Lout 3.30.

git-svn-id: http://svn.savannah.nongnu.org/svn/lout/trunk@29 9365b830-b601-4143-9ba8-b4a8e2c3339c

101 files changed, 8336 insertions, 5577 deletions

diff --git a/README b/README
index fcd6513..ab5095a 100644
--- a/README
+++ b/README
@@ -1,5 +1,5 @@
-THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)
-BASSER LOUT VERSION 3 COPYRIGHT (C) 1994, 2003 Jeffrey H. Kingston
+THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)
+BASSER LOUT VERSION 3 COPYRIGHT (C) 1994, 2004 Jeffrey H. Kingston
 
 Jeffrey H. Kingston
 School of Information Technologies
diff --git a/blurb b/blurb
index 8e92bb3..968979f 100644
--- a/blurb
+++ b/blurb
@@ -1,7 +1,7 @@
 
-         THE LOUT DOCUMENT FORMATTING SYSTEM, VERSION 3.29
+         THE LOUT DOCUMENT FORMATTING SYSTEM, VERSION 3.30
 
-Version 3.29 of the Lout document formatting system is now available
+Version 3.30 of the Lout document formatting system is now available
 (free of charge).  The system reads a high-level description of a
 document similar in style to LaTeX and produces a PostScript, PDF or
 plain text output file.
@@ -21,9 +21,9 @@ project that went back to the beginning.
 Lout is written in highly portable ANSI C.  It is distributed under the
 GNU public license as follows:
 
-   ftp://ftp.it.usyd.edu.au/jeff/lout/lout-3.29.tar.gz
+   ftp://ftp.it.usyd.edu.au/jeff/lout/lout-3.30.tar.gz
 
-In other words, in a gzipped tar file called "lout-3.29.tar.gz" in the
+In other words, in a gzipped tar file called "lout-3.30.tar.gz" in the
 "jeff/lout" subdirectory of the home directory of "ftp ftp.it.usyd.edu.au"
 with login name "ftp" or "anonymous" using any non-empty password.  The
 distribution contains
@@ -44,7 +44,7 @@ distribution contains
 For those who want to browse first, a PostScript version of the User's
 Guide may be found in the same ftp directory:
 
-   ftp://ftp.it.usyd.edu.au/jeff/lout/lout-3.29.user.ps.gz
+   ftp://ftp.it.usyd.edu.au/jeff/lout/lout-3.30.user.ps.gz
 
 Lout was created by Jeffrey H. Kingston (jeff@it.usyd.edu.au) of the
 School of Information Technologies at the University of Sydney.
diff --git a/data/standard.ld b/data/standard.ld
index 92b2376..2b76594 100644
--- a/data/standard.ld
+++ b/data/standard.ld
@@ -565,7 +565,7 @@
     Italian	@Yield { ?? }
     Norwegian   @Yield { Ordforklaringer }
     Polish	@Yield { ?? }
-    Portuguese  @Yield { ?? }
+    Portuguese  @Yield { Gloss{@Char aacute}rio }
     Russian	@Yield { ?? }
     Slovak	@Yield { Vecn{@Char yacute} register }
     Slovenian   @Yield { ?? }
diff --git a/doc/design/README b/doc/design/README
index 8a5c307..4757d95 100644
--- a/doc/design/README
+++ b/doc/design/README
@@ -22,4 +22,4 @@ messages (although changing the paper size might
 produce one or two benign ones).
 
 Jeffrey H. Kingston
-14 August 2003
+27 October 2004
diff --git a/doc/design/outfile.ps b/doc/design/outfile.ps
index bab3694..8bdf85a 100644
--- a/doc/design/outfile.ps
+++ b/doc/design/outfile.ps
@@ -1,6 +1,6 @@
 %!PS-Adobe-3.0
-%%Creator: Basser Lout Version 3.29 (August 2003)
-%%CreationDate: Thu Aug 14 08:17:36 2003
+%%Creator: Basser Lout Version 3.30 (October 2004)
+%%CreationDate: Wed Oct 27 18:36:38 2004
 %%DocumentData: Binary
 %%DocumentNeededResources: (atend)
 %%DocumentSuppliedResources: (atend)
@@ -6679,13 +6679,13 @@ grestore
 2662 3918(f)m 240 fnt4 2823 3910(\))m 2973(\255)s 240 fnt3
 3194 3918(width)m 240 fnt4 3733 3910(\()m 240 fnt3 3817 3918(i)m
 240 fnt4 3892 3910(\))m 
-[ /Dest /LOUT12_1490_s2_4_1 /DEST pdfmark
+[ /Dest /LOUT12_1500_s2_4_1 /DEST pdfmark
 240 fnt3 480 3367(y)m 240 fnt4
 666 3359(=)m 240 fnt3 879 3367(width)m 240 fnt4 1418 3359(\()m
 240 fnt3 1502 3367(d)m 240 fnt4 1688 3359(\))m 1838(\255)s
 240 fnt3 2059 3367(width)m 240 fnt4 2598 3359(\()m 240 fnt3
 2682 3367(g)m 240 fnt4 2808 3359(\))m 
-[ /Dest /LOUT12_1490_s2_4_2 /DEST pdfmark
+[ /Dest /LOUT12_1500_s2_4_2 /DEST pdfmark
 240 fnt3 480 2816(z)m
 240 fnt4 655 2808(=)m 240 fnt3 868 2816(width)m 240 fnt4
 1407 2808(\()m 240 fnt3 1491 2816(b)m 240 fnt4 1617 2808(\))m
@@ -6693,7 +6693,7 @@ grestore
 240 fnt3 2611 2816(e)m 240 fnt4 2722 2808(\))m 2872(\255)s
 240 fnt3 3093 2816(width)m 240 fnt4 3632 2808(\()m 240 fnt3
 3716 2816(h)m 240 fnt4 3843 2808(\))m 
-[ /Dest /LOUT12_1490_s2_4_3 /DEST pdfmark
+[ /Dest /LOUT12_1500_s2_4_3 /DEST pdfmark
 240 fnt1 0 2312(It)m
 224(seems)s 878(clear)s 1420(that)s 240 fnt3 1857 2314(y)m
 240 fnt1 2038 2312(at)m 2289(least)s 2805(must)s 3349(appear)s
@@ -12352,7 +12352,7 @@ grestore
 1668(of)s 1939(Computer)s 2956(Science,)s 3806(The)s 4234(Uni)s 6(v)k 3(ersity)k
 5288(of)s 5559(Sydne)s 3(y)k 15(,)k 6367(Australia)s
 7242(.)s 
-[ /Dest /LOUT12_1490_s7_0_1 /DEST pdfmark
+[ /Dest /LOUT12_1500_s7_0_1 /DEST pdfmark
 0 11716(2.)m 480(Kingston,)s 1492(Jef)s 6(fre)k 3(y)k
 2227(H..)s 2652(A)s 2910(ne)s 6(w)k 3385(approach)s
 4347(to)s 4613(document)s 5645(formatting)s 6646(.)s 6838(T)s 16(ech.)k
@@ -12360,7 +12360,7 @@ grestore
 1177(Department)s 2365(of)s 2636(Computer)s 3653(Science,)s 4503(The)s
 4931(Uni)s 6(v)k 3(ersity)k 5985(of)s 6256(Sydne)s 3(y)k 15(,)k
 7064(Australia)s 7939(.)s 
-[ /Dest /LOUT12_1490_s7_0_2 /DEST pdfmark
+[ /Dest /LOUT12_1500_s7_0_2 /DEST pdfmark
 0 10925(3.)m 480(Kingston,)s 1491(Jef)s 6(fre)k 3(y)k
 2224(H..)s 2647(The)s 3101(Basser)s 3824(Lout)s 4362(Document)s
 5445(F)s 3(ormatter)k 6383(,)s 6516(1991)s 6971(.)s
@@ -12376,7 +12376,7 @@ grestore
 1388(for)s 1726(non-)s 240 fnt3 2154 10063(ftp)m 240 fnt1
 2459 10061(sites.)m 3047(All)s 3407(enquiries)s 4334(to)s 4573(jef)s 6(f@cs.su.oz.au.)k
 
-[ /Dest /LOUT12_1490_s7_0_3 /DEST pdfmark
+[ /Dest /LOUT12_1500_s7_0_3 /DEST pdfmark
 0 9558(4.)m 480(Furuta,)s 1211(Richard,)s 2075(Sco\207eld,)s 2965(Jef)s 6(fre)k 3(y)k 15(,)k
 3710(and)s 4113(Sha)s 3(w)k 15(,)k 4734(Alan.)s
 5363(Document)s 6419(formatting)s 7480(systems:)s 8402(surv)s 3(e)k 3(y)k 15(,)k
@@ -12384,14 +12384,14 @@ grestore
 2554 9272(Computing)m 3673(Surve)s 7(ys)k 240 fnt2 4465 9269(14)m
 240 fnt1 4699 9270(,)m 4806(417\211472)s 5700(\(1982\))s 6327(.)s
 
-[ /Dest /LOUT12_1490_s7_0_4 /DEST pdfmark
+[ /Dest /LOUT12_1500_s7_0_4 /DEST pdfmark
 0 8765(5.)m 480(K)s 6(ernighan,)k 1645(Brian)s 2287(W)s 22(.)k
 2649(and)s 3107(Cherry)s 15(,)k 3917(Lorinda)s 4789(L..)s
 5213(A)s 5497(system)s 6275(for)s 6667(typesetting)s 7824(mathematics)s
 9022(.)s 240 fnt3 480 8479(Communications)m 2158(of)s 2439(the)s
 2784(A)s 7(CM)k 240 fnt2 3351 8476(18)m 240 fnt1
 3585 8477(,)m 3692(182\211193)s 4576(\(1975\))s 5203(.)s 
-[ /Dest /LOUT12_1490_s7_0_5 /DEST pdfmark
+[ /Dest /LOUT12_1500_s7_0_5 /DEST pdfmark
 0 7977(6.)m
 480(Kingston,)s 1488(Jef)s 6(fre)k 3(y)k 2218(H..)s
 2638(Fig)s 3033(\211)s 3236(a)s 3425(Lout)s 3961(package)s
@@ -12401,7 +12401,7 @@ grestore
 3653(Science,)s 4503(The)s 4931(Uni)s 6(v)k 3(ersity)k
 5985(of)s 6256(Sydne)s 3(y)k 15(,)k 7064(Australia)s
 7939(.)s 
-[ /Dest /LOUT12_1490_s7_0_6 /DEST pdfmark
+[ /Dest /LOUT12_1500_s7_0_6 /DEST pdfmark
 0 7184(7.)m 480(Reid,)s 1042(Brian)s 1633(K..)s
 2033(A)s 2266(High-)s 2813(Le)s 6(v)k 3(el)k
 3406(Approach)s 4410(to)s 4652(Computer)s 5672(Document)s 6732(Production)s
@@ -12412,19 +12412,19 @@ grestore
 7527(\(POPL\),)s 8377(Las)s 8780(V)s 26(e)k 8999(-)s
 480 6610(gas)m 868(NV)s 240 fnt1 1192 6608(,)m 1299(pages)s
 1895(24\21131)s 2470(,)s 2577(1980)s 3052(.)s 
-[ /Dest /LOUT12_1490_s7_0_7 /DEST pdfmark
+[ /Dest /LOUT12_1500_s7_0_7 /DEST pdfmark
 0 6103(8.)m
 480(Joseph)s 1207(F)s 19(.)k 1443(Ossanna.)s 2436(Nrof)s 6(f/T)k 8(rof)k 6(f)k
 3605(User')s 13(s)k 4284(Manual)s 5010(.)s 5193(T)s 16(ech.)k
 5777(Rep.)s 6285(54)s 6597(\(1976\))s 7224(,)s 7349(Bell)s
 7821(Laboratories)s 9019(,)s 480 5815(Murray)m 1251(Hill,)s 1729(NJ)s
 2051(07974)s 2645(.)s 
-[ /Dest /LOUT12_1490_s7_0_8 /DEST pdfmark
+[ /Dest /LOUT12_1500_s7_0_8 /DEST pdfmark
 0 5310(9.)m 480(Knuth,)s 1186(Donald)s
 1949(E..)s 240 fnt3 2319 5312(The)m 2731(T)s 2882 5264(E)m
 3033 5312(XBook)m 240 fnt1 3675 5310(.)m 3839(Addison-W)s 19(esle)k 3(y)k
 5419(,)s 5526(1984)s 6000(.)s 
-[ /Dest /LOUT12_1490_s7_0_9 /DEST pdfmark
+[ /Dest /LOUT12_1500_s7_0_9 /DEST pdfmark
 0 4807(10.)m 480(Kingston,)s
 1485(Jef)s 6(fre)k 3(y)k 2212(H..)s 2629(Eq)s
 2973(\211)s 3173(a)s 3359(Lout)s 3892(package)s 4752(for)s
@@ -12435,7 +12435,7 @@ grestore
 8147(Australia)s 9022(.)s 480 4231(\(Contains)m 1461(an)s 1744(appendix)s
 2677(describing)s 3726(the)s 4074(P)s 3(as)k 4454(P)s 3(ascal)k
 5116(formatter)s 13(.\))k 
-[ /Dest /LOUT12_1490_s7_0_10 /DEST pdfmark
+[ /Dest /LOUT12_1500_s7_0_10 /DEST pdfmark
 0 3728(11.)m 480(Kingston,)s 1478(Jef)s 6(fre)k 3(y)k
 2198(H..)s 2608(A)s 2851(be)s 3(ginners')k 3903(guide)s
 4504(to)s 4756(Lout)s 5208(.)s 5385(T)s 16(ech.)k
@@ -12444,7 +12444,7 @@ grestore
 2306(Science,)s 3156(The)s 3584(Uni)s 6(v)k 3(ersity)k
 4638(of)s 4909(Sydne)s 3(y)k 15(,)k 5717(Australia)s
 6592(.)s 
-[ /Dest /LOUT12_1490_s7_0_11 /DEST pdfmark
+[ /Dest /LOUT12_1500_s7_0_11 /DEST pdfmark
 0 2937(12.)m 480(Kingston,)s 1475(Jef)s 6(fre)k 3(y)k
 2193(H..)s 2600(T)s 19(ab)k 3017(\211)s 3207(a)s
 3384(Lout)s 3907(package)s 4757(for)s 5106(formatting)s 6177(tables)s
@@ -12453,13 +12453,13 @@ grestore
 2636(Computer)s 3653(Science,)s 4503(The)s 4931(Uni)s 6(v)k 3(ersity)k
 5985(of)s 6256(Sydne)s 3(y)k 15(,)k 7064(Australia)s
 7939(.)s 
-[ /Dest /LOUT12_1490_s7_0_12 /DEST pdfmark
+[ /Dest /LOUT12_1500_s7_0_12 /DEST pdfmark
 0 2146(13.)m 480(Brooks,)s 1279(K)s 6(enneth)k
 2141(P)s 26(..)k 2472(Lilac:)s 3068(a)s 3234(tw)s 2(o-vie)k 6(w)k
 4183(document)s 5187(editor)s 5744(.)s 240 fnt3 5908 2148(IEEE)m
 6490(Computer)s 240 fnt1 7453 2146(,)m 7560(7\21119)s 8091(\(1991\))s
 8718(.)s 
-[ /Dest /LOUT12_1490_s7_0_13 /DEST pdfmark
+[ /Dest /LOUT12_1500_s7_0_13 /DEST pdfmark
 
 grestore
 0 0 0 0 240 288 60 1417 -15423 LoutGr2
diff --git a/doc/expert/README b/doc/expert/README
index ad6f5d3..98a66c8 100644
--- a/doc/expert/README
+++ b/doc/expert/README
@@ -20,4 +20,4 @@ which just warns about a figure that is not able to be placed on
 the first possible page, and so has to appear on the next page.
 
 Jeffrey H. Kingston
-14 August 2003
+27 October 2004
diff --git a/doc/expert/all b/doc/expert/all
index d09716f..c5f48c4 100644
--- a/doc/expert/all
+++ b/doc/expert/all
@@ -11,9 +11,9 @@ Lout
 
 Document Formatting System  }
    @Author { Jeffrey H. Kingston }
-   @Edition { Version 3.29
-August, 2003}
-   @Publisher { @I { @CopyRight Copyright 1991, 2003, Jeffrey
+   @Edition { Version 3.30
+Ocrober, 2004 }
+   @Publisher { @I { @CopyRight Copyright 1991, 2004, Jeffrey
 H. Kingston, School of Information Technologies, The University
 of Sydney 2006, Australia.} }
    @InitialLanguage { English }
diff --git a/doc/expert/det_lexi b/doc/expert/det_lexi
index 57ab1f1..502a36d 100644
--- a/doc/expert/det_lexi
+++ b/doc/expert/det_lexi
@@ -120,11 +120,12 @@ do so.  The complete list of predefined identifiers is
   @JL "@HExpand"
   @JL "@High"
   @JL "@HLimited"
+  @JL "@HMirror"
   @JL "@HScale"
   @JL "@HShift"
-  @JL "@HSpan"
 } |4.4cx {
-      "@Include"
+      "@HSpan"
+  @JL "@Include"
   @JL "@IncludeGraphic"
   @JL "@IncludeGraphicRepeated"
   @JL "@Insert"
@@ -186,6 +187,7 @@ do so.  The complete list of predefined identifiers is
   @JL "@Verbatim"
   @JL "@VExpand"
   @JL "@VLimited"
+  @JL "@VMirror"
   @JL "@VScale"
   @JL "@VShift"
   @JL "@VSpan"
diff --git a/doc/expert/mydefs b/doc/expert/mydefs
index dc08813..209c6f7 100644
--- a/doc/expert/mydefs
+++ b/doc/expert/mydefs
@@ -41,6 +41,7 @@
    def @@HContract            { @Code "@HContract"            }
    def @@HExpand              { @Code "@HExpand"              }
    def @@HLimited             { @Code "@HLimited"             }
+   def @@HMirror              { @Code "@HMirror"              }
    def @@High                 { @Code "@High"                 }
    def @@HScale               { @Code "@HScale"               }
    def @@HShift               { @Code "@HShift"               }
@@ -102,6 +103,7 @@
    def @@VExpand              { @Code "@VExpand"              }
    def @@Verbatim             { @Code "@Verbatim"             }
    def @@VLimited             { @Code "@VLimited"             }
+   def @@VMirror              { @Code "@VMirror"              }
    def @@VScale               { @Code "@VScale"               }
    def @@VShift               { @Code "@VShift"               }
    def @@VSpan                { @Code "@VSpan"                }
diff --git a/doc/expert/outfile.ps b/doc/expert/outfile.ps
index 9558261..d069ec6 100644
--- a/doc/expert/outfile.ps
+++ b/doc/expert/outfile.ps
@@ -1,6 +1,6 @@
 %!PS-Adobe-3.0
-%%Creator: Basser Lout Version 3.29 (August 2003)
-%%CreationDate: Thu Aug 14 08:24:21 2003
+%%Creator: Basser Lout Version 3.30 (October 2004)
+%%CreationDate: Wed Oct 27 18:33:09 2004
 %%DocumentData: Binary
 %%DocumentNeededResources: (atend)
 %%DocumentSuppliedResources: (atend)
@@ -1583,9 +1583,9 @@ grestore
 2215(Exper)s -24(t')k 30(s)k 4518(Guide)s 6258(to)s
 6902(the)s 3956 10685(Lout)m 616 9245(Document)m 3500(F)s 18(or)k -15(matting)k
 6490(System)s 240 fnt2 3544 6059(Jeffre)m 4(y)k 4321(H.)s
-4606(Kingston)s 3884 4395(V)m 19(ersion)k 4727(3.29)s 3846 4107(A)m 7(ugust,)k
-4696(2003)s 240 fnt4 0 342(\343)m 240 fnt3 241 340(Cop)m 7(yr)k -3(ight)k
-1345(1991,)s 1991(2003,)s 2638(Jeffre)s 4(y)k 3438(H.)s
+4606(Kingston)s 3883 4395(V)m 19(ersion)k 4726(3.30)s 3789 4107(Ocrober)m 12(,)k
+4752(2004)s 240 fnt4 0 342(\343)m 240 fnt3 241 340(Cop)m 7(yr)k -3(ight)k
+1345(1991,)s 1991(2004,)s 2638(Jeffre)s 4(y)k 3438(H.)s
 3726(Kingston,)s 4771(School)s 5587(of)s 5882(Inf)s 7(or)k -6(mation)k
 7143(T)s 28(echnologies)k 3(,)k 8649(The)s 0 52(Univ)m 6(ersity)k
 1134(of)s 1432(Sydne)s 4(y)k 2317(2006,)s 2966(A)s 7(ustr)k 2(alia.)k
@@ -1663,11 +1663,11 @@ grestore
 
 [ /Rect [8510 9328 8614 9493] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTkingston1995lout_program /ANN pdfmark
 8510(3)s 8614(])s 8722(and)s 0 9043(de)m 6(v)k 3(eloped)k
-1042(continuously)s 2342(since)s 2898(then.)s 3483(This)s 3968(manual)s
-4736(w)s 2(as)k 5166(rendered)s 6069(into)s 6503(PostScript)s
+1041(continuously)s 2341(since)s 2897(then.)s 3482(This)s 3966(manual)s
+4734(w)s 2(as)k 5164(rendered)s 6067(into)s 6500(PostScript)s
 
-[ /Dest /LOUT19_4244_preface_1 /DEST pdfmark
-7554(by)s 7857(V)s 26(ersion)k 8655(3.29)s 0 8755(of)m
+[ /Dest /LOUT19_4255_preface_1 /DEST pdfmark
+7551(by)s 7854(V)s 26(ersion)k 8651(3.30)s 0 8755(of)m
 271(the)s 619(Basser)s 1316(Lout)s 1828(interpreter)s 9(,)k
 2919(using)s 3491(the)s 3839(symbols)s 4688(described)s 5662(in)s
 5905(the)s 6253(User')s 13(s)k 6914(Guide)s 7555([)s
@@ -1724,7 +1724,7 @@ gsave
 grestore
 480 fnt5 0 12955(Contents)m
 
-[ /Dest /LOUT20_373_all_1 /DEST pdfmark
+[ /Dest /LOUT20_415_all_1 /DEST pdfmark
 
 [ /Rect [0 11893 8346 12147] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTpreface /ANN pdfmark
 240 fnt5 0 11982(Pr)m 4(eface)k 240 fnt1 1018 11983(..)m
@@ -1902,8 +1902,8 @@ grestore
 4114(..)s 4458(..)s 4802(..)s 5146(..)s 5490(..)s
 5834(..)s 6178(..)s 6522(..)s 6866(..)s 7210(..)s
 7554(..)s 7898(..)s 8242(..)s 
-[ /Rect [8832 3889 9066 4051] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTbreak /ANN pdfmark
-8832(42)s 
+[ /Rect [8842 3886 9066 4051] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTbreak /ANN pdfmark
+8842(43)s 
 [ /Rect [720 3454 8346 3709] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTspace /ANN pdfmark
 720 3544(3.5.)m
 1184(@Space)s 2394(..)s 2738(..)s 3082(..)s 3426(..)s
@@ -1919,13 +1919,13 @@ grestore
 7898(..)s 8242(..)s 
 [ /Rect [8840 3196 9066 3364] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTyunit /ANN pdfmark
 8840(45)s 
-[ /Rect [720 2764 8346 3019] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTcolour /ANN pdfmark
+[ /Rect [720 2764 8346 3018] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTcolour /ANN pdfmark
 720 2854(3.7.)m 1184(@SetColour)s
 2435(and)s 2839(@SetColor)s 4458(..)s 4802(..)s 5146(..)s
 5490(..)s 5834(..)s 6178(..)s 6522(..)s 6866(..)s
 7210(..)s 7554(..)s 7898(..)s 8242(..)s 
-[ /Rect [8840 2851 9066 3019] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTcolour /ANN pdfmark
-8840(45)s
+[ /Rect [8833 2851 9066 3018] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTcolour /ANN pdfmark
+8833(46)s
 
 [ /Rect [720 2419 8346 2671] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTtexture /ANN pdfmark
 720 2509(3.8.)m 1184(@SetT)s 16(e)k 3(xture)k 2738(..)s
@@ -1948,16 +1948,16 @@ grestore
 2525(and)s 2929(@CurrLang)s 4458(..)s 4802(..)s 5146(..)s
 5490(..)s 5834(..)s 6178(..)s 6522(..)s 6866(..)s
 7210(..)s 7554(..)s 7898(..)s 8242(..)s 
-[ /Rect [8839 1816 9066 1981] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTlanguage /ANN pdfmark
-8839(48)s
+[ /Rect [8835 1814 9066 1981] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTlanguage /ANN pdfmark
+8835(49)s
 
-[ /Rect [720 1384 8346 1637] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTonerow /ANN pdfmark
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 grestore
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 3251(little)s 3747(more)s 4298(complicated)s 5528(than)s 6001(rectangles:)s
 240 fnt6 7079 382(objects.)m 240 fnt1 7914 380(An)m 8268(object)s
 
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-[ /Dest /LOUT19_4244_pri_obje_2 /DEST pdfmark
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+[ /Dest /LOUT19_4255_pri_obje_3 /DEST pdfmark
 240 fnt1 4112 92(protruding)m 5186(abo)s 3(v)k 3(e)k
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 0 LoutMargSet
 grestore
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+[ /Dest /LOUT19_4255_pri_obje_4 /DEST pdfmark
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@@ -2921,7 +2929,7 @@ grestore
 end end restore
 grestore
 
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-[ /Dest /LOUT19_4244_pri_defi_1 /DEST pdfmark
+[ /Dest /LOUT19_4255_pri_defi_1 /DEST pdfmark
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 250(the)s 598(author)s 1269(did)s 1633(earlier)s 2301(in)s
 2544(this)s 2940(paragraph.)s 480 8026(A)m 240 fnt6 706 8028(symbol)m
 
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-[ /Dest /LOUT19_4244_pri_defi_3 /DEST pdfmark
+[ /Dest /LOUT19_4255_pri_defi_3 /DEST pdfmark
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 240 fnt6 4226 7164(in)m 9(vok)k 2(e)k 
-[ /Dest /LOUT19_4244_pri_defi_4 /DEST pdfmark
+[ /Dest /LOUT19_4255_pri_defi_4 /DEST pdfmark
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 1963(that)s 220 fnt2 2398 2202(@Super)m 240 fnt1 3283 2205(has)m
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@@ -3311,7 +3319,7 @@ grestore
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+[ /Dest /LOUT19_4255_pri_defi_6 /DEST pdfmark
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@@ -3708,7 +3716,7 @@ grestore
 [ /Dest /LOUTcross /DEST pdfmark
 240 fnt1 480 1898(A)m
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@@ -3725,14 +3733,14 @@ grestore
 2002(page)s 2510(63,)s 2857(and)s 3261(all)s 3554(the)s
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 3169(reference)s 4109(and)s 4511(ending)s 5213(at)s 5443(the)s
 5788(top)s 6145(of)s 6413(the)s 6759(tar)s 4(get)k
 
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 5032(o)s 3(v)k 3(ercome)k 6017(these)s 6557(obstacles,)s
 7532(is)s 7734(the)s 240 fnt6 8074 12545(galle)m 7(y)k
 
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 3288(used)s 3775(in)s 4008(manual)s 4757(typesetting\).)s 6039(A)s
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 780(create)s 1405(a)s 1571(g)s 1(alle)k 3(y)k 15(,)k
 2243(\207rst)s 2674(de\207ne)s 3315(a)s 3481(symbol)s 4241(with)s
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-[ /Dest /LOUT19_4244_pri_gall_2 /DEST pdfmark
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 240 fnt1
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 3196 12255(which)m 3827(is)s 4027(the)s 240 fnt6 4364 12257(tar)m 8(g)k 2(et)k
 240 fnt1 4979 12255(of)m 5239(a)s 5395(g)s 1(alle)k 3(y)k 15(,)k
 
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 1726(it)s 1916(in)s 9(v)k 4(ok)k 2(es,)k
 2752(is)s 2961(called)s 3587(a)s 240 fnt6 3752 10020(r)m 8(eceptive)k
 
-[ /Dest /LOUT19_4244_pri_gall_4 /DEST pdfmark
+[ /Dest /LOUT19_4255_pri_gall_4 /DEST pdfmark
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 240 fnt1 1203 8204(g)m 1(alle)k 3(y)k 15(,)k
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 2985(of)s 3249(a)s 3408(sequence)s 4334(of)s 240 fnt6
 4598 10657(te)m 4(xtual)k 5297(units)s 240 fnt1 5757 10655(,)m
 
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+[ /Dest /LOUT19_4255_det_lexi_1 /DEST pdfmark
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 240 fnt1 3565 10367(.)m 3729(Each)s 4264(is)s 4474(a)s
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 240 fnt1 6914 10367(chosen)m 7636(from:)s 
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-[ /Dest /LOUT19_4244_det_lexi_6 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_6 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_det_lexi_7 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_7 /DEST pdfmark
 480 9829(letter)m 220 fnt2
 1934 9826(@ab-zAB-Z_)m 240 fnt1 480 9541(white)m 1067(space)s 240 fnt6
 1934 9543(space)m 2592(formfeed)s 3568(tab)s 3988(ne)s 3(wline)k
@@ -5085,11 +5093,11 @@ grestore
 698 6612(white)m 1256(space)s 240 fnt1 1841 6610(is)m 2038(a)s
 2191(sequence)s 3111(of)s 3369(one)s 3758(or)s 4005(more)s
 4539(white)s 5113(space)s 5687(characters.)s 
-[ /Dest /LOUT19_4244_det_lexi_8 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_8 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_det_lexi_9 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_9 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_det_lexi_10 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_10 /DEST pdfmark
 6805(Lout)s 7304(treats)s
 7858(the)s 8193(formfeed)s 0 6322(character)m 931(e)s 3(xactly)k
 1668(lik)s 2(e)k 2076(the)s 2420(space)s 3003(character;)s
@@ -5099,7 +5107,7 @@ grestore
 240 fnt1 1635 5660(is)m 1844(a)s 2009(sequence)s 2941(of)s
 3211(one)s 3612(or)s 3870(more)s 4415(`other')s 5096(characters)s
 6113(which)s 
-[ /Dest /LOUT19_4244_det_lexi_11 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_11 /DEST pdfmark
 6754(is)s 6963(the)s 7310(name)s 7883(of)s
 8153(a)s 8317(symbol.)s 0 5372(F)m 3(or)k 417(e)s 3(xample,)k
 220 fnt2 1360 5369({)m 240 fnt1 1512 5372(and)m 220 fnt2
@@ -5127,7 +5135,7 @@ grestore
 3192(of)s 3488(one)s 3915(or)s 4199(more)s 4772(letters)s
 5430(which)s 6097(is)s 6332(the)s 6705(name)s 7304(of)s
 7600(a)s 
-[ /Dest /LOUT19_4244_det_lexi_12 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_12 /DEST pdfmark
 7791(symbol.)s 8685(It)s 8916(is)s 0 1033(con)m 9(v)k 3(entional)k
 1308(b)s 4(ut)k 1700(not)s 2096(essential)s 3003(to)s
 3272(be)s 3(gin)k 3888(identi\207ers)s 4924(with)s 220 fnt2
@@ -5208,18 +5216,18 @@ grestore
 480 6510(@FilterOut)m 480 6222(@F)m 6(ont)k 480 5934(@F)m 6(orceGalle)k 4(y)k
 480 5646(@Galle)m 4(y)k 480 5358(@Gr)m 2(aphic)k 480 5070(@HAdjust)m
 480 4782(@HContr)m 2(act)k 480 4494(@HCo)m 3(v)k 5(er)k
-480 4206(@HExpand)m 480 3918(@High)m 480 3630(@HLimited)m 480 3342(@HScale)m 480 3054(@HShift)m
-480 2766(@HSpan)m 3361 12704(@Include)m 3361 12416(@IncludeGr)m 2(aphic)k 3361 12128(@IncludeGr)m 2(aphicRepeated)k
-3361 11840(@Inser)m -8(t)k 3361 11552(@K)m 8(er)k -5(nShr)k -3(ink)k
-3361 11264(@K)m 8(e)k 4(y)k 3361 10976(@Language)m 3361 10688(@LClos)m
-3361 10400(@LEn)m 4(v)k 3361 10112(@LInput)m 3361 9824(@L)m 24(Vis)k
-3361 9536(@LUse)m 3361 9248(@LinkSource)m 3361 8814(@LinkDest)m 3361 8526(@Meld)m 3361 8238(@Merge)m
-3361 7950(@Min)m 2(us)k 3361 7662(@Moment)m 3361 7374(@Ne)m 6(xt)k
-3361 7086(@NotRe)m 6(v)k 5(ealed)k 3361 6798(@Null)m 3361 6510(@OneCol)m
-3361 6222(@OneOf)m 3361 5934(@OneRo)m 3(w)k 3361 5646(@Open)m 3361 5358(@Optimiz)m 3(e)k
-3361 5070(@Outline)m 3361 4782(@P)m 26(Adjust)k 3361 4494(@P)m 8(ageLabel)k
-3361 4206(@PlainGr)m 2(aphic)k 3361 3918(@Plus)m 3361 3630(@PrependGr)m 2(aphic)k
-3361 3342(@Ra)m 4(wV)k 17(erbatim)k 3361 3054(@Rotate)m 6245 12704(@Rump)m
+480 4206(@HExpand)m 480 3918(@High)m 480 3630(@HLimited)m 480 3342(@HMirror)m 480 3054(@HScale)m
+480 2766(@HShift)m 3361 12704(@HSpan)m 3361 12416(@Include)m 3361 12128(@IncludeGr)m 2(aphic)k
+3361 11840(@IncludeGr)m 2(aphicRepeated)k 3361 11552(@Inser)m -8(t)k 3361 11264(@K)m 8(er)k -5(nShr)k -3(ink)k
+3361 10976(@K)m 8(e)k 4(y)k 3361 10688(@Language)m 3361 10400(@LClos)m
+3361 10112(@LEn)m 4(v)k 3361 9824(@LInput)m 3361 9536(@L)m 24(Vis)k
+3361 9248(@LUse)m 3361 8814(@LinkSource)m 3361 8526(@LinkDest)m 3361 8238(@Meld)m 3361 7950(@Merge)m
+3361 7662(@Min)m 2(us)k 3361 7374(@Moment)m 3361 7086(@Ne)m 6(xt)k
+3361 6798(@NotRe)m 6(v)k 5(ealed)k 3361 6510(@Null)m 3361 6222(@OneCol)m
+3361 5934(@OneOf)m 3361 5646(@OneRo)m 3(w)k 3361 5358(@Open)m 3361 5070(@Optimiz)m 3(e)k
+3361 4782(@Outline)m 3361 4494(@P)m 26(Adjust)k 3361 4206(@P)m 8(ageLabel)k
+3361 3918(@PlainGr)m 2(aphic)k 3361 3630(@Plus)m 3361 3342(@PrependGr)m 2(aphic)k
+3361 3054(@Ra)m 4(wV)k 17(erbatim)k 3361 2766(@Rotate)m 6245 12704(@Rump)m
 6245 12416(@Scale)m 6245 12128(@SetColor)m 6245 11840(@SetColour)m 6245 11552(@SetHeaderComponent)m 6245 11264(@Space)m
 6245 10976(@Star)m -8(tHSpan)k 6245 10688(@Star)m -8(tHVSpan)k 6245 10400(@Star)m -8(tVSpan)k
 6245 10112(@SysDatabase)m 6245 9824(@SysInclude)m 6245 9536(@SysIncludeGr)m 2(aphic)k gsave
@@ -5232,50 +5240,50 @@ grestore
 6245 8238(@T)m 26(agged)k 6245 7950(@T)m 26(arget)k 6245 7662(@T)m 26(e)k 6(xture)k
 6245 7374(@Under)m -3(line)k 6245 7086(@Use)m 6245 6798(@URLLink)m 6245 6510(@V)m 17(Adjust)k
 6245 6222(@VContr)m 2(act)k 6245 5934(@VCo)m 3(v)k 5(er)k
-6245 5646(@V)m 17(erbatim)k 6245 5358(@VExpand)m 6245 5070(@VLimited)m 6245 4782(@VScale)m
-6245 4494(@VShift)m 6245 4206(@VSpan)m 6245 3918(@Wide)m 6245 3630(@Y)m 4(ield)k
-6245 3342(@YUnit)m 6245 3054(@ZUnit)m 240 fnt1 0 2270(plus)m 498(the)s
+6245 5646(@V)m 17(erbatim)k 6245 5358(@VExpand)m 6245 5070(@VLimited)m 6245 4782(@VMirror)m
+6245 4494(@VScale)m 6245 4206(@VShift)m 6245 3918(@VSpan)m 6245 3630(@Wide)m 6245 3342(@Y)m 4(ield)k
+6245 3054(@YUnit)m 6245 2766(@ZUnit)m 240 fnt1 0 2311(plus)m 498(the)s
 894(names)s 1605(of)s 1924(the)s 2321(parameters)s 3467(of)s
-220 fnt2 3786 2267(@Moment)m 240 fnt1 4798 2270(.)m 5011(The)s
-5487(symbols)s 220 fnt2 6385 2267(@LClos)m 240 fnt1 7161 2270(,)m
-220 fnt2 7316 2267(@LEn)m 4(v)k 240 fnt1 8034 2270(,)m
+220 fnt2 3786 2308(@Moment)m 240 fnt1 4798 2311(.)m 5011(The)s
+5487(symbols)s 220 fnt2 6385 2308(@LClos)m 240 fnt1 7161 2311(,)m
+220 fnt2 7316 2308(@LEn)m 4(v)k 240 fnt1 8034 2311(,)m
 
-[ /Dest /LOUT19_4244_det_lexi_13 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_13 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_det_lexi_14 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_14 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_det_lexi_15 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_15 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_det_lexi_16 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_16 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_det_lexi_17 /DEST pdfmark
-220 fnt2 8190 2267(@LInput)m 240 fnt1 9019 2270(,)m 220 fnt2
-0 1979(@L)m 24(Vis)k 240 fnt1 722 1982(and)m 220 fnt2
-1170 1979(@LUse)m 240 fnt1 2001 1982(appear)m 2742(in)s 3029(cross)s
+[ /Dest /LOUT19_4255_det_lexi_17 /DEST pdfmark
+220 fnt2 8190 2308(@LInput)m 240 fnt1 9019 2311(,)m 220 fnt2
+0 2020(@L)m 24(Vis)k 240 fnt1 722 2023(and)m 220 fnt2
+1170 2020(@LUse)m 240 fnt1 2001 2023(appear)m 2742(in)s 3029(cross)s
 3615(reference)s 4602(databases)s 5613(generated)s 6644(by)s 6982(Lout)s
-7538(and)s 7986(are)s 8377(not)s 8788(for)s 0 1694(use)m
-375(else)s 6(where.)k 480 1320(A)m 728(sequence)s 1679(of)s
+7538(and)s 7986(are)s 8377(not)s 8788(for)s 0 1735(use)m
+375(else)s 6(where.)k 480 1361(A)m 728(sequence)s 1679(of)s
 1968(characters)s 3004(which)s 3664(is)s 3892(neither)s 4633(a)s
 4817(white)s 5422(space,)s 6078(an)s 6379(identi\207er)s 9(,)k
 7357(nor)s 7754(a)s 7938(delimiter)s 9(,)k 8916(is)s
-0 1032(by)m 304(def)s 2(ault)k 1036(a)s 240 fnt6
-1213 1034(liter)m 3(al)k 1864(wor)s 8(d)k 240 fnt1
-2355 1032(,)m 2473(which)s 3126(means)s 3799(that)s 4227(it)s
+0 1073(by)m 304(def)s 2(ault)k 1036(a)s 240 fnt6
+1213 1075(liter)m 3(al)k 1864(wor)s 8(d)k 240 fnt1
+2355 1073(,)m 2473(which)s 3126(means)s 3799(that)s 4227(it)s
 4430(will)s 
-[ /Dest /LOUT19_4244_det_lexi_18 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_18 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_det_lexi_19 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_19 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_det_lexi_20 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_20 /DEST pdfmark
 4867(pass)s 5341(through)s 6154(Lout)s 6677(unchanged.)s
-7890(An)s 8251(arbitrary)s 0 744(sequence)m 926(of)s 1190(characters)s
+7890(An)s 8251(arbitrary)s 0 785(sequence)m 926(of)s 1190(characters)s
 2201(enclosed)s 3089(in)s 3325(double)s 4026(quotes,)s 4751(for)s
-5082(e)s 3(xample)k 220 fnt2 5938 741("{  }",)m 240 fnt1
-6457 744(is)m 6660(also)s 7091(a)s 7250(literal)s 7853(w)s 2(ord.)k
-8499(Space)s 0 456(characters)m 1005(may)s 1458(be)s 1726(included,)s
+5082(e)s 3(xample)k 220 fnt2 5938 782("{  }",)m 240 fnt1
+6457 785(is)m 6660(also)s 7091(a)s 7250(literal)s 7853(w)s 2(ord.)k
+8499(Space)s 0 497(characters)m 1005(may)s 1458(be)s 1726(included,)s
 2644(b)s 4(ut)k 2992(not)s 3345(tabs)s 3767(or)s
 4013(ne)s 6(wlines.)k 5008(There)s 5607(are)s 5941(special)s
-6645(character)s 7566(sequences,)s 8629(used)s 0 168(only)m 480(between)s
+6645(character)s 7566(sequences,)s 8629(used)s 0 209(only)m 480(between)s
 1334(quotes,)s 2066(for)s 2404(obtaining)s 3361(otherwise)s 4346(inaccessible)s
 5556(characters:)s 
 grestore
@@ -5344,7 +5352,7 @@ grestore
 220 fnt2 1612 11762("\\"@PP\\"")m 240 fnt1 2606 11765(produces)m 220 fnt2
 3521 11762("@PP")m 240 fnt1 4177 11765(.)m 480 11391(When)m 1106(the)s
 1451(comment)s 2398(character)s 
-[ /Dest /LOUT19_4244_det_lexi_21 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_21 /DEST pdfmark
 220 fnt2 3328 11388(#)m 240 fnt1
 3502 11391(is)m 3709(encountered,)s 4982(e)s 6(v)k 3(erything)k
 6045(from)s 6566(that)s 6981(point)s 7530(to)s 7765(the)s
@@ -5355,7 +5363,7 @@ grestore
 240 fnt1 0 9819(for)m 338(temporarily)s 1506(deleting)s 2329(parts)s
 2844(of)s 3115(the)s 3463(document,)s 4514(and)s 4918(so)s
 5184(on.)s 240 fnt6 480 9447(Macr)m 10(os)k 
-[ /Dest /LOUT19_4244_det_lexi_22 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_lexi_22 /DEST pdfmark
 240 fnt1
 1268 9445(pro)m 3(vide)k 2064(a)s 2242(means)s 2916(of)s
 3199(de\207ning)s 4049(symbols)s 4910(which)s 5564(stand)s 6139(for)s
@@ -5413,9 +5421,9 @@ grestore
 6496(ha)s 4(v)k 3(e)k 6989(an)s 3(y)k
 7377(number)s 8159(of)s 240 fnt6 8421 3555(named)m 0 3267(par)m 3(ameter)k 2(s)k
 240 fnt1 1080 3265(:)m 
-[ /Dest /LOUT19_4244_det_name_1 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_name_1 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_det_name_2 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_name_2 /DEST pdfmark
 220 fnt2 480 2768(def @Chapter)m 480 2480(    named @T)m 26(ag {})k
 480 2192(    named @Title {})m 480 1904(    r)m -3(ight x)k 480 1616({)m 480 1328(    ...)m
 480 1040(})m 240 fnt1 0 546(Their)m 577(de\207nitions)s 1639(appear)s
@@ -5424,7 +5432,7 @@ grestore
 7517(each)s 8013(is)s 8224(follo)s 6(wed)k 0 258(by)m
 293(a)s 240 fnt6 457 260(default)m 1183(value)s 240 fnt1
 1753 258(between)m 
-[ /Dest /LOUT19_4244_det_name_3 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_name_3 /DEST pdfmark
 2605(braces.)s 3377(When)s 220 fnt2 4004 255(@Chapter)m
 240 fnt1 5066 258(is)m 5274(in)s 9(v)k 4(ok)k 2(ed,)k
 6136(its)s 6411(named)s 7105(parameters)s 8201(are)s 8546(gi)s 6(v)k 3(en)k
@@ -5511,7 +5519,7 @@ grestore
 8405(def)s 2(ault)k 0 8956(v)m 6(alue)k 568(as)s
 818(just)s 1223(described.)s 480 8582(A)m 719(named)s 220 fnt2
 1424 8579(@T)m 26(ag)k 240 fnt1 2057 8582(parameter)m 
-[ /Dest /LOUT19_4244_det_name_4 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_name_4 /DEST pdfmark
 3080(does)s
 3580(not)s 3955(tak)s 2(e)k 4417(its)s 4702(def)s 2(ault)k
 5433(v)s 6(alue)k 6010(from)s 6544(the)s 6901(de\207nition;)s
@@ -5630,7 +5638,7 @@ grestore
 [ /Dest /LOUTvisibility /DEST pdfmark
 240 fnt1 480 11359(A)m 710(de\207nition)s 1684(may)s 2150(contain)s
 
-[ /Dest /LOUT19_4244_det_visi_1 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_visi_1 /DEST pdfmark
 2911(other)s 3462(de\207nitions)s 4523(at)s 4755(the)s 5103(be)s 3(ginning)k
 6111(of)s 6382(its)s 6658(body:)s 220 fnt2 480 10858(def @NineSquare)m
 480 10570(   r)m -3(ight x)k 480 10282({)m 480 9994(   def @Three { x |0.2i x |0.2i x })m 480 9418(   @Three /0.2i @Three /0.2i @Three)m
@@ -5739,9 +5747,9 @@ grestore
 7877(and)s 8270(simplest)s 0 2288(of)m 267(these)s 810(features)s
 1611(is)s 1817(the)s 240 fnt6 2161 2290(body)m 2678(par)s 3(ameter)k
 240 fnt1 3677 2288(,)m 
-[ /Dest /LOUT19_4244_det_visi_2 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_visi_2 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_det_visi_3 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_visi_3 /DEST pdfmark
 3780(an)s 4059(alternati)s 6(v)k 3(e)k
 5108(form)s 5628(of)s 5895(right)s 6401(parameter)s 13(.)k
 7502(The)s 7926(Eq)s 8245(equation)s 0 2000(formatting)m 1053(package)s
@@ -5821,7 +5829,7 @@ grestore
 220 fnt2 274 9258(@Eq)m 240 fnt1 815 9261(in)m 1061(an)s
 220 fnt2 1347 9258(e)m 6(xpor)k -8(t)k 240 fnt1
 2018 9261(clause,)m 
-[ /Dest /LOUT19_4244_det_visi_4 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_visi_4 /DEST pdfmark
 2725(preceding)s 3724(the)s 4075(de\207nition)s 5052(as)s
 5305(sho)s 6(wn.)k 6092(Only)s 6628(e)s 3(xported)k
 7523(symbols)s 8375(may)s 8844(be)s 0 8973(in)m 9(v)k 4(ok)k 2(ed)k
@@ -5872,12 +5880,12 @@ grestore
 8778(the)s 220 fnt2 0 3857(@Open)m 240 fnt1 806 3860(symbol,)m
 1618(and)s 2022(follo)s 6(wing)k 2999(its)s 3275(alternati)s 6(v)k 3(e)k
 4329(form,)s 220 fnt2 4900 3857(@Use)m 240 fnt1 5565 3860(\(Section)m
-6418(3.37\).)s 480 3486(Exported)m 1480(nested)s 2214(symbols)s 3128(and)s
+6418(3.38\).)s 480 3486(Exported)m 1480(nested)s 2214(symbols)s 3128(and)s
 3598(parameters)s 4761(may)s 5292(be)s 5639(made)s 6279(visible)s
 7037(within)s 7770(a)s 8002(subsequent)s 0 3198(de\207nition)m 974(or)s
 1233(macro)s 1883(by)s 2177(preceding)s 3173(it)s 3365(with)s
 3847(an)s 220 fnt2 4130 3195(impor)m -8(t)k 
-[ /Dest /LOUT19_4244_det_visi_5 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_visi_5 /DEST pdfmark
 240 fnt1
 4803 3198(clause,)m 5507(lik)s 2(e)k 5919(this:)s 220 fnt2
 480 2697(impor)m -8(t @Eq)k 480 2409(def p)m 6(ythag { sqr)k -8(t { x sup 2 + y sup 2 } })k
@@ -6315,7 +6323,7 @@ grestore
 6833(be)s 3(gin)k 7434(a)s 7616(Lout)s 220 fnt2
 8144 4388(@Include)m 240 fnt1 0 4103(directi)m 6(v)k 3(e)k
 882(in)s 1125(the)s 1473(usual)s 2033(form)s 2557(\(Section)s
-3410(3.45\):)s 220 fnt2 480 3612(@Sor)m -8(t {)k 480 3324(A)m 6(usten, J)k 4(ane)k
+3410(3.46\):)s 220 fnt2 480 3612(@Sor)m -8(t {)k 480 3324(A)m 6(usten, J)k 4(ane)k
 480 3036(@Include { authors })m 480 2748(Hardy)m 22(, )k 11(Thomas)k 480 2460(})m
 240 fnt1 0 1966(The)m 421(included)s 1296(\207le)s 1649(becomes)s
 2530(part)s 2954(of)s 220 fnt2 3217 1963(@FilterIn)m 240 fnt1
@@ -6415,7 +6423,7 @@ grestore
 480 11647(Ev)m 3(ery)k 1131(symbol)s 1920(in)s 2192(Lout)s
 2733(has)s 3132(a)s 240 fnt6 3327 11649(pr)m 8(ecedence)k
 240 fnt1 4401 11647(,)m 
-[ /Dest /LOUT19_4244_det_prec_1 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_prec_1 /DEST pdfmark
 4538(which)s 5209(is)s 5448(a)s
 5643(positi)s 6(v)k 3(e)k 6476(whole)s 7146(number)s 13(.)k
 8057(When)s 8716(tw)s 2(o)k 0 11359(symbols)m 849(compete)s
@@ -6437,7 +6445,7 @@ grestore
 7887(second)s 8651(rule.)s 0 9453(Each)m 545(symbol)s 1316(is)s
 1537(either)s 240 fnt6 2151 9455(left-associative)m 240 fnt1 3659 9453(or)m
 
-[ /Dest /LOUT19_4244_det_prec_2 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_prec_2 /DEST pdfmark
 240 fnt6 3929 9455(right-associative)m 240 fnt1 5528 9453(.)m 5703(The)s
 6142(v)s 6(alue)k 6720(of)s 220 fnt2 7002 9450(a)m
 7180(op1)s 7564(b)s 7739(op2)s 8156(c)s 240 fnt1
@@ -6588,14 +6596,14 @@ grestore
 0 7039(attrib)m 4(utes)k 935(determine)s 1946(the)s 2294(object')s 13(s)k
 3088(\207nal)s 3568(appearance)s 4699(in)s 4942(the)s 5290(output.)s
 
-[ /Dest /LOUT19_4244_det_size_1 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_size_1 /DEST pdfmark
 480 6665(The)m 908(style)s 1415(of)s 1686(an)s 1969(object)s
 2613(comprises)s 3633(the)s 3981(follo)s 6(wing:)k 0 6162(\213)m
 480(Which)s 1175(font)s 1620(f)s 2(amily)k 15(,)k
 2333(f)s 2(ace)k 2784(and)s 3188(size)s 3615(to)s
 3854(use)s 4229(\(also)s 4746(de\207ning)s 5584(the)s 220 fnt2
 5932 6159(f)m 240 fnt1 6050 6162(unit\);)m 
-[ /Dest /LOUT16_1490_det_size_1 /DEST pdfmark
+[ /Dest /LOUT16_1500_det_size_1 /DEST pdfmark
 0 5659(\213)m 480(Whether)s
 1391(small)s 1991(capitals)s 2799(are)s 3175(in)s 3446(ef)s 6(fect)k
 4070(or)s 4358(not,)s 4799(and)s 5231(also)s 5698(what)s
@@ -6603,13 +6611,13 @@ grestore
 8740(full)s 480 5371(capitals)m 1260(the)s 1608(small)s 2180(capitals)s
 2960(are)s 3307(to)s 3546(ha)s 4(v)k 3(e;)k
 
-[ /Dest /LOUT16_1490_det_size_2 /DEST pdfmark
+[ /Dest /LOUT16_1500_det_size_2 /DEST pdfmark
 0 4868(\213)m 480(What)s 1058(g)s 1(ap)k 1456(to)s
 1695(replace)s 2440(a)s 2606(single)s 3233(space)s 3820(between)s
 4674(tw)s 2(o)k 5084(objects)s 5812(by)s 6106(\(also)s
 6623(de\207ning)s 7461(the)s 220 fnt2 7809 4865(s)m 240 fnt1
 7972 4868(unit\);)m 
-[ /Dest /LOUT16_1490_det_size_3 /DEST pdfmark
+[ /Dest /LOUT16_1500_det_size_3 /DEST pdfmark
 0 4365(\213)m 480(The)s 900(interpretation)s 2235(to)s
 2465(place)s 3017(on)s 3306(white)s 3884(space)s 4463(separating)s
 5490(tw)s 2(o)k 5891(objects)s 6611(\()s 220 fnt2
@@ -6619,42 +6627,42 @@ grestore
 855 4077(,)m 962(or)s 220 fnt2 1221 4074(te)m 6(x)k
 240 fnt1 1566 4077(as)m 1816(in)s 2059(Section)s 2833(3.5\);)s
 
-[ /Dest /LOUT16_1490_det_size_4 /DEST pdfmark
+[ /Dest /LOUT16_1500_det_size_4 /DEST pdfmark
 0 3583(\213)m 480(The)s 908(current)s 1644(v)s 6(alue)k
 2212(of)s 2483(the)s 220 fnt2 2831 3580(y)m 240 fnt1
 2999 3583(and)m 220 fnt2 3403 3580(z)m 240 fnt1 3567 3583(units)m
 4083(of)s 4354(measurement)s 5688(\(Section)s 6541(3.6\);)s 
-[ /Dest /LOUT16_1490_det_size_5 /DEST pdfmark
+[ /Dest /LOUT16_1500_det_size_5 /DEST pdfmark
 0 3082(\213)m
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 4648 3079(adjust)m 240 fnt1 5229 3082(,)m 220 fnt2 5336 3079(r)m 2(agged)k
 240 fnt1 6005 3082(,)m 6112(etc.\))s 
-[ /Dest /LOUT16_1490_det_size_6 /DEST pdfmark
+[ /Dest /LOUT16_1500_det_size_6 /DEST pdfmark
 0 2579(\213)m 480(What)s
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 5877(de\207ning)s 6715(the)s 220 fnt2 7063 2576(v)m 240 fnt1
 7232 2579(unit\);)m 
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+[ /Dest /LOUT16_1500_det_size_7 /DEST pdfmark
 0 2076(\213)m 480(The)s 908(size)s 1335(of)s
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 3589(the)s 220 fnt2 3937 2073(outdent)m 240 fnt1 4725 2076(paragraph)m
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-[ /Dest /LOUT16_1490_det_size_8 /DEST pdfmark
+[ /Dest /LOUT16_1500_det_size_8 /DEST pdfmark
 0 1573(\213)m 480(Whether)s 1462(the)s
 220 fnt2 1909 1570(unbreakab)m 4(le\207rst)k 240 fnt1 3621 1573(and)m
 220 fnt2 4124 1570(unbreakab)m 4(lelast)k 240 fnt1 5823 1573(paragraph)m
 6935(breaking)s 7924(options)s 8779(are)s 480 1285(in)m 723(ef)s 6(fect;)k
 
-[ /Dest /LOUT16_1490_det_size_9 /DEST pdfmark
+[ /Dest /LOUT16_1500_det_size_9 /DEST pdfmark
 0 801(\213)m 480(Whether)s 1366(the)s 1717(ro)s 6(w)k
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 6532(or)s 6795(half)s 7241(the)s 7592(height)s 8254(of)s
 8528(an)s 8815(`x')s 480 513(abo)m 3(v)k 3(e)k
 1102(the)s 1450(baseline;)s 
-[ /Dest /LOUT16_1490_det_size_10 /DEST pdfmark
+[ /Dest /LOUT16_1500_det_size_10 /DEST pdfmark
 
 grestore
 gsave
@@ -6713,23 +6721,23 @@ gsave
 grestore
 0 13205(\213)m 480(Whether)s 1363(to)s 1602(permit)s 2285(h)s 1(yphenation)k
 3525(or)s 3784(not;)s 
-[ /Dest /LOUT16_1490_det_size_11 /DEST pdfmark
+[ /Dest /LOUT16_1500_det_size_11 /DEST pdfmark
 0 12702(\213)m 480(What)s 1058(colour)s
 1729(the)s 2077(object)s 2721(is)s 2931(to)s 3170(appear)s
 3867(in;)s 
-[ /Dest /LOUT16_1490_det_size_12 /DEST pdfmark
+[ /Dest /LOUT16_1500_det_size_12 /DEST pdfmark
 0 12199(\213)m 480(Whether)s 220 fnt2 1363 12196(@Outline)m
 240 fnt1 2332 12199(is)m 2542(in)s 2785(ef)s 6(fect;)k
 
-[ /Dest /LOUT16_1490_det_size_13 /DEST pdfmark
+[ /Dest /LOUT16_1500_det_size_13 /DEST pdfmark
 0 11715(\213)m 480(The)s 908(language)s 1828(of)s 2099(the)s
 2447(object;)s 
-[ /Dest /LOUT16_1490_det_size_14 /DEST pdfmark
+[ /Dest /LOUT16_1500_det_size_14 /DEST pdfmark
 0 11212(\213)m 480(Whether)s 220 fnt2 1363 11209(@V)m 17(Adjust)k
 240 fnt1 2320 11212(,)m 220 fnt2 2427 11209(@HAdjust)m 240 fnt1
 3473 11212(and)m 220 fnt2 3877 11209(@P)m 26(Adjust)k 240 fnt1
 4885 11212(are)m 5232(in)s 5475(ef)s 6(fect.)k 
-[ /Dest /LOUT16_1490_det_size_15 /DEST pdfmark
+[ /Dest /LOUT16_1500_det_size_15 /DEST pdfmark
 0 10712(The)m
 423(style)s 925(of)s 1191(an)s 1468(object)s 2107(depends)s
 2938(on)s 3229(where)s 3864(it)s 4051(appears)s 4827(in)s
@@ -6781,11 +6789,11 @@ grestore
 220 fnt2 4743 7743(s)m 240 fnt1 4906 7746(unit)m 5338(is)s
 5548(also)s 5986(set)s 6311(by)s 220 fnt2 6605 7743(@F)m 6(ont)k
 240 fnt1 7317 7746(\(Section)m 8170(3.5\).)s 
-[ /Dest /LOUT19_4244_det_size_2 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_size_2 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_det_size_3 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_size_3 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_det_size_4 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_size_4 /DEST pdfmark
 536 7372(The)m 959(remainder)s
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 4210(ho)s 6(w)k 4667(the)s 5010(size)s 5433(of)s
@@ -6813,7 +6821,7 @@ grestore
 480 4481(  @Gr)m 2(aphic x)k 480 4193(})m 240 fnt1 0 3699(which)m
 657(dra)s 3(ws)k 1291(a)s 1472(box)s 1903(around)s
 2641(the)s 3004(boundary)s 3978(of)s 4265(its)s 4556(right)s
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+5082(parameter)s 6111(\(Section)s 6980(3.41\))s 7543(with)s 8040(no)s
 8349(mar)s 4(gin.)k 0 3411(The)m 428(result)s 1018(of)s
 220 fnt2 480 2960(5c @Wide @TightBo)m 6(x metempsychosis)k 240 fnt1 0 2461(is)m
 2835 215 0 106 240 288 60 480 1956 LoutGr2
@@ -6984,7 +6992,7 @@ grestore
 348(root)s 793(g)s 1(alle)k 3(y)k 15(.)k
 1522(Each)s 2057(is)s 2267(considered)s 3361(to)s 3600(be)s
 3882(enclosed)s 
-[ /Dest /LOUT19_4244_det_size_5 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_size_5 /DEST pdfmark
 4777(in)s 220 fnt2 5020 3044(@HContr)m 2(act)k
 240 fnt1 6284 3047(and)m 220 fnt2 6688 3044(@VContr)m 2(act)k
 240 fnt1 7940 3047(symbols.)m 480 2673(Up)m 836(to)s 1086(this)s
@@ -7079,9 +7087,9 @@ grestore
 2197(g)s 1(alle)k 3(ys)k 2923(and)s 3328(their)s
 3827(tar)s 4(gets,)k 4568(as)s 4820(described)s 5796(in)s
 6040(Section)s 
-[ /Dest /LOUT19_4244_det_gall_1 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_gall_1 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_det_gall_2 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_gall_2 /DEST pdfmark
 6816(1.4,)s 7225(can)s 7616(be)s 7900(summarized)s
 0 11359(in)m 243(three)s 776(la)s 3(ws:)k 240 fnt6
 0 10907(F)m 10(ir)k 2(st)k 540(Law)s 240 fnt1
@@ -7124,7 +7132,7 @@ grestore
 3161(lying)s 3705(between)s 4558(tw)s 2(o)k 4966(neighbouring)s
 6295(potential)s 7185(split)s 7655(points)s 8290(is)s 8498(called)s
 0 6714(a)m 240 fnt6 166 6716(component)m 
-[ /Dest /LOUT19_4244_det_gall_3 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_gall_3 /DEST pdfmark
 240 fnt1 1281 6714(of)m
 1552(the)s 1900(g)s 1(alle)k 3(y)k 15(.)k
 2629(By)s 2963(de\207nition,)s 3987(a)s 4153(component)s 5277(cannot)s
@@ -7311,7 +7319,7 @@ grestore
 2480(a)s 2675(mark)s 2(ed)k 3477(ef)s 6(fect)k
 4103(on)s 4429(the)s 4806(v)s 3(ertical)k 5603(concatenation)s
 
-[ /Dest /LOUT19_4244_det_gall_4 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_gall_4 /DEST pdfmark
 7017(symbol)s 220 fnt2 7806 49(//1.1b)m 240 fnt1 8347 52(,)m
 8484(which)s 
 grestore
@@ -7417,7 +7425,7 @@ grestore
 8110(alignment)s 0 9528(becomes)m 882(v)s 3(ery)k 1351(doubtful.)s
 2319(F)s 3(or)k 2702(e)s 3(xample,)k 3609(what)s
 4127(if)s 4338(the)s 4679(tar)s 4(gets)k 
-[ /Dest /LOUT19_4244_det_gall_5 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_gall_5 /DEST pdfmark
 5355(are)s
 5696(in)s 5932(dif)s 6(ferent)k 6800(columns)s 7656(of)s
 7920(one)s 8315(page,)s 8867(or)s 0 9240(what)m 525(if)s
@@ -7510,7 +7518,7 @@ grestore
 480 2374(The)m 906(root)s 1348(g)s 1(alle)k 3(y)k 15(,)k
 2018(where)s 2655(e)s 6(v)k 3(erything)k 3720(collects)s
 4497(immediately)s 5742(prior)s 6264(to)s 6500(output,)s 
-[ /Dest /LOUT19_4244_det_gall_6 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_gall_6 /DEST pdfmark
 7217(is)s
 7424(created)s 8168(automati)s 8998(-)s 0 2086(cally)m 15(,)k
 556(not)s 921(by)s 1214(a)s 1379(de\207nition.)s 2459(Its)s
@@ -7605,7 +7613,7 @@ grestore
 2112(g)s 1(alle)k 3(y)k 2751(on)s 3054(the)s
 3407(output)s 4085(\207le)s 4451(is)s 4666(some)s 6(what)k
 5696(problematical,)s 
-[ /Dest /LOUT19_4244_det_gall_7 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_gall_7 /DEST pdfmark
 7121(because)s 7940(Lout)s 8457(has)s 8833(no)s
 0 8956(w)m 2(ay)k 461(of)s 742(kno)s 6(wing)k
 1638(ho)s 6(w)k 2109(lar)s 4(ge)k 2648(the)s
@@ -7623,9 +7631,9 @@ grestore
 1744(will)s 2198(promote)s 3079(a)s 3273(component)s 4425(only)s
 4933(after)s 5457(an)s 3(y)k 5882(recepti)s 6(v)k 3(e)k
 6832(symbols)s 
-[ /Dest /LOUT19_4244_det_gall_8 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_gall_8 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_det_gall_9 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_gall_9 /DEST pdfmark
 7709(within)s 8405(it)s 8625(ha)s 4(v)k 3(e)k
 0 7430(been)m 509(replaced,)s 1426(either)s 2029(by)s 2324(g)s 1(alle)k 3(ys)k
 3048(or)s 3308(by)s 220 fnt2 3602 7427(@Null)m 240 fnt1
@@ -7659,7 +7667,7 @@ grestore
 5819(the)s 6156(g)s 1(alle)k 3(y)k 6778(concept,)s
 7618(called)s 8235(a)s 240 fnt6 8389 5244(for)m 8(cing)k
 0 4956(galle)m 7(y)k 240 fnt1 573 4954(,)m 
-[ /Dest /LOUT19_4244_det_gall_10 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_gall_10 /DEST pdfmark
 
 [ /Dest /LOUTforcing /DEST pdfmark
 680(is)s
@@ -7798,7 +7806,7 @@ grestore
 2586(the)s 2928(symbol)s 3682(that)s 4094(is)s 4297(to)s
 4530(be)s 4806(a)s 4966(g)s 1(alle)k 3(y)k
 5594(a)s 5753(parameter)s 6761(or)s 7014(nested)s 
-[ /Dest /LOUT19_4244_det_gall_11 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_gall_11 /DEST pdfmark
 7677(de\207nition)s
 8644(with)s 0 11391(the)m 348(special)s 1066(name)s 220 fnt2
 1640 11388(@T)m 26(arget)k 240 fnt1 2467 11391(:)m 220 fnt2
@@ -7937,7 +7945,7 @@ grestore
 2045(a)s 2216(symbol)s 2981(whose)s 3654(name)s 4233(is)s
 220 fnt2 4448 13202(@Enclose)m 240 fnt1 5508 13205(has)m 5883(a)s
 6054(special)s 
-[ /Dest /LOUT19_4244_det_gall_12 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_gall_12 /DEST pdfmark
 6777(meaning:)s 7772(when)s 8353(compo)s 8998(-)s
 0 12917(nents)m 556(of)s 827(the)s 1175(g)s 1(alle)k 3(y)k
 1810(replace)s 2555(a)s 220 fnt2 2721 12914(@Galle)m 4(y)k
@@ -8099,13 +8107,13 @@ grestore
 674(order)s 13(.)k 1324(T)s 19(o)k 1618(mak)s 2(e)k
 2185(g)s 1(alle)k 3(ys)k 2903(appear)s 3595(in)s
 3832(sorted)s 4469(order)s 9(,)k 5065(as)s 
-[ /Dest /LOUT19_4244_det_sort_1 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_sort_1 /DEST pdfmark
 5310(is)s
 5514(needed)s 6245(in)s 6482(bibliographies)s 7896(and)s 8294(inde)s 3(x)k 3(es,)k
 0 9711(a)m 178(parameter)s 1205(or)s 1477(nested)s 2158(de\207nition)s
 3145(with)s 3640(the)s 4000(special)s 4731(name)s 220 fnt2
 5318 9708(@K)m 8(e)k 4(y)k 
-[ /Dest /LOUT19_4244_det_sort_2 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_sort_2 /DEST pdfmark
 240 fnt1 5977 9711(is)m
 6200(added)s 6843(to)s 7094(the)s 7455(g)s 1(alle)k 3(y)k
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@@ -8218,126 +8226,126 @@ gsave
 grestore
 220 fnt2 480 13207(def @Merge left x r)m -3(ight y)k 480 12919({)m
 480 12631(    { x @Rump { x @Meld y } } @Case)m 480 12343(    {)m 480 12055(        ""   @Y)m 4(ield  x)k 480 11767(        else @Y)m 4(ield  { { x{@OneCol ,} } @Meld y })k
-480 11479(    })m 480 10903(})m 240 fnt1 0 10407(The)m 220 fnt2
-428 10404(@Rump)m 240 fnt1 1288 10407(and)m 220 fnt2 1693 10404(@Meld)m
-240 fnt1 2439 10407(symbols)m 3288(are)s 3636(the)s 3984(subject)s
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+480 11479(    })m 480 10903(})m 240 fnt1 0 10408(The)m 220 fnt2
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+0 8882(right\),)m 
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-240 fnt6 4274 6493(O)m 240 fnt4 4454 6485(\()m 167 fnt4
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-240 fnt1 4871 6491(or)m 5131(some)s 6(what)k 6156(higher)s
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+240 fnt1 4871 6492(or)m 5131(some)s 6(what)k 6156(higher)s
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-7981(polynomial)s 0 6203(in)m 240 fnt6 238 6205(n)m 240 fnt1
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 4845(occur)s 5431(within)s 6094(the)s 6436(body)s 6965(of)s
-220 fnt2 7231 6200(@Merge)m 240 fnt1 8068 6203(;)m 8175(to)s
-8409(do)s 8697(it)s 8883(in)s 0 5915(the)m 348(natural)s
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 1066(linear)s 1669(order)s 2233(w)s 2(ould)k 2888(tak)s 2(e)k
-3340(Lout)s 3852(e)s 3(xponential)k 5020(time.)s 480 5541(F)m 3(or)k
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 879(horrible)s 1702(reasons)s 2481(concerning)s 3608(making)s 4390(it)s
 4593(possible)s 5444(to)s 5694(print)s 6216(reference)s 7170(lists)s
-7616(sorted)s 8269(by)s 8574(point)s 0 5253(of)m 296(\207rst)s
+7616(sorted)s 8269(by)s 8574(point)s 0 5254(of)m 296(\207rst)s
 753(citation,)s 1602(the)s 1976(particular)s 2976(sort)s 3420(k)s 2(e)k 3(y)k
-220 fnt2 3841 5250(??)m 240 fnt1 4157 5253(is)m 4393(treated)s
+220 fnt2 3841 5251(??)m 240 fnt1 4157 5254(is)m 4393(treated)s
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 7139(f)s 2(act)k 7557(be)s 7842(k)s 2(ept)k
-8316(distinct,)s 0 4389(just)m 405(as)s 655(though)s 1378(their)s
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-3182(been)s 3691(dif)s 6(ferent.)k 240 fnt5 0 3596(2.9.)m
+3182(been)s 3691(dif)s 6(ferent.)k 240 fnt5 0 3597(2.9.)m
 471(Horizontal)s 1628(galleys)s 
 [ /Dest /LOUThorizontal /DEST pdfmark
-240 fnt1 480 3119(All)m 846(the)s
+240 fnt1 480 3120(All)m 846(the)s
 1201(g)s 1(alle)k 3(ys)k 1932(so)s 2205(f)s 2(ar)k
 2534(ha)s 4(v)k 3(e)k 3042(been)s 240 fnt6
-3557 3121(vertical)m 4353(galle)s 7(ys)k 240 fnt1 5018 3119(:)m
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 5191(g)s 1(alle)k 3(ys)k 5922(whose)s 6597(components)s
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+7812(are)s 8166(separated)s 0 2832(by)m 320(v)s 3(ertical)k
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-7544(components)s 8779(are)s 0 2543(separated)m 951(by)s 1235(the)s
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+1574(horizontal)s 2588(concatenation)s 3963(operator)s 220 fnt2 4810 2541(&)m
+240 fnt1 5002 2544(\(or)m 5331(equi)s 6(v)k 6(alently)k 15(,)k
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 5224(of)s 5493(direction.)s 6504(F)s 3(or)k 6891(e)s 3(xample,)k
-7803(the)s 8149(follo)s 6(wing)k 0 1967(de\207nes)m 730(the)s
+7803(the)s 8149(follo)s 6(wing)k 0 1968(de\207nes)m 730(the)s
 1079(equi)s 6(v)k 6(alent)k 2124(of)s 2396(an)s
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 6295(that)s 6715(an)s 6999(option)s 7669(is)s 7880(pro)s 3(vided)k
-8788(for)s 0 1679(v)m 6(arying)k 778(the)s 1126(size)s
-1553(of)s 1824(the)s 2172(outdent:)s 220 fnt2 480 1178(def @OutdentP)m 8(ar)k
-480 890(    named outdent { 2f })m 480 602(    r)m -3(ight x)k 480 314({)m 
+8788(for)s 0 1680(v)m 6(arying)k 778(the)s 1126(size)s
+1553(of)s 1824(the)s 2172(outdent:)s 220 fnt2 480 1179(def @OutdentP)m 8(ar)k
+480 891(    named outdent { 2f })m 480 603(    r)m -3(ight x)k 480 315({)m 
 grestore
 gsave
 1417 -15423 translate
@@ -8582,7 +8590,7 @@ grestore
 1817(in)s 2077(Section)s 2869(2.7,)s 3294(the)s 3659(components)s
 4885(of)s 5174(a)s 5357(g)s 1(alle)k 3(y)k
 
-[ /Dest /LOUT19_4244_det_opti_1 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_opti_1 /DEST pdfmark
 6009(are)s 6373(promoted)s 7366(one)s 7786(by)s 8097(one)s
 8517(into)s 8960(a)s 0 9919(tar)m 4(get.)k 703(When)s
 1332(space)s 1919(runs)s 2382(out)s 2748(there,)s 3332(the)s
@@ -8619,7 +8627,7 @@ grestore
 240 fnt1 4599 7069(whose)m 5290(v)s 6(alue)k 5880(is)s
 220 fnt2 6112 7066(Y)m 30(es)k 240 fnt1 6453 7069(.)m
 6639(Lik)s 2(e)k 7153(cross)s 7717(referencing,)s 
-[ /Dest /LOUT19_4244_det_opti_2 /DEST pdfmark
+[ /Dest /LOUT19_4255_det_opti_2 /DEST pdfmark
 8934(it)s
 0 6781(tak)m 2(es)k 539(tw)s 2(o)k 947(runs)s
 1409(to)s 1646(ha)s 4(v)k 3(e)k 2145(ef)s 6(fect.)k
@@ -8712,9 +8720,9 @@ grestore
 220 fnt2 2620 10653(@Sym)m 240 fnt1 3324 10656(may)m 3786(be)s
 4064(enclosed)s 4955(in)s 220 fnt2 5194 10653(@Begin)m 240 fnt1
 6019 10656(and)m 
-[ /Dest /LOUT19_4244_pre_begi_1 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_begi_1 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_begi_2 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_begi_2 /DEST pdfmark
 220 fnt2 6419 10653(@End)m 7076(@Sym)s 240 fnt1
 7780 10656(instead)m 8511(of)s 8778(the)s 0 10368(more)m 547(usual)s
 1107(braces:)s 220 fnt2 480 9917(def @Section)m 480 9629(    named @Title {})m 480 9341(    r)m -3(ight @Body)k
@@ -8740,7 +8748,7 @@ grestore
 240 fnt1
 480 3739(There)m 1093(are)s 1440(ten)s 1789(concatenation)s 3174(symbols,)s
 4079(in)s 4322(three)s 4855(f)s 2(amilies:)k 
-[ /Dest /LOUT19_4244_pre_conc_1 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_1 /DEST pdfmark
 220 fnt2
 480 3198(/)m 962(^/)s 1547(//)s 2012(^//)s 240 fnt1
 2580 3201(V)m 26(ertical)k 3377(concatenation)s 220 fnt2 480 2910(|)m
@@ -8755,7 +8763,7 @@ grestore
 480 1422(The)m 906(v)s 3(ertical)k 1670(concatenation)s 3052(symbol)s
 220 fnt2 3809 1419(/)m 240 fnt1 3930 1422(places)m 4575(its)s
 4848(left)s 5222(parameter)s 
-[ /Dest /LOUT19_4244_pre_conc_2 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_2 /DEST pdfmark
 6233(abo)s 3(v)k 3(e)k
 6852(its)s 7125(right)s 7633(parameter)s 8644(with)s 0 1134(their)m
 519(column)s 1317(marks)s 1975(aligned.)s 2866(If)s 3119(one)s
@@ -8769,7 +8777,7 @@ grestore
 1908(concatenation)s 3280(symbols)s 220 fnt2 4117 181(|)m 240 fnt1
 4201 184(and)m 220 fnt2 4593 181(||)m 240 fnt1 4734 184(are)m
 5069(horizontal)s 
-[ /Dest /LOUT19_4244_pre_conc_3 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_3 /DEST pdfmark
 6080(analogues)s 7076(of)s 220 fnt2 7334 181(/)m
 240 fnt1 7446 184(and)m 220 fnt2 7837 181(//)m 240 fnt1
 7962 184(:)m 8116(the)s 3(y)k 8566(place)s 
@@ -8831,7 +8839,7 @@ grestore
 3646(ro)s 6(w)k 4056(mark)s 4599(alignment)s 5605(or)s
 5854(top-justi\207cation)s 7414(respecti)s 6(v)k 3(ely)k 15(.)k
 8698(The)s 
-[ /Dest /LOUT19_4244_pre_conc_4 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_4 /DEST pdfmark
 0 12917(in-paragraph)m 1278(concatenation)s 2663(symbol)s 220 fnt2
 3423 12914(&)m 240 fnt1 3625 12917(produces)m 4540(horizontal)s 5564(concatenation)s
 6949(within)s 7617(a)s 7783(paragraph;)s 8850(its)s 0 12629(special)m
@@ -8873,7 +8881,7 @@ grestore
 938(mark)s 1494(is)s 1708(designated)s 2793(as)s 3047(the)s
 240 fnt6 3398 9025(principal)m 4339(mark)s 240 fnt1 4835 9023(,)m
 4946(usually)s 5695(the)s 6047(mark)s 6602(of)s 
-[ /Dest /LOUT19_4244_pre_conc_5 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_5 /DEST pdfmark
 6877(the)s
 7229(\207rst)s 7664(component.)s 8896(A)s 0 8735(later)m 486(mark)s
 1042(can)s 1435(be)s 1721(chosen)s 2447(for)s 2789(this)s
@@ -8882,7 +8890,7 @@ grestore
 8317(symbol.)s 0 8447(See)m 401(Section)s 1175(3.11)s 1630(for)s
 1968(e)s 3(xamples.)k 480 8073(A)m 240 fnt6 712 8075(gap)m
 240 fnt1 1065 8073(,)m 
-[ /Dest /LOUT19_4244_pre_conc_6 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_6 /DEST pdfmark
 1175(specifying)s 2227(the)s 2578(distance)s
 3420(between)s 4277(the)s 4627(tw)s 2(o)k 5040(parameters,)s
 6197(may)s 6666(follo)s 6(w)k 7341(an)s 3(y)k
@@ -8914,7 +8922,7 @@ grestore
 3966(mode)s 4548(plus)s 4992(an)s 5268(optional)s 6101(indication)s
 7108(of)s 7373(unbreakability)s 15(.)k 8896(A)s 240 fnt6
 0 4973(length)m 
-[ /Dest /LOUT19_4244_pre_conc_7 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_7 /DEST pdfmark
 240 fnt1 659 4971(is)m 875(represented)s 2040(by)s
 2341(an)s 2630(decimal)s 3447(number)s 4244(\(which)s 4972(may)s
 5444(not)s 5816(be)s 6104(ne)s 3(g)k 1(ati)k 6(v)k 3(e\))k
@@ -8925,29 +8933,29 @@ grestore
 7847(gi)s 6(v)k 3(es)k 8393(the)s 8740(full)s
 0 4395(selection)m 906(of)s 1177(units)s 1693(of)s 1964(measurement.)s
 
-[ /Dest /LOUT19_4244_pre_conc_8 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_8 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_9 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_9 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_10 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_10 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_11 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_11 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_12 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_12 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_13 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_13 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_14 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_14 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_15 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_15 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_16 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_16 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_17 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_17 /DEST pdfmark
 480 4021(After)m 1045(the)s 1396(length)s 2054(comes)s 2718(an)s
 3004(optional)s 240 fnt6 3846 4023(gap)m 4261(mode)s 240 fnt1
 4773 4021(,)m 
-[ /Dest /LOUT19_4244_pre_conc_18 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_18 /DEST pdfmark
 4883(which)s 5528(is)s 5740(a)s 5909(single)s
 6539(letter)s 7090(follo)s 6(wing)k 8070(the)s 8421(length,)s
 0 3733(indicating)m 1031(ho)s 6(w)k 1514(the)s 1884(length)s
@@ -8955,9 +8963,9 @@ grestore
 4801(sho)s 6(wn)k 5500(in)s 5765(Figure)s 6468(3.2,)s
 6897(with)s 7401(edge-to-edge)s 8728(g)s 1(ap)k 0 3445(mode)m
 
-[ /Dest /LOUT19_4244_pre_conc_19 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_19 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_20 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_20 /DEST pdfmark
 603(the)s 967(length)s 240 fnt6 1638 3447(l)m 240 fnt1
 1780 3445(is)m 2006(measured)s 2996(from)s 3536(the)s 3900(trailing)s
 4658(edge)s 5181(of)s 5468(the)s 5832(\207rst)s 6279(object)s
@@ -8967,24 +8975,24 @@ grestore
 4833 3154(e)m 240 fnt1 5005 3157(may)m 5469(be)s 5749(omitted.)s
 6642(Hyphenation)s 7934(g)s 1(ap)k 8330(mode)s 8916(is)s
 
-[ /Dest /LOUT19_4244_pre_conc_21 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_21 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_22 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_22 /DEST pdfmark
 0 2869(similar)m 9(,)k 760(e)s 3(xcept)k 1441(as)s
 1691(e)s 3(xplained)k 2676(at)s 2908(the)s 3256(end)s
 3660(of)s 3931(this)s 4327(section.)s 480 2495(Mark-to-mark,)m 
-[ /Dest /LOUT19_4244_pre_conc_23 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_23 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_24 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_24 /DEST pdfmark
 1957(o)s 3(v)k 3(erstrik)k 2(e,)k
 
-[ /Dest /LOUT19_4244_pre_conc_25 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_25 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_26 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_26 /DEST pdfmark
 3028(and)s 3450(k)s 2(erning)k 
-[ /Dest /LOUT19_4244_pre_conc_27 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_27 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_28 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_28 /DEST pdfmark
 4249(measure)s 5118(the)s
 5484(length)s 6156(from)s 6698(the)s 7063(last)s 7471(mark)s
 8041(of)s 8329(the)s 8695(\207rst)s 0 2207(object)m 648(to)s
@@ -9005,13 +9013,13 @@ grestore
 4673(other)s 5248(object;)s 5969(this)s 6389(mode)s 7001(is)s
 7235(used)s 7756(for)s 8119(subscripts)s 0 1055(and)m 404(superscripts.)s
 
-[ /Dest /LOUT19_4244_pre_conc_29 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_29 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_30 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_30 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_31 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_31 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_32 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_32 /DEST pdfmark
 558 681(T)m 19(ab)k 4(ulation)k 1646(ignores)s 2419(the)s
 2785(\207rst)s 3234(object)s 3896(and)s 4318(places)s 4984(the)s
 5350(leading)s 6125(edge)s 6651(of)s 6940(the)s 7306(second)s
@@ -9663,9 +9671,9 @@ grestore
 1523(objects)s 2254(are)s 2603(separated)s 3566(only)s 4048(by)s
 4345(zero)s 4811(or)s 5072(more)s 5622(white)s 6211(space)s
 
-[ /Dest /LOUT19_4244_pre_conc_33 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_33 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_34 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_34 /DEST pdfmark
 6801(characters)s 7821(\(spaces,)s 8634(tabs,)s 0 1044(ne)m 6(wlines,)k
 983(and)s 1420(formfeeds\),)s 2607(Lout)s 3152(inserts)s 220 fnt2
 3859 1041(&)m 240 fnt6 4001 1046(k)m 220 fnt2 4111 1041(s)m
@@ -10778,7 +10786,7 @@ grestore
 1672(of)s 1958(tw)s 2(o)k 2383(or)s 2657(more)s
 3219(objects)s 3962(separated)s 4936(by)s 220 fnt2 5245 4686(&)m
 240 fnt1 5462 4689(symbols)m 6326(is)s 6551(a)s 
-[ /Dest /LOUT19_4244_pre_conc_35 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_35 /DEST pdfmark
 240 fnt6
 6732 4691(par)m 3(a)k 2(gr)k 3(aph)k 240 fnt1
 7745 4689(.)m 7924(Lout)s 8451(breaks)s 0 4401(paragraphs)m 1100(into)s
@@ -10794,13 +10802,13 @@ grestore
 [ /Rect [2605 3822 2711 3990] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTknuth1984tex /ANN pdfmark
 2605(5)s
 2711(].)s 
-[ /Dest /LOUT19_4244_pre_conc_36 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_36 /DEST pdfmark
 480 3451(If)m 735(an)s 220 fnt2 1043 3448(&)m
 240 fnt1 1271 3451(symbol)m 2056(whose)s 2750(g)s 1(ap)k
 3173(has)s 3568(h)s 1(yphenation)k 4834(mode)s 
-[ /Dest /LOUT19_4244_pre_conc_37 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_37 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_conc_38 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_conc_38 /DEST pdfmark
 5447(is)s
 5683(chosen)s 6430(for)s 6793(replacement)s 8046(by)s 220 fnt2
 8365 3448(//1vx)m 240 fnt1 8827 3451(,)m 8960(a)s 0 3163(h)m 1(yphen)k
@@ -10895,15 +10903,15 @@ grestore
 [ /Dest /LOUTfont /DEST pdfmark
 240 fnt1 480 11939(A)m
 240 fnt6 728 11941(font)m 
-[ /Dest /LOUT19_4244_pre_font_1 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_font_1 /DEST pdfmark
 240 fnt1 1182 11939(is)m 1410(a)s
 1594(collection)s 2611(of)s 2900(characters)s 3936(which)s 4596(may)s
 5080(be)s 5380(printed.)s 6239(Man)s 3(y)k 6867(fonts)s
 7414(come)s 8006(in)s 240 fnt6 8268 11941(families)m 240 fnt1
 9019 11939(,)m 
-[ /Dest /LOUT19_4244_pre_font_2 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_font_2 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_font_3 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_font_3 /DEST pdfmark
 0 11651(which)m 634(are)s 973(groups)s 1667(of)s
 1930(fonts)s 2450(that)s 2860(ha)s 4(v)k 3(e)k
 3352(been)s 3853(designed)s 4754(to)s 4984(go)s 5269(together)s 13(.)k
@@ -10928,9 +10936,9 @@ grestore
 0 8629(be)m 282(applied)s 1044(to)s 1283(man)s 3(y)k
 1866(font)s 2311(f)s 2(amilies.)k 480 8255(Lig)m 1(atures,)k
 
-[ /Dest /LOUT19_4244_pre_font_4 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_font_4 /DEST pdfmark
 
-[ /Dest /LOUT19_4244_pre_font_5 /DEST pdfmark
+[ /Dest /LOUT19_4255_pre_font_5 /DEST pdfmark
 1488(such)s 1984(as)s 2234(\210)s 2420(for)s 2758(f)s
 2849(l)s 2970(and)s 3375(\207)s 3560(for)s 3898(f)s
 3989(i,)s 4163(are)s 4510(considered)s 5604(by)s 5899(Basser)s
@@ -10947,74 +10955,55 @@ grestore
 6775(in)s 220 fnt2 7026 7388(@OneCol)m 240 fnt1 8045 7391(is)m
 8262(one)s 8672(sure)s 0 7103(w)m 2(ay)k 451(to)s
 690(disable)s 1423(a)s 1589(lig)s 1(ature)k 2373(or)s
-2632(k)s 2(ern.)k 480 6729(The)m 220 fnt2 908 6726(@F)m 6(ont)k
-240 fnt1 1620 6729(symbol)m 
-[ /Dest /LOUT19_4244_pre_font_6 /DEST pdfmark
-2380(returns)s 3094(its)s 3370(right)s
-3881(parameter)s 4895(in)s 5138(a)s 5304(font)s 5749(and)s
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-220 fnt2 480 6221({ )m 11(Times Base 12p } @F)k 6(ont)k 240 fnt6
-3155 6226(object)m 240 fnt1 0 5725(The)m 431(f)s 2(amily)k
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+3061 4778(symbol)m 
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 3423(o)s 6(wn)k 3891(right)s 4406(parameter)s 13(.)k
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 1353(of)s 1624(the)s 1972(outer)s 2523(symbol:)s 220 fnt2
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-240 fnt1 0 2626(has)m 370(result)s 480 2145(hello,)m 240 fnt6
-1065 2147(hello,)m 300 fnt1 1636 2132(hello)m 240 fnt1 0 1661(The)m
-457(\207rst)s 918(inner)s 220 fnt2 1498 1658(@F)m 6(ont)k
-240 fnt1 2240 1661(inherits)m 3037(the)s 3414(outer)s 3995(f)s 2(amily)k
-4699(and)s 5133(size,)s 5641(changing)s 6601(only)s 7111(the)s
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-2680(f)s 2(ace.)k 3225(When)s 3841(a)s 3994(f)s 2(amily)k
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-6030(it)s 6209(must)s 6721(be)s 6990(follo)s 6(wed)k
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-3487 713(length)m 240 fnt1 4140 711(may)m 4607(also)s 5046(be)s
-5328(used,)s 5875(meaning)s 6753(that)s 7171(the)s 7520(font)s
-7966(size)s 8393(is)s 8604(to)s 8844(be)s 240 fnt6
-0 425(length)m 240 fnt1 649 423(lar)m 4(ger)k 1257(or)s
-1512(smaller)s 2269(than)s 2734(the)s 3078(inherited)s 3981(v)s 6(alue.)k
-4652(F)s 3(or)k 5037(e)s 3(xample,)k 5947(\211)s
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-8960(a)s 
+480 1221({ )m 11(Times Base 12p } @F)k 6(ont)k 480 933({ hello)m 8(, Slope @F)k 6(ont hello)k 8(, 15p @F)k 6(ont hello })k
+240 fnt1 0 437(has)m 370(result)s 
 grestore
 gsave
 1417 -15423 translate
@@ -11067,114 +11056,118 @@ gsave
 3817(@F)s 25(ontDef)k 240 fnt5 10256 -1583(41)m gsave
 1417 -15423 translate
 240 fnt1
-9066 13368 0 13259 240 288 60 LoutGraphic
+9066 13368 0 13231 240 288 60 LoutGraphic
 gsave
 1 LoutMargSet
 grestore
-0 13205(decision)m 854(is)s 1064(made)s 1638(to)s 1877(alter)s
-2360(the)s 2708(font)s 3153(size)s 3580(of)s 3851(the)s
-4199(document)s 5203(as)s 5453(a)s 5619(whole.)s 480 12831(The)m
-220 fnt2 908 12828(@F)m 6(ont)k 240 fnt1 1620 12831(symbol)m
-2380(also)s 2818(switches)s 3692(to)s 3931(and)s 4335(from)s
-4859(small)s 5431(capitals:)s 
-[ /Dest /LOUT19_4244_pre_font_7 /DEST pdfmark
-220 fnt2 480 12330(smallcaps @F)m 6(ont ...)k
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 2012(e)s 3(xample)k 2875(to)s 3114(0.8,)s 3521(using)s
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 grestore
 gsave
 1417 -15423 translate
@@ -11226,160 +11219,155 @@ gsave
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 9717(symbols)s gsave
 1417 -15423 translate
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 gsave
 0 LoutMargSet
 grestore
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-[ /Dest /LOUT19_4244_pre_font_8 /DEST pdfmark
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-[ /Dest /LOUT19_4244_pre_font_9 /DEST pdfmark
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 grestore
 gsave
 1417 -15423 translate
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 gsave
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 6255(which)s 6900(installs)s 7630(the)s 7981(te)s 3(xture)k
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 1654(appropriate.)s 2901(Consult)s 3701([)s 
-[ /Rect [3772 6785 3867 6947] /Border [0 0 0] /View [ /XYZ null null null ] /Subtype /Link /Dest /LOUTadobe1990ps /ANN pdfmark
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 3772(1)s 3867(])s
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 grestore
 gsave
 1417 -15423 translate
@@ -12360,133 +12334,147 @@ gsave
 gsave
 0 LoutMargSet
 grestore
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 grestore
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 1417 -15423 translate
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 grestore
@@ -15204,22 +15396,22 @@ grestore
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@@ -16859,22 +17051,22 @@ grestore
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 pgsave restore
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@@ -18551,7 +18679,7 @@ grestore
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-[ /Dest /LOUT19_4244_exa_page_10 /DEST pdfmark
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@@ -18562,7 +18690,7 @@ gsave
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 gsave
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@@ -18574,22 +18702,22 @@ grestore
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 %%IncludeResource: font Times-Italic
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 %%IncludeResource: font Helvetica
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@@ -18643,7 +18771,7 @@ grestore
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@@ -18671,7 +18799,7 @@ grestore
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 %%IncludeResource: font Times-Bold
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 gsave
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 grestore
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 pgsave restore
 showpage
 
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 %%IncludeResource: font Times-Italic
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 gsave
 0 16840 translate
 0.0000 rotate
-240 fnt5 1417 -1583(90)m
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 gsave
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 grestore
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+220 fnt2 480 13207(    //  @ChapterList&&preceding  @T)m 26(agged @T)k 26(ag)k
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@@ -18826,7 +18955,7 @@ grestore
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 480 10039(            @T)m 26(opOdd  { @I {@RunningTitle @OrElse @Title} |1r)k -8(t @B @P)k 8(ageNum })k 480 9751(})m
 
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@@ -18918,7 +19047,7 @@ gsave
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 240 fnt1 0 0 0 0 240 288 60 LoutGraphic
 gsave
-0 LoutMargSet
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 grestore
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 pgsave restore
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 %%IncludeResource: font Times-Bold
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+%%IncludeResource: font Times-Italic
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 %%IncludeResource: font Helvetica
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 gsave
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-[ /Dest /LOUT19_4244_exa_chap_5 /DEST pdfmark
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 240 fnt1 3004 950(.)m 480 576(Finally)m 15(,)k 1249(the)s
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-[ /Dest /LOUT19_4244_exa_chap_6 /DEST pdfmark
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 220 fnt2
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 grestore
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 240 fnt1 0 0 0 0 240 288 60 LoutGraphic
 gsave
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 grestore
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 pgsave restore
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 %%IncludeResource: font Times-Roman
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 %%IncludeResource: font Times-Italic
 /Times-Italicfnt6 vec2 /Times-Italic LoutRecode
 /fnt6 { /Times-Italicfnt6 LoutFont } def
+%%IncludeResource: font Times-Bold
+/Times-Boldfnt5 vec2 /Times-Bold LoutRecode
+/fnt5 { /Times-Boldfnt5 LoutFont } def
 %%IncludeResource: font Helvetica
 /Helveticafnt2 vec2 /Helvetica LoutRecode
 /fnt2 { /Helveticafnt2 LoutFont } def
@@ -19109,19 +19238,20 @@ grestore
 gsave
 0 16840 translate
 0.0000 rotate
-240 fnt5 1417 -1583(92)m
-240 fnt6 8434 -1580(Chapter)m 9284(4.)s 9558(Examples)s gsave
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+1871(Chapter)s 2(s)k 2802(and)s 3228(sections)s 240 fnt5
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-240 fnt1
-9066 13368 0 13264 240 288 60 LoutGraphic
+240 fnt1 9066 13368 0 13264 240 288 60 LoutGraphic
 gsave
-0 LoutMargSet
+1 LoutMargSet
 grestore
-220 fnt2 480 13207(def @EndSections f)m 6(orce into { @EndSectionsPlace&&preceding } {})k 480 12919(macro @BeginSections { //@SectionGap @SectionList 1 // @EndSectionsPlace // })m 
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-480 12134(    named @T)m 26(ag {})k 480 11846(    named @Title {})m 480 11558(    named @RunningTitle { dft })m 480 11270(    body @Body)m
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+220 fnt2 480 13207(def @EndSections f)m 6(orce into { @EndSectionsPlace&&preceding } {})k
+480 12919(macro @BeginSections { //@SectionGap @SectionList 1 // @EndSectionsPlace // })m 
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+480 12422(def @Section f)m 6(orce into { @SectionList&&preceding })k 480 12134(    named @T)m 26(ag {})k
+480 11846(    named @Title {})m 480 11558(    named @RunningTitle { dft })m 480 11270(    body @Body)m 480 10982({)m 480 10694(    def @SectionTitle)m
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@@ -19129,7 +19259,7 @@ grestore
 480 6086(    //  @P)m 8(ageMar)k -3(k)k 4(er&&preceding   @T)k 26(agged @T)k 26(ag)k
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 480 5222(})m 
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 240 fnt1 0 0 0 0 240 288 60 LoutGraphic
 gsave
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 grestore
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 pgsave restore
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+%%+ font Times-Italic
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 %%IncludeResource: font Times-Bold
 /Times-Boldfnt5 vec2 /Times-Bold LoutRecode
 /fnt5 { /Times-Boldfnt5 LoutFont } def
+%%IncludeResource: font Times-Italic
+/Times-Italicfnt6 vec2 /Times-Italic LoutRecode
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 %%IncludeResource: font Helvetica
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 gsave
 0 16840 translate
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-1871(Chapter)s 2(s)k 2802(and)s 3228(sections)s 240 fnt5
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 showpage
 
-%%Page: 110 116
+%%Page: 111 117
 %%BeginPageSetup
 %%PageResources: font Times-Roman
-%%+ font Times-Bold
 %%+ font Times-Italic
+%%+ font Times-Bold
 %%+ font Helvetica
 /pgsave save def
 %%IncludeResource: font Times-Roman
 /Times-Romanfnt1 vec2 /Times-Roman LoutRecode
 /fnt1 { /Times-Romanfnt1 LoutFont } def
-%%IncludeResource: font Times-Bold
-/Times-Boldfnt5 vec2 /Times-Bold LoutRecode
-/fnt5 { /Times-Boldfnt5 LoutFont } def
 %%IncludeResource: font Times-Italic
 /Times-Italicfnt6 vec2 /Times-Italic LoutRecode
 /fnt6 { /Times-Italicfnt6 LoutFont } def
+%%IncludeResource: font Times-Bold
+/Times-Boldfnt5 vec2 /Times-Bold LoutRecode
+/fnt5 { /Times-Boldfnt5 LoutFont } def
 %%IncludeResource: font Helvetica
 /Helveticafnt2 vec2 /Helvetica LoutRecode
 /fnt2 { /Helveticafnt2 LoutFont } def
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 1616(45)s 
 grestore
 gsave
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 240 fnt1 0 0 0 0 240 288 60 LoutGraphic
 gsave
-0 LoutMargSet
+1 LoutMargSet
 grestore
 
 grestore
@@ -22005,5 +22143,5 @@ showpage
 %%+  procset LoutFigPrependGraphic
 %%+  procset LoutBasicSetup
 %%+ encoding vec2
-%%Pages: 116
+%%Pages: 117
 %%EOF
diff --git a/doc/expert/pre b/doc/expert/pre
index 644dda8..152529e 100644
--- a/doc/expert/pre
+++ b/doc/expert/pre
@@ -21,6 +21,7 @@
 @Include { pre_hlim }
 @Include { pre_hadj }
 @Include { pre_hsca }
+@Include { pre_hmir }
 @Include { pre_cove }
 @Include { pre_span }
 @Include { pre_scal }
diff --git a/doc/expert/pre_font b/doc/expert/pre_font
index d0d8ac3..88fa35b 100644
--- a/doc/expert/pre_font
+++ b/doc/expert/pre_font
@@ -33,8 +33,13 @@ Basser Lout to be an integral part of the font:  if the font definition
 adjustment of the space between adjacent characters to improve the
 appearance) is done whenever indicated in the font definition.  Enclosing
 one of the letters in @@OneCol is one sure way to disable a ligature or kern.
+You can also turn off ligatures using
+@ID @Code "nolig @Font { ... }"
+and turn them on with
+@ID @Code "lig @Font { ... }"
+Since they are on initially this second option is rarely needed.
 @PP
-The @@Font symbol
+More generally, the @@Font symbol
 font.sym @Index { @@Font symbol }
 returns its right parameter in a font and size specified by its left:
 @ID {
diff --git a/doc/expert/pre_hmir b/doc/expert/pre_hmir
new file mode 100644
index 0000000..147589f
--- /dev/null
+++ b/doc/expert/pre_hmir
@@ -0,0 +1,30 @@
+@Section
+   @Title { "@HMirror" and "@VMirror" }
+   @Tag { hmirror }
+@Begin
+@PP
+hmirro. @Index { @@HMirror symbol }
+vmirro. @Index { @@VMirror symbol }
+mirroring @Index { Mirroring an object }
+reflecting @Index { Reflecting an object }
+@@HMirror and @@VMirror cause their right parameter to be reflected,
+either horizontally or vertically.  For example,
+@ID @Code {
+"@HMirror AMBULANCE"
+}
+has result
+@ID @HMirror AMBULANCE
+and
+@ID @Code {
+"@VMirror AMBULANCE"
+}
+has result
+@ID @VMirror AMBULANCE
+The parameters of these symbols may be arbitrary Lout objects as usual.
+Both symbols have both a @@OneCol and a @@OneRow effect.
+@PP
+In each case the reflection is about the mark of the object (that is,
+the reflected objects have the same marks as the originals), so that,
+for example, when used within a line of text the results are
+@HMirror AMBULANCE and @VMirror AMBULANCE respectively.
+@End @Section
diff --git a/doc/expert/preface b/doc/expert/preface
index be01912..5da3b5d 100644
--- a/doc/expert/preface
+++ b/doc/expert/preface
@@ -21,7 +21,7 @@ This manual presents Version 3 of Basser Lout, publicly released in
 September 1994 @Cite { $kingston1995lout.program } and developed
 continuously since then.  This manual was rendered into PostScript
 postscript @Index { PostScript }
-by Version 3.29 of the Basser Lout interpreter, using the symbols
+by Version 3.30 of the Basser Lout interpreter, using the symbols
 described in the User's Guide @Cite { $kingston1995lout.user }.
 @DP
 @Heading { Acknowledgment. }  Version 3 has benefited from hundreds of
diff --git a/doc/slides/README b/doc/slides/README
index e9f093f..cbcaa2d 100644
--- a/doc/slides/README
+++ b/doc/slides/README
@@ -15,4 +15,4 @@ after the second run.  A copy of the final
 outfile.ps is included.
 
 Jeff Kingston
-14 August 2003
+27 October 2004
diff --git a/doc/slides/outfile.ps b/doc/slides/outfile.ps
index b10b9ee..cc5bb5f 100644
--- a/doc/slides/outfile.ps
+++ b/doc/slides/outfile.ps
@@ -1,6 +1,6 @@
 %!PS-Adobe-3.0
-%%Creator: Basser Lout Version 3.29 (August 2003)
-%%CreationDate: Thu Aug 14 08:18:58 2003
+%%Creator: Basser Lout Version 3.30 (October 2004)
+%%CreationDate: Wed Oct 27 18:34:56 2004
 %%DocumentData: Binary
 %%DocumentNeededResources: (atend)
 %%DocumentSuppliedResources: (atend)
@@ -1899,6 +1899,14 @@ lgraphdict begin
   0 xticklength neg rlineto [] 0 setdash stroke
 } def
 
+% printxgrid: print one x grid line
+% xpos printxgrid -
+/printxgrid
+{ dup newpath
+  yleft trpoint moveto 0 yextra neg rmoveto
+  yright trpoint lineto 0 yextra rlineto [] 0 setdash stroke
+} def
+
 % printxlabel: print one x label
 % (xlabel) xpos printxlabel -
 /printxlabel
@@ -1916,6 +1924,14 @@ lgraphdict begin
   yticklength neg 0 rlineto [] 0 setdash stroke
 } def
 
+% printygrid: print one y grid line
+% ypos printygrid -
+/printygrid
+{ dup newpath
+  xleft exch trpoint moveto xextra neg 0 rmoveto
+  xright exch trpoint lineto xextra 0 rlineto [] 0 setdash stroke
+} def
+
 % printylabel: print one y label
 % (ylabel) ypos printylabel -
 /printylabel
@@ -2190,6 +2206,15 @@ lgraphdict begin
   /printrtick /printrlabel rticks ymin printticks
 } def
 
+% gridstyle: print a frame around the graph, plus a grid
+/gridstyle
+{ 0 0 moveto xsize 0 lineto xsize ysize lineto
+  0 ysize lineto closepath stroke
+  /printxgrid /printxlabel xticks xleft printticks
+  /printygrid /printylabel yticks ymin printticks
+  /printrtick /printrlabel rticks ymin printticks
+} def
+
 % nonestyle: print nothing around the graph
 /nonestyle
 {
@@ -3080,16 +3105,16 @@ grestore
 400 fnt4 1440 8364(Operating)m 3287(Instructions)s
 400 fnt1 1440 7529(1.)m 2240(Press)s 3166(small)s 4123(green)s
 5104(le)s 10(v)k 6(er)k 22(.)k 
-[ /Dest /LOUT22_1490_all_1 /DEST pdfmark
+[ /Dest /LOUT22_1500_all_1 /DEST pdfmark
 1440 6689(2.)m
 2240(W)s 32(ait)k 3077(approximately)s 5468(10)s 5952(seconds)s
 2240 6209(until)m 3065(red)s 3672(light)s 4505(\210ashes.)s 
-[ /Dest /LOUT22_1490_all_2 /DEST pdfmark
+[ /Dest /LOUT22_1500_all_2 /DEST pdfmark
 1440 5369(3.)m
 2240(If)s 2626(smok)s 4(e)k 3757(emer)s 7(ges)k
 5164(from)s 6040(rear)s 6760(of)s 2240 4889(unit,)m 3040(call)s
 3708(Service)s 4997(Department.)s 
-[ /Dest /LOUT22_1490_all_3 /DEST pdfmark
+[ /Dest /LOUT22_1500_all_3 /DEST pdfmark
 
 grestore
 
@@ -3496,9 +3521,9 @@ grestore
 5977(of)s 2240 3961(Computer)m 3938(Science)s 5171(,)s 5349(Uni)s 10(v)k 6(ersity)k
 2240 3481(of)m 2693(Sydne)s 6(y)k 3876(,)s 4054(1995)s
 4830(.)s 
-[ /Dest /LOUT22_1490_all_4 /DEST pdfmark
+[ /Dest /LOUT22_1500_all_4 /DEST pdfmark
 1440 2644(2.)m 2240(\202)s 
-[ /Dest /LOUT22_1490_all_5 /DEST pdfmark
+[ /Dest /LOUT22_1500_all_5 /DEST pdfmark
 
 grestore
 
@@ -3612,29 +3637,29 @@ grestore
 [ /Dest /LOUT26_224_all_19 /DEST pdfmark
 400 fnt1 0 9650(\213)m 800(T)s 14(itle)k
 1632(page,)s 2564(pref)s 4(ace,)k 3912(introduction)s 
-[ /Dest /LOUT22_1490_all_6 /DEST pdfmark
+[ /Dest /LOUT22_1500_all_6 /DEST pdfmark
 0 8810(\213)m
 800(Automatic)s 2574(table)s 3442(of)s 3895(contents)s 
-[ /Dest /LOUT22_1490_all_7 /DEST pdfmark
+[ /Dest /LOUT22_1500_all_7 /DEST pdfmark
 0 8053(\213)m
 800(Pref)s 4(atory)k 2372(pages)s 3365(numbered)s 5060(in)s
 5465(Roman)s 6713(numerals)s 
-[ /Dest /LOUT22_1490_all_8 /DEST pdfmark
+[ /Dest /LOUT22_1500_all_8 /DEST pdfmark
 0 7213(\213)m 800(Chapters,)s 2397(sections,)s
 3861(subsections,)s 5880(appendices)s 
-[ /Dest /LOUT22_1490_all_9 /DEST pdfmark
+[ /Dest /LOUT22_1500_all_9 /DEST pdfmark
 0 6374(\213)m 800(References)s 2656(at)s
 3044(end)s 3718(of)s 4171(chapters)s 5585(or)s 6018(book)s
 
-[ /Dest /LOUT22_1490_all_10 /DEST pdfmark
+[ /Dest /LOUT22_1500_all_10 /DEST pdfmark
 0 5535(\213)m 800(Running)s 2265(page)s 3111(headers)s 
-[ /Dest /LOUT22_1490_all_11 /DEST pdfmark
+[ /Dest /LOUT22_1500_all_11 /DEST pdfmark
 0 4695(\213)m
 800(Odd-e)s 10(v)k 6(en)k 2453(page)s 3299(formats)s
 
-[ /Dest /LOUT22_1490_all_12 /DEST pdfmark
+[ /Dest /LOUT22_1500_all_12 /DEST pdfmark
 0 3855(\213)m 800(Sorted)s 1940(inde)s 6(x)k 
-[ /Dest /LOUT22_1490_all_13 /DEST pdfmark
+[ /Dest /LOUT22_1500_all_13 /DEST pdfmark
 
 grestore
 gsave
diff --git a/doc/user/README b/doc/user/README
index f023e85..715d867 100644
--- a/doc/user/README
+++ b/doc/user/README
@@ -17,8 +17,8 @@ nearly all beginning with "unresolved cross reference".  These
 should gradually go away on later runs.  The following shows the
 error message output on the later runs for A4 size printing:
 
-lout file "str_glos" (from "str" line 15, from "all" line 38):
-     8,1: 1.0c object too high for 0.4c space; will try elsewhere
+lout file "str_foot" (from "str" line 8, from "all" line 38):
+   11,13: 1.0c object too high for 0.6c space; will try elsewhere
 lout file "str_indx" (from "str" line 16, from "all" line 38):
     54,1: 0.3c object too high for 0.2c space; will try elsewhere
 lout file "dia_synt" (from "dia" line 50, from "all" line 45):
@@ -42,7 +42,7 @@ repeated failure to converge, caused by footnotes and floating figures
 close to large unbreakable displays.
 
 A copy of the final PostScript output file (A4 paper size) is
-stored at "ftp://ftp.cs.su.oz.au/jeff/lout/lout-3.29.user.ps.gz".
+stored at "ftp://ftp.it.su.edu.au/jeff/lout/lout-3.30.user.ps.gz".
 
 Jeffrey H. Kingston
-14 August 2003
+27 October 2004
diff --git a/doc/user/all b/doc/user/all
index 343e7fe..937eb4d 100644
--- a/doc/user/all
+++ b/doc/user/all
@@ -22,10 +22,10 @@ Lout
 Document Formatting System
 }
     @Author { Jeffrey H. Kingston }
-    @Edition { Version 3.29
-August, 2003 }
+    @Edition { Version 3.30
+October, 2004 }
     @Publisher {
-Copyright @CopyRight 1991, 2003 Jeffrey H. Kingston,
+Copyright @CopyRight 1991, 2004 Jeffrey H. Kingston,
 School of Information Technologies,
 The University of Sydney 2006, Australia.  ISBN 0 86758 951 5.
 }
diff --git a/doc/user/bas_font b/doc/user/bas_font
index 1241966..dd8442d 100644
--- a/doc/user/bas_font
+++ b/doc/user/bas_font
@@ -662,5 +662,10 @@ kerning. @Index { kerning }
 letters closer together, for example in `VA.'  Lout considers
 ligatures and kerning to be integral parts of each font; you can prevent
 them from happening only by enclosing one of the letters in a
-@Code "@OneCol" symbol, as in {@Code "@OneCol { V }A" }.
+@Code "@OneCol" symbol, as in {@Code "@OneCol { V }A" }.  Alternatively,
+to turn off ligatures you can write
+@ID @Code "nolig @Font { ... }"
+and then ligatures will not be used within the object following
+{@Code "@Font"}.  Should you ever need to turn ligatures on
+within a region where they are turned off, use {@Code "lig @Font"}.
 @End @Section
diff --git a/doc/user/bgr b/doc/user/bgr
index c0dedbf..9855287 100644
--- a/doc/user/bgr
+++ b/doc/user/bgr
@@ -16,6 +16,7 @@ get them beyond the usual @Code "@SysInclude { doc }" or whatever.
 @Include { bgr_outl }
 @Include { bgr_rota }
 @Include { bgr_scal }
+@Include { bgr_mirr }
 @Include { bgr_incl }
 @EndSections
 @End @Chapter
diff --git a/doc/user/bgr_mirr b/doc/user/bgr_mirr
new file mode 100644
index 0000000..6474ba6
--- /dev/null
+++ b/doc/user/bgr_mirr
@@ -0,0 +1,38 @@
+@Section
+   @Title { Mirror reflections }
+   @Tag { mirroring }
+@Begin
+@PP
+The @Code "@HMirror" symbol produces a horizontal mirror reflection
+reflect. @Index { Reflected objects }
+mirror. @Index { Mirror images }
+hmirror. @Index @Code "@HMirror"
+of the following object:
+@ID @Code {
+"@HMirror AMBULANCE"
+}
+produces
+@ID @HMirror AMBULANCE
+The @Code "@VMirror" symbol produces a vertical mirror reflection
+vmirror. @Index @Code "@VMirror"
+of the following object:
+@ID @Code {
+"@VMirror 5c @Wide @Box {"
+"@B { Pond life. }  Pond life includes"
+"frogs, tadpoles, newts, salamanders,"
+"eels, and mosquito larvae."
+"}"
+}
+produces
+@ID @VMirror 5c @Wide @Box {
+@B { Pond life. }  Pond life includes
+frogs, tadpoles, newts, salamanders,
+eels, and mosquito larvae.
+}
+As this example shows, the object to be mirror reflected may be
+arbitrary.  We have used a @Code "@Wide" symbol in this example
+to restrict the width of the result to be five centimetres wide.
+See the description of the @Code "@VShift" symbol in
+Section {@NumberOf include} for what to do if your reflected
+object is not aligned properly with adjacent objects.
+@End @Section
diff --git a/doc/user/fmt_size b/doc/user/fmt_size
index 04ebb5e..7fd138e 100644
--- a/doc/user/fmt_size
+++ b/doc/user/fmt_size
@@ -27,6 +27,7 @@ option to the name of the paper you use:
 @Rowa A { Legal  }	B {  612p }  C { 1008p }
 @Rowa A { Statement }	B {  396p }  C {  612p }
 @Rowa A { Executive }	B {  540p }  C {  720p }
+@Rowa A { A2 }		B { 1190p }  C { 1884p }
 @Rowa A { A3 }		B {  842p }  C { 1190p }
 @Rowa A { A4 }		B {  595p }  C {  842p }
 @Rowa A { A5 }		B {  420p }  C {  595p }
diff --git a/doc/user/gra_over b/doc/user/gra_over
index 5bffe08..b459da8 100644
--- a/doc/user/gra_over
+++ b/doc/user/gra_over
@@ -17,9 +17,11 @@ axes. @Index { axes in graphs }
 graph, whose value may be either {@Code "frame"}, {@Code "none"},
 or {@Code "axes"}.  The default value is {@Code "frame"}, and it produces
 a frame around the graph with ticks and labels along its left and bottom
-edges, as in previous examples.  The {@Code "none"} style prints
-nothing (no frame, no ticks, no labels), which is useful for producing
-graphs that don't look like graphs, as it were.
+edges, as in previous examples.  Value @Code "grid" is similar except
+that the ticks are converted into grid lines crossing the entire
+frame.  The {@Code "none"} style prints nothing (no frame, no ticks,
+no labels), which is useful for producing graphs that don't look like
+graphs, as it were.
 @PP
 If the other value, {@Code "axes"}, is chosen, two other options called
 {@Code xorigin} and {@Code yorigin} become compulsory:
diff --git a/doc/user/preface b/doc/user/preface
index 9e4ba4e..e9c9bab 100644
--- a/doc/user/preface
+++ b/doc/user/preface
@@ -18,17 +18,16 @@ gnu. @Index { GNU Public License }
 primary source is directory
 @ID @Code "ftp://ftp.it.usyd.edu.au/jeff/lout"
 containing a gzipped tar file of the current version
-(currently {@Code "lout-3.29.tar.gz"}), and various other things including
+(currently {@Code "lout-3.30.tar.gz"}), and various other things including
 a PostScript version of this guide.  The distribution contains source code,
 libraries, documentation, license, and installation instructions.
 @PP
 A mailing list has been set up for discussion of all topics related to
-Lout.  To subscribe, send email to @Code "lout-request@ptc.spbu.ru"
-containing the word @Code "subscribe" in the Subject line.  To post an
-item, send email to {@Code "lout@ptc.spbu.ru"}; it will be forwarded to
-all subscribers via email.  To unsubscribe, send email to
-@Code "lout-request@ptc.spbu.ru" containing the word @Code "unsubscribe"
-in the Subject line.
+Lout.  To subscribe (or unsubscribe), visit
+@ID @Code "http://lists.planix.com/mailman/options.cgi/lout-users/"
+After subscribing, to post an item send email to
+{@Code "lout-users@lists.planix.com"}; it will be forwarded to all
+subscribers via email.
 @PP
 Lout began in 1984 as a research project into the design of a high-level
 language for document formatting.  At that time my name for the subject
@@ -56,8 +55,9 @@ page breaking were by my student Gabor Inokai.  Vincent Tan contributed
 the PDF back end.  Valeriy E. Ushakov smoothed the path for many
 people, by his contributions to improving Lout's robustness, and his
 tireless management of and responses to the Lout mailing list.  The
-number of other people who have offered comments and suggestions to me is so
-great that it is quite out of my power to acknowledge them individually.  I
+current mailing list maintainer is Greg Woods.  The number of other
+people who have offered comments and suggestions to me is so great
+that it is quite out of my power to acknowledge them individually.  I
 hope that seeing their ideas adopted will be thanks enough.
 @DP
 @RLD lines @Break {
diff --git a/doc/user/ref_sett b/doc/user/ref_sett
index fe6b99d..da8e8fe 100644
--- a/doc/user/ref_sett
+++ b/doc/user/ref_sett
@@ -65,6 +65,13 @@ won't want it in the same directory as any one of them.  A Unix
 pathname will be more appropriate:
 @ID @Code "@Database @Reference { \"/usr/jeff/lib/refs\" }"
 or whatever.  Quotes are needed because of the @Code "/" characters.
+A separate directory is probably safest anyway, since Lout creates
+files ending in @Code ".ld" in the document directory when sorting out
+cross references (Section {@NumberOf cross}), and clearing these out
+using the Unix command
+@ID @Code "rm lout.li *.ld"
+will destroy your valuable database file if it is kept in the same
+directory.
 @PP
 With the database file created and the @Code "@Database" line in place,
 you are ready to start citing references.  The first time that the
diff --git a/doc/user/str_indx b/doc/user/str_indx
index e836588..a68fc5d 100644
--- a/doc/user/str_indx
+++ b/doc/user/str_indx
@@ -329,6 +329,7 @@ their default values:
 @IndexTypeOrdinary { @PageNum }
 @IndexTypeMain { @B @PageNum }
 @IndexTypeSpecial { @I @PageNum }
+@IndexRangeFormat { @From--@To }
 @IndexColumnNumber { 2 }
 @IndexColumnGap { 1.00c }
 @IndexCtd { Yes }
@@ -387,6 +388,15 @@ If the value of a @Code pnformat option is not {@Code Ordinary},
 itself is printed; it too may contain a @Code "@PageNum" symbol,
 as explained earlier.
 @PP
+{@Code "@IndexRangeFormat"} gives the format to use when a page
+number range, such as 5--8, is to be included in an index entry.
+Within it the symbols @Code "@From" and @Code "To" stand for
+the first and last page numbers respectively.  These will always
+be different when {@Code "@IndexRangeFormat"} is used; Lout knows
+never to insert a range when the two end points are equal.  The
+default value just separates the two numbers by an en-dash with
+no space.
+@PP
 @Code "@IndexColumnNumber" and @Code "@IndexColumnGap" determine the
 indexcolumnnumber. @Index @Code "@IndexColumnNumber"
 indexcolumngap. @Index @Code "@IndexColumnGap"
diff --git a/doc/user/str_list b/doc/user/str_list
index e87a637..7888554 100644
--- a/doc/user/str_list
+++ b/doc/user/str_list
@@ -68,7 +68,8 @@ has result
 swathe of destruction through the State of Georgia? }
 @RawEndList
 }
-The generated labels are added at the left margin.  Here is the full set
+The generated labels are added at the left margin.
+Here is the full set
 of label-generating list symbols, showing the first label produced by each:
 parennumberedlist. @Index @Code "@ParenNumberedList"
 pnl. @Index @Code "@PNL"
@@ -261,6 +262,53 @@ Although @Code "@ListInterruptItem" is written like a list item, the
 result appears to be an interruption to the list.  It may be used
 in any kind of list.
 @PP
+Yet another kind of list item symbol is
+paragraph.item. @Index @Code "@ParagraphItem"
+pi. @Index @Code "@PI"
+{@Code "@ParagraphItem"}, which introduces a list item
+whose labels are integrated into a paragraph:
+@ID @OneRow @Code @Verbatim {
+@Heading { Extract from GNU General Public License }
+@LeftList
+@ParagraphItem {
+You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty ...
+}
+@ParagraphItem {
+You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you ...
+}
+@EndList
+}
+has result
+@ID @OneRow {
+@Heading { Extract from GNU General Public License }
+@LeftList
+@ParagraphItem {
+You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty ...
+}
+@ParagraphItem {
+You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you ...
+}
+@RawEndList
+}
+Since the numbers are part of the item, the kind of list to use
+is just {@Code "@LeftList"} rather than {@Code "@NumberedList"}.
+It would be better if @Code "@ListItem" could be used, but problems
+behind the scenes prevent this.  @Code "@ParagraphItem" has a
+@Code "style" option that works much like the @Code "style" option
+of {@Code "@List"} described just below.
+@PP
 Every symbol introduced in this section has an abbreviated form
 consisting of @Code "@" followed by its capital letters only.  For
 example, @Code "@RawNumberedList" abbreviates to {@Code "@RNL"},
diff --git a/doc/user/typ_book b/doc/user/typ_book
index dec1e20..1e9c081 100644
--- a/doc/user/typ_book
+++ b/doc/user/typ_book
@@ -150,10 +150,19 @@ preface. @Index @Code "@Preface"
 "@End @Preface"
 }
 Since the title of most prefaces is simply Preface, that is the default
-value in English of the @Code "@Title" option.  After the preface there
-will automatically appear a table of contents listing the introduction,
-chapters, sections, subsections, appendices, sub-appendices, bibliography,
-and index as appropriate.
+value in English of the @Code "@Title" option.  Within the preface,
+just before {@Code "@End @Preface"}, there may optionally be a sequence
+of sub-prefaces enclosed in @Code "@BeginSubPrefaces" and
+{@Code "@EndSubPrefaces"}, like this:
+@ID @OneRow @Code @Verbatim {
+@BeginSubPrefaces
+@SubPreface ... @End @SubPreface
+@SubPreface ... @End @SubPreface
+@EndSubPrefaces
+}
+After the preface there will automatically appear a table of contents
+listing the introduction, chapters, sections, subsections, appendices,
+sub-appendices, bibliography, and index as appropriate.
 @PP
 The pages up to this point will be numbered in lower case Roman
 numerals; subsequent pages will be numbered in Arabic starting from
@@ -164,9 +173,9 @@ a setup file option for changing this to a single numbering sequence
 Next comes an optional abbreviations sections, exactly like the
 preface except that its name is @Code "@Abbreviations" and the
 abbreviations. @Index @Code "@Abbreviations"
-default title in English is Abbreviation.  There is no support for
-what goes inside; you need to use a list or table to lay out the
-abbreviations, in the usual way.
+default title in English is Abbreviation.  There are no
+sub-abbreviations, and no support for what goes inside; you need to
+use a list or table to lay out the abbreviations, in the usual way.
 @PP
 Next comes an optional introduction, exactly like the preface except that
 its name is @Code "@Introduction" and the default title in English is
@@ -179,7 +188,14 @@ Introduction:
 "..."
 "@End @Introduction"
 }
-After that comes a sequence of chapters in the usual style:
+It may have sub-introductions, exactly like sub-prefaces:
+@ID @OneRow @Code @Verbatim {
+@BeginSubIntroductions
+@SubIntroduction ... @End @SubIntroduction
+@SubIntroduction ... @End @SubIntroduction
+@EndSubIntroductions
+}
+After the introduction comes a sequence of chapters in the usual style:
 chapter. @Index @Code "@Chapter"
 @ID @OneRow @Code {
 "@Chapter"
diff --git a/externs.h b/externs.h
index 07c44cd..c00f2d8 100644
--- a/externs.h
+++ b/externs.h
@@ -1,7 +1,7 @@
 /*@externs.h:External Declarations:Directories and file conventions@**********/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -95,7 +95,7 @@ extern nl_catd MsgCat;
 /*                                                                           */
 /*****************************************************************************/
 
-#define	LOUT_VERSION   AsciiToFull("Basser Lout Version 3.29 (August 2003)")
+#define	LOUT_VERSION   AsciiToFull("Basser Lout Version 3.30 (October 2004)")
 #define	CROSS_DB	   AsciiToFull("lout")
 #define	SOURCE_SUFFIX	   AsciiToFull(".lt")
 #define	INDEX_SUFFIX	   AsciiToFull(".li")
@@ -585,6 +585,8 @@ typedef void *POINTER;
 #define	STR_SMALL_CAPS_OFF	AsciiToFull("nosmallcaps")
 #define	STR_SMALL_CAPS_SET	AsciiToFull("setsmallcaps")
 #define	STR_BASELINE_MARK	AsciiToFull("baselinemark")
+#define	STR_LIG			AsciiToFull("lig")
+#define	STR_NOLIG		AsciiToFull("nolig")
 #define	STR_XHEIGHT2_MARK	AsciiToFull("xheight2mark")
 
 #define	STR_GAP_RJUSTIFY	AsciiToFull("1rt")
@@ -671,6 +673,7 @@ typedef struct
   BOOLEAN	onobreakfirst	: 1;	/* no break after first line of para */
   BOOLEAN	onobreaklast	: 1;	/* no break after last line of para  */
   BOOLEAN	obaselinemark	: 1;	/* baseline metrics                  */
+  BOOLEAN	oligatures	: 1;	/* use ligatures                     */
 } STYLE;
 
 #define	line_gap(x)	(x).osu1.oline_gap
@@ -691,6 +694,7 @@ typedef struct
 #define	nobreakfirst(x)	(x).onobreakfirst
 #define	nobreaklast(x)	(x).onobreaklast
 #define	baselinemark(x)	(x).obaselinemark
+#define	ligatures(x)	(x).oligatures
 #define	yunit(x)	(x).oyunit
 #define	zunit(x)	(x).ozunit
 #define	outdent_len(x)	(x).ooutdent_len
@@ -711,6 +715,7 @@ typedef struct
   nobreakfirst(x) = nobreakfirst(y),					\
   nobreaklast(x) = nobreaklast(y),					\
   baselinemark(x) = baselinemark(y),					\
+  ligatures(x) = ligatures(y),						\
   vadjust(x) = vadjust(y), 						\
   hadjust(x) = hadjust(y), 						\
   padjust(x) = padjust(y), 						\
@@ -744,6 +749,7 @@ typedef struct
 
 #define	SetConstraint(c,x,y,z)	(bc(c) = (x),   bfc(c) = (y),    fc(c) = (z))
 #define	CopyConstraint(x, y)	(bc(x) = bc(y), bfc(x) = bfc(y), fc(x) = fc(y))
+#define	FlipConstraint(x, y)	(bc(x) = fc(y), bfc(x) = bfc(y), fc(x) = bc(y))
 #define FitsConstraint(b, f, c)	(b <= bc(c)  && b + f <= bfc(c) && f <= fc(c))
 #define EqualConstraint(a, b) (bc(a)==bc(b) && bfc(a)==bfc(b) && fc(a)==fc(b) )
 
@@ -838,6 +844,7 @@ typedef union
 	BOOLEAN		oword_outline	   : 1;
 	LANGUAGE_NUM	oword_language	   : 6;
 	BOOLEAN		oword_baselinemark : 1;
+	BOOLEAN		oword_ligatures	   : 1;
 	unsigned	oword_hyph	   : 1;
   } os22;
 
@@ -1045,6 +1052,7 @@ typedef union
 /*      nobreakfirst    TRUE if break not allowed after first line of para   */
 /*      nobreaklast     TRUE if break not allowed before last line of para   */
 /*      baselinemark    TRUE if mark is to pass through character baseline   */
+/*      ligatures       TRUE if ligatures wanted                             */
 /*                                                                           */
 /*  CONSTRAINT - a constraint on how large some object is allowed to be,     */
 /*               either horizontally or vertically                           */
@@ -1148,10 +1156,11 @@ typedef union
 /*      SIZED           The size of the word                                 */
 /*      word_font       Font to print this word in (from style)              */
 /*      word_colour     Colour to print this word in (from style)            */
-/*      word_texture    texture to print this word in (from style)            */
+/*      word_texture    texture to print this word in (from style)           */
 /*      word_outline    If TRUE, print this word in outline (from style)     */
 /*      word_language   Language (for hyphenation) of this word (from style) */
 /*      word_baselinemark TRUE if mark of this word goes through baseline    */
+/*      word_ligatures  TRUE if ligatures wanted in this word                */
 /*      underline       TRUE if continuous underlining goes under this word  */
 /*      word_hyph       Hyphenation wanted for this word (from style)        */
 /*      word_save_mark  Coord of column mark, temporarily in FixAndPrint     */
@@ -1235,6 +1244,13 @@ typedef union
 /*      shift_gap       The amount to shift                                  */
 /*      first child     The right parameter of this symbol                   */
 /*                                                                           */
+/*  HMIRROR (VMIRROR) - @HMirror (@VMirror) object                           */
+/*                                                                           */
+/*      TOKEN           While still being parsed                             */
+/*      SIZED           The size of the object                               */
+/*      save_mark       used temporarily by FixAndPrintObject                */
+/*      first child     The right parameter of this symbol                   */
+/*                                                                           */
 /*  HSCALE (VSCALE) - @HScale (@VScale) object                               */
 /*                                                                           */
 /*      TOKEN           While still being parsed                             */
@@ -1724,6 +1740,7 @@ typedef union rec
 #define	word_outline(x)		(x)->os1.ou2.os22.oword_outline
 #define	word_language(x)	(x)->os1.ou2.os22.oword_language
 #define	word_baselinemark(x)	(x)->os1.ou2.os22.oword_baselinemark
+#define	word_ligatures(x)	(x)->os1.ou2.os22.oword_ligatures
 #define	spanner_fixed(x)	word_language(x)
 #define	spanner_broken(x)	word_outline(x)
 #define	underline(x)		(x)->os1.ou2.os22.ounderline
@@ -1966,6 +1983,7 @@ typedef struct back_end_rec {
   FULL_CHAR *name;			/* string name of the back end	     */
   BOOLEAN scale_avail;			/* TRUE if @Scale is available	     */
   BOOLEAN rotate_avail;			/* TRUE if @Rotate is available	     */
+  BOOLEAN mirror_avail;			/* TRUE if @HMirror, @VMirror avail  */
   BOOLEAN graphic_avail;		/* TRUE if @Graphic is available     */
   BOOLEAN incgraphic_avail;		/* TRUE if @IncludeGraphic is avail. */
   BOOLEAN plaingraphic_avail;		/* TRUE if @PlainGraphic is avail.   */
@@ -1988,6 +2006,8 @@ typedef struct back_end_rec {
   void (*CoordTranslate)(FULL_LENGTH xdist, FULL_LENGTH ydist);
   void (*CoordRotate)(FULL_LENGTH amount);
   void (*CoordScale)(float hfactor, float vfactor);
+  void (*CoordHMirror)();
+  void (*CoordVMirror)();
   void (*SaveGraphicState)(OBJECT x);
   void (*RestoreGraphicState)(void);
   void (*PrintGraphicObject)(OBJECT x);
@@ -2049,130 +2069,132 @@ typedef struct back_end_rec {
 #define	HIGH		    28		/* to s   @High                      */
 #define	HSHIFT		    29		/* to s   @HShift                    */
 #define	VSHIFT		    30		/* to s   @VShift                    */
-#define	HSCALE		    31		/* to s   @HScale                    */
-#define	VSCALE		    32		/* to s   @VScale                    */
-#define	HCOVER		    33		/* to s   @HCover                    */
-#define	VCOVER		    34		/* to s   @VCover                    */
-#define	SCALE		    35		/* to s   @Scale                     */
-#define	KERN_SHRINK	    36		/* to s   @KernShrink                */
-#define	HCONTRACT	    37		/* to s   @HContract                 */
-#define	VCONTRACT	    38		/* to s   @VContract                 */
-#define	HLIMITED	    39		/* to s   @HLimited                  */
-#define	VLIMITED	    40		/* to s   @VLimited                  */
-#define	HEXPAND		    41		/* to s   @HExpand                   */
-#define	VEXPAND		    42		/* to s   @VExpand                   */
-#define	START_HSPAN	    43		/* to s   @StartHSpan                */
-#define	START_VSPAN 	    44		/* to s   @StartVSpan                */
-#define	START_HVSPAN 	    45		/* to s   @StartHVSpan               */
-#define	HSPAN  		    46		/* to s   @HSpan                     */
-#define	VSPAN  		    47		/* to s   @VSpan                     */
-#define	PADJUST		    48		/* to s   @PAdjust                   */
-#define	HADJUST		    49		/* to s   @HAdjust                   */
-#define	VADJUST		    50		/* to s   @VAdjust                   */
-#define	ROTATE		    51		/* to s   @Rotate                    */
-#define	BACKGROUND	    52		/* to s   @Background                */
-#define	CASE		    53		/* to s   @Case                      */
-#define	VERBATIM	    54		/* to s   @Verbatim                  */
-#define	RAW_VERBATIM	    55		/* to s   @RawVerbatim               */
-#define	YIELD		    56		/* to s   @Yield                     */
-#define	BACKEND		    57		/* to s   @BackEnd                   */
-#define	FILTERED	    58		/* to s   filtered object (no name)  */
-#define	XCHAR		    59		/* to s   @Char                      */
-#define	FONT		    60		/* to s   @Font                      */
-#define	SPACE		    61		/* to s   @Space                     */
-#define	YUNIT		    62		/* to s   @YUnit                     */
-#define	ZUNIT		    63		/* to s   @ZUnit                     */
-#define	BREAK		    64		/* to s   @Break                     */
-#define	UNDERLINE	    65		/* to s   @Underline                 */
-#define	COLOUR		    66		/* to s   @SetColour and @SetColor   */
-#define	TEXTURE		    67		/* to s   @SetTexture                */
-#define	OUTLINE		    68		/* to s   @Outline                   */
-#define	LANGUAGE	    69		/* to s   @Language                  */
-#define	CURR_LANG	    70		/* to s   @CurrLang                  */
-#define	CURR_FAMILY	    71		/* to s   @CurrFamily                */
-#define	CURR_FACE	    72		/* to s   @CurrFace                  */
-#define	CURR_YUNIT	    73		/* to s   @CurrYUnit                 */
-#define	CURR_ZUNIT	    74		/* to s   @CurrZUnit                 */
-#define	COMMON		    75		/* to s   @Common                    */
-#define	RUMP		    76		/* to s   @Rump                      */
-#define	MELD		    77		/* to s   @Meld                      */
-#define	INSERT		    78		/* to s   @Insert                    */
-#define	ONE_OF		    79		/* to s   @OneOf                     */
-#define	NEXT		    80		/* to s   @Next                      */
-#define	PLUS		    81		/* to s   @Plus                      */
-#define	MINUS		    82		/* to s   @Minus                     */
-#define	ENV_OBJ		    83		/* to s   object with envt (no name) */
-#define	ENV		    84		/* to s   @LEnv                      */
-#define	ENVA		    85		/* to s   @LEnvA                     */
-#define	ENVB		    86		/* to s   @LEnvB                     */
-#define	ENVC		    87		/* to s   @LEnvC                     */
-#define	ENVD		    88		/* to s   @LEnvD                     */
-#define	CENV		    89		/* to s   @LCEnv                     */
-#define	CLOS		    90		/* to s   @LClos                     */
-#define	LVIS		    91		/* to s   @LVis                      */
-#define	LUSE		    92		/* to s   @LUse                      */
-#define	LEO 		    93		/* to s   @LEO                       */
-#define	OPEN		    94		/* to s   @Open                      */
-#define	TAGGED		    95		/* to s   @Tagged                    */
-#define	INCGRAPHIC	    96		/* to s   @IncludeGraphic            */
-#define	SINCGRAPHIC	    97		/* to s   @SysIncludeGraphic         */
-#define	PLAIN_GRAPHIC	    98		/* to s   @PlainGraphic              */
-#define	GRAPHIC		    99		/* to s   @Graphic                   */
-#define	LINK_SOURCE	   100		/* to s   @LinkSource                */
-#define	LINK_DEST	   101		/* to s   @LinkDest                  */
-#define	LINK_URL	   102		/* to s   @URLLink                   */
-#define	TSPACE		   103		/* t      a space token, parser only */
-#define	TJUXTA		   104		/* t      a juxta token, parser only */
-#define	LBR		   105		/* t  s   left brace token           */
-#define	RBR		   106		/* t  s   right brace token          */
-#define	BEGIN		   107		/* t  s   @Begin token               */
-#define	END		   108		/* t  s   @End token                 */
-#define	USE		   109		/* t  s   @Use                       */
-#define	NOT_REVEALED	   110		/* t  s   @NotRevealed               */
-#define	GSTUB_NONE	   111		/* t      a galley stub, no rpar     */
-#define	GSTUB_INT	   112		/* t      galley stub internal rpar  */
-#define	GSTUB_EXT	   113		/* t      galley stub external rpar  */
-#define	UNEXPECTED_EOF	   114		/* t      unexpected end of file     */
-#define	INCLUDE		   115		/*    s   @Include                   */
-#define	SYS_INCLUDE	   116		/*    s   @SysInclude                */
-#define	PREPEND		   117		/*    s   @Prepend                   */
-#define	SYS_PREPEND	   118		/*    s   @SysPrepend                */
-#define	INCG_REPEATED	   119		/*    s   @IncludeGraphicRepeated    */
-#define	SINCG_REPEATED     120		/*    s   @SysIncludeGraphicRepeated */
-#define	DATABASE	   121		/*    s   @Database                  */
-#define	SYS_DATABASE	   122		/*    s   @SysDatabase               */
-#define	DEAD		   123		/*   i    a dead galley              */
-#define	UNATTACHED	   124		/*   i    an inner, unsized galley   */
-#define	RECEPTIVE	   125		/*   i    a receptive object index   */
-#define	RECEIVING	   126		/*   i    a receiving object index   */
-#define	RECURSIVE	   127		/*   i    a recursive definite obj.  */
-#define	PRECEDES	   128		/*   i    an ordering constraint     */
-#define	FOLLOWS		   129		/*   i    other end of ordering c.   */
-#define	CROSS_LIT	   130		/*   i    literal word cross-ref     */
-#define	CROSS_FOLL	   131		/*   i    following type cross-ref   */
-#define	CROSS_FOLL_OR_PREC 132		/*   i    follorprec type cross-ref  */
-#define	GALL_FOLL	   133		/*   i    galley with &&following    */
-#define	GALL_FOLL_OR_PREC  134		/*   i    galley with &&following    */
-#define	CROSS_TARG	   135		/*   i    value of cross-ref         */
-#define	GALL_TARG	   136		/*   i    target of these galleys    */
-#define	GALL_PREC	   137		/*   i    galley with &&preceding    */
-#define	CROSS_PREC	   138		/*   i    preceding type cross-ref   */
-#define	PAGE_LABEL_IND	   139		/*   i    index of PAGE_LABEL        */
-#define	SCALE_IND	   140		/*   i    index of auto SCALE        */
-#define	COVER_IND	   141		/*   i    index of HCOVER or VCOVER  */
-#define	EXPAND_IND	   142		/*   i    index of HEXPAND or VEXPD  */
-#define	THREAD		   143		/*        a sequence of threads      */
-#define	CROSS_SYM	   144		/*        cross-ref info             */
-#define	CR_ROOT		   145		/*        RootCross                  */
-#define	MACRO	           146		/*        a macro symbol             */
-#define	LOCAL	           147		/*        a local symbol             */
-#define	LPAR	           148		/*        a left parameter           */
-#define	NPAR	           149		/*        a named parameter          */
-#define	RPAR	           150		/*        a right parameter          */
-#define	EXT_GALL           151		/*        an external galley         */
-#define	CR_LIST	           152		/*        a list of cross references */
-#define	SCOPE_SNAPSHOT     153		/*        a scope snapshot	     */
-#define	DISPOSED           154		/*        a disposed record          */
+#define	HMIRROR		    31		/* to s   @HScale                    */
+#define	VMIRROR		    32		/* to s   @VScale                    */
+#define	HSCALE		    33		/* to s   @HScale                    */
+#define	VSCALE		    34		/* to s   @VScale                    */
+#define	HCOVER		    35		/* to s   @HCover                    */
+#define	VCOVER		    36		/* to s   @VCover                    */
+#define	SCALE		    37		/* to s   @Scale                     */
+#define	KERN_SHRINK	    38		/* to s   @KernShrink                */
+#define	HCONTRACT	    39		/* to s   @HContract                 */
+#define	VCONTRACT	    40		/* to s   @VContract                 */
+#define	HLIMITED	    41		/* to s   @HLimited                  */
+#define	VLIMITED	    42		/* to s   @VLimited                  */
+#define	HEXPAND		    43		/* to s   @HExpand                   */
+#define	VEXPAND		    44		/* to s   @VExpand                   */
+#define	START_HSPAN	    45		/* to s   @StartHSpan                */
+#define	START_VSPAN 	    46		/* to s   @StartVSpan                */
+#define	START_HVSPAN 	    47		/* to s   @StartHVSpan               */
+#define	HSPAN  		    48		/* to s   @HSpan                     */
+#define	VSPAN  		    49		/* to s   @VSpan                     */
+#define	PADJUST		    50		/* to s   @PAdjust                   */
+#define	HADJUST		    51		/* to s   @HAdjust                   */
+#define	VADJUST		    52		/* to s   @VAdjust                   */
+#define	ROTATE		    53		/* to s   @Rotate                    */
+#define	BACKGROUND	    54		/* to s   @Background                */
+#define	CASE		    55		/* to s   @Case                      */
+#define	VERBATIM	    56		/* to s   @Verbatim                  */
+#define	RAW_VERBATIM	    57		/* to s   @RawVerbatim               */
+#define	YIELD		    58		/* to s   @Yield                     */
+#define	BACKEND		    59		/* to s   @BackEnd                   */
+#define	FILTERED	    60		/* to s   filtered object (no name)  */
+#define	XCHAR		    61		/* to s   @Char                      */
+#define	FONT		    62		/* to s   @Font                      */
+#define	SPACE		    63		/* to s   @Space                     */
+#define	YUNIT		    64		/* to s   @YUnit                     */
+#define	ZUNIT		    65		/* to s   @ZUnit                     */
+#define	BREAK		    66		/* to s   @Break                     */
+#define	UNDERLINE	    67		/* to s   @Underline                 */
+#define	COLOUR		    68		/* to s   @SetColour and @SetColor   */
+#define	TEXTURE		    69		/* to s   @SetTexture                */
+#define	OUTLINE		    70		/* to s   @Outline                   */
+#define	LANGUAGE	    71		/* to s   @Language                  */
+#define	CURR_LANG	    72		/* to s   @CurrLang                  */
+#define	CURR_FAMILY	    73		/* to s   @CurrFamily                */
+#define	CURR_FACE	    74		/* to s   @CurrFace                  */
+#define	CURR_YUNIT	    75		/* to s   @CurrYUnit                 */
+#define	CURR_ZUNIT	    76		/* to s   @CurrZUnit                 */
+#define	COMMON		    77		/* to s   @Common                    */
+#define	RUMP		    78		/* to s   @Rump                      */
+#define	MELD		    79		/* to s   @Meld                      */
+#define	INSERT		    80		/* to s   @Insert                    */
+#define	ONE_OF		    81		/* to s   @OneOf                     */
+#define	NEXT		    82		/* to s   @Next                      */
+#define	PLUS		    83		/* to s   @Plus                      */
+#define	MINUS		    84		/* to s   @Minus                     */
+#define	ENV_OBJ		    85		/* to s   object with envt (no name) */
+#define	ENV		    86		/* to s   @LEnv                      */
+#define	ENVA		    87		/* to s   @LEnvA                     */
+#define	ENVB		    88		/* to s   @LEnvB                     */
+#define	ENVC		    89		/* to s   @LEnvC                     */
+#define	ENVD		    90		/* to s   @LEnvD                     */
+#define	CENV		    91		/* to s   @LCEnv                     */
+#define	CLOS		    92		/* to s   @LClos                     */
+#define	LVIS		    93		/* to s   @LVis                      */
+#define	LUSE		    94		/* to s   @LUse                      */
+#define	LEO 		    95		/* to s   @LEO                       */
+#define	OPEN		    96		/* to s   @Open                      */
+#define	TAGGED		    97		/* to s   @Tagged                    */
+#define	INCGRAPHIC	    98		/* to s   @IncludeGraphic            */
+#define	SINCGRAPHIC	    99		/* to s   @SysIncludeGraphic         */
+#define	PLAIN_GRAPHIC	   100		/* to s   @PlainGraphic              */
+#define	GRAPHIC		   101		/* to s   @Graphic                   */
+#define	LINK_SOURCE	   102		/* to s   @LinkSource                */
+#define	LINK_DEST	   103		/* to s   @LinkDest                  */
+#define	LINK_URL	   104		/* to s   @URLLink                   */
+#define	TSPACE		   105		/* t      a space token, parser only */
+#define	TJUXTA		   106		/* t      a juxta token, parser only */
+#define	LBR		   107		/* t  s   left brace token           */
+#define	RBR		   108		/* t  s   right brace token          */
+#define	BEGIN		   109		/* t  s   @Begin token               */
+#define	END		   110		/* t  s   @End token                 */
+#define	USE		   111		/* t  s   @Use                       */
+#define	NOT_REVEALED	   112		/* t  s   @NotRevealed               */
+#define	GSTUB_NONE	   113		/* t      a galley stub, no rpar     */
+#define	GSTUB_INT	   114		/* t      galley stub internal rpar  */
+#define	GSTUB_EXT	   115		/* t      galley stub external rpar  */
+#define	UNEXPECTED_EOF	   116		/* t      unexpected end of file     */
+#define	INCLUDE		   117		/*    s   @Include                   */
+#define	SYS_INCLUDE	   118		/*    s   @SysInclude                */
+#define	PREPEND		   119		/*    s   @Prepend                   */
+#define	SYS_PREPEND	   120		/*    s   @SysPrepend                */
+#define	INCG_REPEATED	   121		/*    s   @IncludeGraphicRepeated    */
+#define	SINCG_REPEATED     122		/*    s   @SysIncludeGraphicRepeated */
+#define	DATABASE	   123		/*    s   @Database                  */
+#define	SYS_DATABASE	   124		/*    s   @SysDatabase               */
+#define	DEAD		   125		/*   i    a dead galley              */
+#define	UNATTACHED	   126		/*   i    an inner, unsized galley   */
+#define	RECEPTIVE	   127		/*   i    a receptive object index   */
+#define	RECEIVING	   128		/*   i    a receiving object index   */
+#define	RECURSIVE	   129		/*   i    a recursive definite obj.  */
+#define	PRECEDES	   130		/*   i    an ordering constraint     */
+#define	FOLLOWS		   131		/*   i    other end of ordering c.   */
+#define	CROSS_LIT	   132		/*   i    literal word cross-ref     */
+#define	CROSS_FOLL	   133		/*   i    following type cross-ref   */
+#define	CROSS_FOLL_OR_PREC 134		/*   i    follorprec type cross-ref  */
+#define	GALL_FOLL	   135		/*   i    galley with &&following    */
+#define	GALL_FOLL_OR_PREC  136		/*   i    galley with &&following    */
+#define	CROSS_TARG	   137		/*   i    value of cross-ref         */
+#define	GALL_TARG	   138		/*   i    target of these galleys    */
+#define	GALL_PREC	   139		/*   i    galley with &&preceding    */
+#define	CROSS_PREC	   140		/*   i    preceding type cross-ref   */
+#define	PAGE_LABEL_IND	   141		/*   i    index of PAGE_LABEL        */
+#define	SCALE_IND	   142		/*   i    index of auto SCALE        */
+#define	COVER_IND	   143		/*   i    index of HCOVER or VCOVER  */
+#define	EXPAND_IND	   144		/*   i    index of HEXPAND or VEXPD  */
+#define	THREAD		   145		/*        a sequence of threads      */
+#define	CROSS_SYM	   146		/*        cross-ref info             */
+#define	CR_ROOT		   147		/*        RootCross                  */
+#define	MACRO	           148		/*        a macro symbol             */
+#define	LOCAL	           149		/*        a local symbol             */
+#define	LPAR	           150		/*        a left parameter           */
+#define	NPAR	           151		/*        a named parameter          */
+#define	RPAR	           152		/*        a right parameter          */
+#define	EXT_GALL           153		/*        an external galley         */
+#define	CR_LIST	           154		/*        a list of cross references */
+#define	SCOPE_SNAPSHOT     155		/*        a scope snapshot	     */
+#define	DISPOSED           156		/*        a disposed record          */
 
 #define is_indefinite(x)  ((x) >= CLOSURE && (x) <= HEAD)
 #define is_header(x)  ((x) >= BEGIN_HEADER && (x) <= CLEAR_HEADER)
@@ -2192,20 +2214,20 @@ typedef struct back_end_rec {
 /*****************************************************************************/
 
 /* sides of a mark */
-#define	BACK	           155		/* means lies to left of mark        */
-#define	ON	           156		/* means lies on mark                */
-#define	FWD	           157		/* means lies to right of mark       */
+#define	BACK	           157		/* means lies to left of mark        */
+#define	ON	           158		/* means lies on mark                */
+#define	FWD	           159		/* means lies to right of mark       */
 
 /* constraint statuses */
-#define	PROMOTE	           158		/* this component may be promoted    */
-#define	CLOSE	           159		/* must close dest before promoting  */
-#define	BLOCK	           160		/* cannot promote this component     */
-#define	CLEAR	           161		/* this constraint is now satisfied  */
+#define	PROMOTE	           160		/* this component may be promoted    */
+#define	CLOSE	           161		/* must close dest before promoting  */
+#define	BLOCK	           162		/* cannot promote this component     */
+#define	CLEAR	           163		/* this constraint is now satisfied  */
 
 /* gap increment types */
-#define	GAP_ABS	           162		/* absolute,  e.g.  3p               */
-#define	GAP_INC	           163		/* increment, e.g. +3p               */
-#define	GAP_DEC	           164		/* decrement, e.g. -3p               */
+#define	GAP_ABS	           164		/* absolute,  e.g.  3p               */
+#define	GAP_INC	           165		/* increment, e.g. +3p               */
+#define	GAP_DEC	           166		/* decrement, e.g. -3p               */
 
 /* gap modes occupying mode(x) */
 #define	NO_MODE		     0		/* for error detection: no mode      */
@@ -2416,6 +2438,8 @@ typedef struct back_end_rec {
 #define	KW_CLEAR_HEADER		AsciiToFull("@ClearHeaderComponent")
 #define	KW_ONE_COL		AsciiToFull("@OneCol")
 #define	KW_ONE_ROW		AsciiToFull("@OneRow")
+#define	KW_HMIRROR		AsciiToFull("@HMirror")
+#define	KW_VMIRROR		AsciiToFull("@VMirror")
 #define	KW_HSCALE		AsciiToFull("@HScale")
 #define	KW_VSCALE		AsciiToFull("@VScale")
 #define	KW_HCOVER		AsciiToFull("@HCover")
@@ -3155,6 +3179,7 @@ extern	void	  SetNeighbours(OBJECT link, BOOLEAN ratm, OBJECT *pg,
 extern	void	  AdjustSize(OBJECT x, FULL_LENGTH b, FULL_LENGTH f, int dim);
 
 /*****  z17.c	  Gap Widths		**************************************/
+extern	int	  GetWidth(OBJECT x, STYLE *style);
 extern	void	  GetGap(OBJECT x, STYLE *style, GAP *res_gap,
 		    unsigned *res_inc);
 extern	FULL_LENGTH  MinGap(FULL_LENGTH a, FULL_LENGTH b, FULL_LENGTH c, GAP *xgap);
@@ -3338,6 +3363,8 @@ extern	FONT_INFO *finfo;
 extern	int	  font_curr_page;
 extern	void	  FontInit(void);
 extern	void	  FontChange(STYLE *style, OBJECT x);
+extern	FULL_LENGTH FontKernLength(FONT_NUM fnum, FULL_CHAR *unacc_map,
+  FULL_CHAR ch1, FULL_CHAR ch2);
 extern	void	  FontWordSize(OBJECT x);
 extern	FULL_LENGTH  FontSize(FONT_NUM fnum, OBJECT x);
 extern	FULL_LENGTH  FontHalfXHeight(FONT_NUM fnum);
diff --git a/include/book b/include/book
index 09c8fa4..ea0b494 100644
--- a/include/book
+++ b/include/book
@@ -168,6 +168,7 @@
   # @IndexTypeOrdinary	{ @PageNum		} # Ordinary pagenum format
   # @IndexTypeMain	{ @B @PageNum		} # Main pagenum format
   # @IndexTypeSpecial	{ @I @PageNum		} # Special pagenum format
+  # @IndexRangeFormat	{ @From--@To		} # index page range format
   # @IndexColumnNumber	{ 2			} # index columns (1 to 10)
   # @IndexColumnGap	{ 1.00c	@OrIfPlain 6s	} # index column gap
   # @IndexCtd		{ Yes			} # include (ctd.) lines
@@ -187,6 +188,7 @@
   # @IndexATypeOrdinary	{ @PageNum		} # Ordinary pagenum format
   # @IndexATypeMain	{ @B @PageNum		} # Main pagenum format
   # @IndexATypeSpecial	{ @I @PageNum		} # Special pagenum format
+  # @IndexARangeFormat	{ @From--@To		} # index page range format
   # @IndexAColumnNumber	{ 2			} # index A columns (1 to 10)
   # @IndexAColumnGap	{ 1.00c	@OrIfPlain 6s	} # index A column gap
   # @IndexACtd		{ Yes			} # include (ctd.) lines
@@ -333,6 +335,10 @@
   # @IndexAWord			{ index		} # word for "Index" (A)
   # @IndexBWord			{ index		} # word for "Index" (B)
   # @ColophonWord		{ colophon	} # word for "Colophon"
+  # @SubPrefaceNumbers          { None          } # kind of sub-preface numbers
+  # @FirstSubPrefaceNumber      { 1             } # first sub-preface number (Arabic)
+  # @SubIntroductionNumbers     { None          } # kind of sub-introduction numbers
+  # @FirstSubIntroductionNumber { 1             } # first sub-introduction number
   # @ChapterNumbers		{ Arabic	} # kind of chapter numbers
   # @FirstChapterNumber		{ 1		} # first chapter number (Arabic)
   # @SectionNumbers		{ Arabic	} # kind of section numbers
@@ -353,6 +359,12 @@
   # @ChapterHeadingFont		{ Bold 2.00f		} # chapter head font
   # @ChapterHeadingBreak	{ ragged 1.2fx nohyphen	} # chapter head break
   # @ChapterHeadingFormat	{ number @DotSep title	} # format of chap. head
+  # @SubPrefaceHeadingFont	{ Bold			} # sub-preface head font
+  # @SubPrefaceHeadingBreak	{ ragged 1.2fx nohyphen	} # sub-preface head break
+  # @SubPrefaceHeadingFormat	{ number @DotSep title	} # format of s.-p. head
+  # @SubIntroductionHeadingFont	{ Bold			} # sub-intro head font
+  # @SubIntroductionHeadingBreak { ragged 1.2fx nohyphen} # sub-intro head break
+  # @SubIntroductionHeadingFormat { number @DotSep title} # format of sub-intro. hd
   # @SectionHeadingFont		{ Bold			} # section head font
   # @SectionHeadingBreak	{ ragged 1.2fx nohyphen	} # section head break
   # @SectionHeadingFormat	{ number @DotSep title	} # section head fmt
@@ -373,14 +385,18 @@
   # @SubSubAppendixHeadingFormat{ number @DotSep title	} # sub-suba. head fmt
   # @AbovePartGap		{ 4.00f			} # gap above part title
   # @AboveChapterGap		{ 3.00f			} # above major titles
+  # @SubPrefaceGap		{ 2.0v	@OrIfPlain 3f	} # between sub-prefaces
+  # @SubIntroductionGap		{ 2.0v	@OrIfPlain 3f	} # between sub-intros
   # @SectionGap			{ 2.0v	@OrIfPlain 3f	} # between sections
   # @SubSectionGap		{ 1.5v	@OrIfPlain 2f	} # between subsects
   # @SubSubSectionGap		{ 1.5v	@OrIfPlain 2f	} # between sub-subs.
   # @SubAppendixGap		{ 2.0v	@OrIfPlain 3f	} # between subappendices
   # @SubSubAppendixGap		{ 1.5v	@OrIfPlain 2f	} # between sub-subapps
   # @PrefaceInContents		{ Yes		} # add preface to contents
+  # @SubPrefaceInContents	{ No		} # add sub-preface to contents
   # @AbbreviationsInContents	{ Yes		} # add abbreviations to contents
   # @IntroductionInContents	{ Yes		} # add introduction to contents
+  # @SubIntroductionInContents	{ No		} # add sub-intro to contents
   # @PartInContents		{ Yes		} # add parts to contents
   # @ChapterInContents		{ Yes		} # add chapters to contents
   # @SectionInContents		{ Yes		} # add sections to contents
@@ -396,6 +412,8 @@
   # @IndexBInContents		{ Yes		} # add index B to contents
   # @ColophonInContents		{ Yes		} # add colophon to contents
   # @PartContentsIndent         { 0.5rt		} # indent of part contents entry
+  # @SubPrefaceNumInTheorems	{ No		} # theorem num has sub-preface num
+  # @SubIntroductionNumInTheorems { No		} # theorem num has sub-intro num
   # @ChapterNumInTheorems	{ Yes		} # theorem num has chapter num
   # @SectionNumInTheorems	{ No		} # theorem num has section num
   # @SubSectionNumInTheorems	{ No		} # theorem num has subsect num
@@ -403,6 +421,8 @@
   # @AppendixNumInTheorems	{ Yes		} # theorem num has appendix num
   # @SubAppendixNumInTheorems	{ No		} # theorem num has sub-app num
   # @SubSubAppendixNumInTheorems{ No		} # theorem num has sub-sa. num
+  # @SubPrefaceNumInDisplays	{ No		} # display num has sub-preface num
+  # @SubIntroductionNumInDisplays { No		} # display num has sub-intro num
   # @ChapterNumInDisplays	{ Yes		} # display num has chapter num
   # @SectionNumInDisplays	{ Yes		} # display num has section num
   # @SubSectionNumInDisplays	{ No		} # display num has subsect num
@@ -410,6 +430,8 @@
   # @AppendixNumInDisplays	{ Yes		} # display num has appendix num
   # @SubAppendixNumInDisplays	{ Yes		} # display num has sub-app num
   # @SubSubAppendixNumInDisplays{ No		} # display num has sub-sa. num
+  # @SubPrefaceNumInFigures	{ No		} # figure num has sub-preface num
+  # @SubIntroductionumInFigures	{ No		} # figure num has sub-intro num
   # @ChapterNumInFigures	{ Yes		} # figure num has chapter num
   # @SectionNumInFigures	{ No		} # figure num has section num
   # @SubSectionNumInFigures	{ No		} # figure num has subsect num
@@ -417,6 +439,8 @@
   # @AppendixNumInFigures	{ Yes		} # figure num has appendix num
   # @SubAppendixNumInFigures	{ No		} # figure num has sub-app num
   # @SubSubAppendixNumInFigures	{ No		} # figure num has sub-sa. num
+  # @SubPrefaceNumInTables	{ No		} # table num has sub-preface num
+  # @SubIntroductionumInTables	{ No		} # table num has sub-intro num
   # @ChapterNumInTables		{ Yes		} # table num has chapter num
   # @SectionNumInTables		{ No		} # table num has section num
   # @SubSectionNumInTables	{ No		} # table num has subsect num
@@ -424,6 +448,8 @@
   # @AppendixNumInTables	{ Yes		} # table num has appendix num
   # @SubAppendixNumInTables	{ No		} # table num has sub-app num
   # @SubSubAppendixNumInTables	{ No		} # table num has sub-sa. num
+  # @SubPrefaceNumInRunners 	{ No		} # runners have sub-preface num
+  # @SubIntroductionNumInRunners { No		} # runners have sub-intro num
   # @SectionNumInRunners 	{ Yes		} # runners have section num
   # @SubSectionNumInRunners 	{ No		} # runners have subsect num
   # @SubSubSectionNumInRunners 	{ No		} # runners have sub-ss. num
diff --git a/include/bookf b/include/bookf
index 6aff163..9dd1a96 100644
--- a/include/bookf
+++ b/include/bookf
@@ -33,6 +33,10 @@ def @BookSetup
     named @IndexBWord			{  index			}
     named @ColophonWord			{  colophon			}
 
+    named @SubPrefaceNumbers		{  None				}
+    named @FirstSubPrefaceNumber	{  1				}
+    named @SubIntroductionNumbers	{  None				}
+    named @FirstSubIntroductionNumber	{  1				}
     named @ChapterNumbers		{  Arabic			}
     named @FirstChapterNumber		{  1				}
     named @SectionNumbers		{  Arabic			}
@@ -58,6 +62,16 @@ def @BookSetup
     named @ChapterHeadingFormat
 	left number right title		{  number @DotSep title    	}
 
+    named @SubPrefaceHeadingFont	{  Bold				}
+    named @SubPrefaceHeadingBreak	{  ragged 1.2fx nohyphen	}
+    named @SubPrefaceHeadingFormat
+	left number right title		{  number @DotSep title    	}
+
+    named @SubIntroductionHeadingFont	{  Bold				}
+    named @SubIntroductionHeadingBreak	{  ragged 1.2fx nohyphen	}
+    named @SubIntroductionHeadingFormat
+	left number right title		{  number @DotSep title    	}
+
     named @SectionHeadingFont		{  Bold				}
     named @SectionHeadingBreak		{  ragged 1.2fx nohyphen	}
     named @SectionHeadingFormat
@@ -90,6 +104,8 @@ def @BookSetup
 
     named @AbovePartGap			{  4.00f			}
     named @AboveChapterGap		{  3.00f			}
+    named @SubPrefaceGap		{  2.0v  @OrIfPlain 3f		}
+    named @SubIntroductionGap		{  2.0v  @OrIfPlain 3f		}
     named @SectionGap			{  2.0v  @OrIfPlain 3f		}
     named @SubSectionGap		{  1.5v  @OrIfPlain 2f		}
     named @SubSubSectionGap		{  1.5v  @OrIfPlain 2f		}
@@ -97,8 +113,10 @@ def @BookSetup
     named @SubSubAppendixGap		{  1.5v  @OrIfPlain 2f		}
 
     named @PrefaceInContents		{  Yes 				}
+    named @SubPrefaceInContents		{  No 				}
     named @AbbreviationsInContents	{  Yes				}
     named @IntroductionInContents	{  Yes				}
+    named @SubIntroductionInContents	{  No				}
     named @PartInContents		{  Yes				}
     named @ChapterInContents		{  Yes				}
     named @SectionInContents		{  Yes				}
@@ -115,6 +133,8 @@ def @BookSetup
     named @ColophonInContents		{  Yes				}
     named @PartContentsIndent		{  0.5rt			}
 
+    named @SubPrefaceNumInTheorems	{  No				}
+    named @SubIntroductionNumInTheorems	{  No				}
     named @ChapterNumInTheorems		{  Yes				}
     named @SectionNumInTheorems		{  No				}
     named @SubSectionNumInTheorems	{  No				}
@@ -123,6 +143,8 @@ def @BookSetup
     named @SubAppendixNumInTheorems	{  No				}
     named @SubSubAppendixNumInTheorems	{  No				}
 
+    named @SubPrefaceNumInDisplays	{  No				}
+    named @SubIntroductionNumInDisplays	{  No				}
     named @ChapterNumInDisplays		{  Yes				}
     named @SectionNumInDisplays		{  Yes				}
     named @SubSectionNumInDisplays	{  No				}
@@ -131,6 +153,8 @@ def @BookSetup
     named @SubAppendixNumInDisplays	{  Yes				}
     named @SubSubAppendixNumInDisplays	{  No				}
 
+    named @SubPrefaceNumInFigures	{  No				}
+    named @SubIntroductionNumInFigures	{  No				}
     named @ChapterNumInFigures		{  Yes				}
     named @SectionNumInFigures		{  No				}
     named @SubSectionNumInFigures	{  No				}
@@ -139,6 +163,8 @@ def @BookSetup
     named @SubAppendixNumInFigures	{  No				}
     named @SubSubAppendixNumInFigures	{  No				}
 
+    named @SubPrefaceNumInTables	{  No				}
+    named @SubIntroductionNumInTables	{  No				}
     named @ChapterNumInTables		{  Yes				}
     named @SectionNumInTables		{  No				}
     named @SubSectionNumInTables	{  No				}
@@ -147,6 +173,8 @@ def @BookSetup
     named @SubAppendixNumInTables	{  No				}
     named @SubSubAppendixNumInTables	{  No				}
 
+    named @SubPrefaceNumInRunners	{  No				}
+    named @SubIntroductionNumInRunners	{  No				}
     named @SectionNumInRunners		{  Yes				}
     named @SubSectionNumInRunners	{  No				}
     named @SubSubSectionNumInRunners	{  No				}
@@ -184,6 +212,20 @@ def @BookSetup
     }
 
     export num
+    def @SubPrefaceList named @Tag {} right num
+    {
+	@Galley
+        //@SubPrefaceGap	@SubPrefaceList @Next num
+    }
+
+    export num
+    def @SubIntroductionList named @Tag {} right num
+    {
+	@Galley
+        //@SubIntroductionGap	@SubIntroductionList @Next num
+    }
+
+    export num
     def @SectionList named @Tag {} right num
     {
 	@Galley
@@ -797,6 +839,7 @@ def @BookSetup
     #                                                                     #
     #######################################################################
 
+    export @BeginSubPrefaces @EndSubPrefaces @SubPreface
     def @Preface force into { @PrefacePlace&&preceding }
         named @Tag {}
         named @Title { preface @WordVal @PrefaceWord }
@@ -804,6 +847,60 @@ def @BookSetup
 	named @InitialLanguage {}
         body @Body
     {
+        def @EndSubPrefacesPlace { @Galley }
+
+        def @EndSubPrefaces force into { @EndSubPrefacesPlace&&preceding }
+	{}
+
+        macro @BeginSubPrefaces
+	{   //@SubPrefaceGap @SubPrefaceList @FirstSubPrefaceNumber
+	    // @EndSubPrefacesPlace //
+	}
+
+        def @SubPreface force into { @SubPrefaceList&&preceding }
+            named @Tag {}
+            named @Title {}
+            named @RunningTitle { dft }
+	    named @InitialLanguage { @InitialLanguage }
+	    named @BypassNumber { dft }
+            body @Body
+        {
+
+	    def @SubPrefaceShortNum
+	    {
+		@SubPrefaceNumbers @Then {
+		    @BypassNumber @Dft {
+			@SubPrefaceNumbers @Num
+			{ @SectionList&&@Tag @Open { num } }
+		    }
+		}
+	    }
+
+	    @LargeScaleStructure
+		tag { @Tag }
+		type { Minor }
+		initiallanguage { @InitialLanguage }
+		title { @Title }
+		runningtitle { @RunningTitle }
+		headingfont { @SubPrefaceHeadingFont }
+		headingbreak { @SubPrefaceHeadingBreak }
+		headingformat { @Num @SubPrefaceHeadingFormat @Body }
+		incontents { @SubPrefaceInContents }
+		contentsindent { 3f }
+		numbers { @SubPrefaceNumbers }
+		attachnum { @SubPrefaceList&&preceding @Tagged @Tag }
+		retrievenum { @SubPrefaceList&&@Tag @Open { num } }
+		bypassnumber { @BypassNumber }
+		prefix { @Null }
+		majornum { @Null }
+		majortitle { @Null }
+		intheorems { @SubPrefaceNumInTheorems }
+		indisplays { @SubPrefaceNumInDisplays }
+		infigures { @SubPrefaceNumInFigures }
+		intables { @SubPrefaceNumInTables }
+		inrunners { @SubPrefaceNumInRunners }
+		@Body
+        }
 
 	@LargeScaleStructure
 	    tag { @Tag }
@@ -865,6 +962,7 @@ def @BookSetup
     #                                                                     #
     #######################################################################
 
+    export @BeginSubIntroductions @EndSubIntroductions @SubIntroduction
     def @Introduction force into { @IntroductionPlace&&preceding }
         named @Tag {}
         named @Title { introduction @WordVal @IntroductionWord }
@@ -873,6 +971,61 @@ def @BookSetup
         body @Body
     {
 
+        def @EndSubIntroductionsPlace { @Galley }
+
+        def @EndSubIntroductions force into { @EndSubIntroductionsPlace&&preceding }
+	{}
+
+        macro @BeginSubIntroductions
+	{   //@SubIntroductionGap @SubIntroductionList @FirstSubIntroductionNumber
+	    // @EndSubIntroductionsPlace //
+	}
+
+        def @SubIntroduction force into { @SubIntroductionList&&preceding }
+            named @Tag {}
+            named @Title {}
+            named @RunningTitle { dft }
+	    named @InitialLanguage { @InitialLanguage }
+	    named @BypassNumber { dft }
+            body @Body
+        {
+
+	    def @SubIntroductionShortNum
+	    {
+		@SubIntroductionNumbers @Then {
+		    @BypassNumber @Dft {
+			@SubIntroductionNumbers @Num
+			{ @SectionList&&@Tag @Open { num } }
+		    }
+		}
+	    }
+
+	    @LargeScaleStructure
+		tag { @Tag }
+		type { Minor }
+		initiallanguage { @InitialLanguage }
+		title { @Title }
+		runningtitle { @RunningTitle }
+		headingfont { @SubIntroductionHeadingFont }
+		headingbreak { @SubIntroductionHeadingBreak }
+		headingformat { @Num @SubIntroductionHeadingFormat @Body }
+		incontents { @SubIntroductionInContents }
+		contentsindent { 3f }
+		numbers { @SubIntroductionNumbers }
+		attachnum { @SubIntroductionList&&preceding @Tagged @Tag }
+		retrievenum { @SubIntroductionList&&@Tag @Open { num } }
+		bypassnumber { @BypassNumber }
+		prefix { @Null }
+		majornum { @Null }
+		majortitle { @Null }
+		intheorems { @SubIntroductionNumInTheorems }
+		indisplays { @SubIntroductionNumInDisplays }
+		infigures { @SubIntroductionNumInFigures }
+		intables { @SubIntroductionNumInTables }
+		inrunners { @SubIntroductionNumInRunners }
+		@Body
+        }
+
 	@LargeScaleStructure
 	    tag { @Tag }
 	    type { Major }
@@ -889,7 +1042,6 @@ def @BookSetup
 	    innergap { @SectionGap }
 	    inrunners { Yes }
 	    @Body
-
     }
 
 
diff --git a/include/bsf b/include/bsf
index dbf7eeb..76b0f1a 100644
--- a/include/bsf
+++ b/include/bsf
@@ -183,6 +183,7 @@ export
     @RawRightAlignedNumberedDisplay
 
     @ListItem
+    @ParagraphItem
     @ListInterruptItem
     @ListNewPage
     @DropListItem
@@ -1427,6 +1428,7 @@ def @BasicSetup
 
 
     def @ItemPlace          { @Galley }
+    def @ParagraphItemPlace { @Galley }
     def @InterruptItemPlace { @Galley }
     def @NewPageItemPlace   { @Galley }
     def @TagPlace           { @Galley }
@@ -1455,6 +1457,13 @@ def @BasicSetup
 	        //gap  @MakeList @NotRevealed @Next num
 	    }
 
+	    def @ParagraphItem
+	    {
+		@NumberMarker @Value {num} {style type num} &0io
+	        |indent  @ParagraphItemPlace  |rightindent
+	        //gap  @MakeList @NotRevealed @Next num
+	    }
+
 	    def @InterruptItem
 	    {
 		@InterruptItemPlace
@@ -1470,6 +1479,7 @@ def @BasicSetup
 	    @OneOf
 	    {
 		@NormalItem
+		@ParagraphItem
 		@InterruptItem
 		@NewPageItem
 	    }
@@ -1496,6 +1506,23 @@ def @BasicSetup
 	// @PageMark @Tag   # weird placement, but @PageMark is definite now
     }
 
+    def paragraphitem
+        named @Tag {}
+	named style right tag { @ParaIndent @Wide & tag. &2s }
+	right x
+    {
+
+	def sendparagraphitem into { @ParagraphItemPlace&&preceding }
+	   named tag { @Tag }
+	{
+	  @NumberMarker&&preceding @Tagged @Tag
+	  // { style @NumberMarker&&@Tag @Open { @Value } } @Insert x
+	  // @PageMark @Tag
+	}
+
+	sendparagraphitem
+    }
+
     def droplistitem into { @ItemPlace&&preceding }
 	named @Tag {}
 	right x
@@ -1535,6 +1562,7 @@ def @BasicSetup
 
 
     macro @LI   @ListItem		{ // listitem			}
+    macro @PI   @ParagraphItem		{ // paragraphitem			}
     macro @LII  @ListInterruptItem	{ // listinterruptitem		}
     macro @LNP  @ListNewPage		{ // listnewpage		}
     macro @DLI  @DropListItem		{ // droplistitem		}
diff --git a/include/doc b/include/doc
index 6138687..d5df7e3 100644
--- a/include/doc
+++ b/include/doc
@@ -167,6 +167,7 @@
   # @IndexTypeOrdinary	{ @PageNum		} # Ordinary pagenum format
   # @IndexTypeMain	{ @B @PageNum		} # Main pagenum format
   # @IndexTypeSpecial	{ @I @PageNum		} # Special pagenum format
+  # @IndexRangeFormat	{ @From--@To		} # index page range format
   # @IndexColumnNumber	{ 2			} # index columns (1 to 10)
   # @IndexColumnGap	{ 1.00c	@OrIfPlain 6s	} # index column gap
   # @IndexCtd		{ Yes			} # include (ctd.) lines
@@ -186,6 +187,7 @@
   # @IndexATypeOrdinary	{ @PageNum		} # Ordinary pagenum format
   # @IndexATypeMain	{ @B @PageNum		} # Main pagenum format
   # @IndexATypeSpecial	{ @I @PageNum		} # Special pagenum format
+  # @IndexARangeFormat	{ @From--@To		} # index page range format
   # @IndexAColumnNumber	{ 2			} # index A columns (1 to 10)
   # @IndexAColumnGap	{ 1.00c	@OrIfPlain 6s	} # index A column gap
   # @IndexACtd		{ Yes			} # include (ctd.) lines
@@ -205,6 +207,7 @@
   # @IndexBTypeOrdinary	{ @PageNum		} # Ordinary pagenum format
   # @IndexBTypeMain	{ @B @PageNum		} # Main pagenum format
   # @IndexBTypeSpecial	{ @I @PageNum		} # Special pagenum format
+  # @IndexBRangeFormat	{ @From--@To		} # index page range format
   # @IndexBColumnNumber	{ 2			} # index B columns (1 to 10)
   # @IndexBColumnGap	{ 1.00c	@OrIfPlain 6s	} # index B column gap
   # @IndexBCtd		{ Yes			} # include (ctd.) lines
diff --git a/include/dsf b/include/dsf
index 2d3fa2b..e992795 100644
--- a/include/dsf
+++ b/include/dsf
@@ -273,6 +273,9 @@ def @DocumentSetup
 	right @PageNum		{  @B @PageNum		} # main page numbers
     named @IndexTypeSpecial
 	right @PageNum		{  @I @PageNum		} # special page numbers
+    named @IndexRangeFormat
+	left @From
+	right @To		{  @From--@To		}
     named @IndexColumnNumber	{  2			} # index columns (1 to 10)
     named @IndexColumnGap	{  1.00c @OrIfPlain 6s	} # index column gap
     named @IndexCtd		{  Yes			} # include (ctd.) lines
@@ -302,6 +305,9 @@ def @DocumentSetup
 	right @PageNum		{  @B @PageNum		} # main page numbers
     named @IndexATypeSpecial
 	right @PageNum		{  @I @PageNum		} # special page numbers
+    named @IndexARangeFormat
+	left @From
+	right @To		{  @From--@To		}
     named @IndexAColumnNumber	{  2			} # index A columns (1 to 10)
     named @IndexAColumnGap	{  1.00c @OrIfPlain 6s	} # index A column gap
     named @IndexACtd		{  Yes			} # include (ctd.) lines
@@ -331,6 +337,9 @@ def @DocumentSetup
 	right @PageNum		{  @B @PageNum		} # main page numbers
     named @IndexBTypeSpecial
 	right @PageNum		{  @I @PageNum		} # special page numbers
+    named @IndexBRangeFormat
+	left @From
+	right @To		{  @From--@To		}
     named @IndexBColumnNumber	{  2			} # index B columns (1 to 10)
     named @IndexBColumnGap	{  1.00c @OrIfPlain 6s	} # index B column gap
     named @IndexBCtd		{  Yes			} # include (ctd.) lines
@@ -725,6 +734,7 @@ def @DocumentSetup
 	    Legal       @Yield  612p
 	    Statement   @Yield  396p
 	    Executive   @Yield  540p
+	    A2          @Yield 1190p
 	    A3          @Yield  842p
 	    A4          @Yield  595p
 	    A5          @Yield  420p
@@ -746,6 +756,7 @@ def @DocumentSetup
 	    Legal       @Yield 1008p
 	    Statement   @Yield  612p
 	    Executive   @Yield  720p
+	    A2          @Yield 1684p
 	    A3          @Yield 1190p
 	    A4          @Yield  842p
 	    A5          @Yield  595p
@@ -4274,7 +4285,7 @@ def @DocumentSetup
 		    { @PageOf @Tag } @Case
 		    {
 			{ @PageOf to } @Yield { @PgMk @Tag }
-			else	       @Yield { {@PgMk @Tag}--{@PgMk to} }
+			else	       @Yield { {@PgMk @Tag} @IndexRangeFormat {@PgMk to} }
 		    }
 		}
 	    }
@@ -4483,7 +4494,7 @@ def @DocumentSetup
 		    { @PageOf @Tag } @Case
 		    {
 			{ @PageOf to } @Yield { @PgMk @Tag }
-			else	       @Yield { {@PgMk @Tag}--{@PgMk to} }
+			else	       @Yield { {@PgMk @Tag} @IndexARangeFormat {@PgMk to} }
 		    }
 		}
 	    }
@@ -4692,7 +4703,7 @@ def @DocumentSetup
 		    { @PageOf @Tag } @Case
 		    {
 			{ @PageOf to } @Yield { @PgMk @Tag }
-			else	       @Yield { {@PgMk @Tag}--{@PgMk to} }
+			else	       @Yield { {@PgMk @Tag} @IndexBRangeFormat {@PgMk to} }
 		    }
 		}
 	    }
diff --git a/include/graphf b/include/graphf
index 8bb9d05..d2d3175 100644
--- a/include/graphf
+++ b/include/graphf
@@ -809,6 +809,7 @@ def @Graph
     {
 	style @Case {
 	    frame    @Yield { "framestyle" }
+	    grid     @Yield { "gridstyle"  }
 	    none     @Yield { "nonestyle"  }
 	    axes     @Yield { "axesstyle"  }
 	}
@@ -820,6 +821,7 @@ def @Graph
 	    "none" @Yield {
 		style @Case {
 	            frame    @Yield { "0.5 cm" }
+	            grid     @Yield { "0" }
 	            none     @Yield { "0"  }
 	            axes     @Yield { "0"  }
 		}
@@ -834,6 +836,7 @@ def @Graph
 	    "none" @Yield {
 		style @Case {
 	            frame @Yield { "0.5 cm" }
+	            grid     @Yield { "0" }
 	            none  @Yield { "0"  }
 	            axes  @Yield { "0"  }
 		}
diff --git a/include/graphf.lpg b/include/graphf.lpg
index 5546586..f85dc77 100644
--- a/include/graphf.lpg
+++ b/include/graphf.lpg
@@ -534,6 +534,14 @@ lgraphdict begin
   0 xticklength neg rlineto [] 0 setdash stroke
 } def
 
+% printxgrid: print one x grid line
+% xpos printxgrid -
+/printxgrid
+{ dup newpath
+  yleft trpoint moveto 0 yextra neg rmoveto
+  yright trpoint lineto 0 yextra rlineto [] 0 setdash stroke
+} def
+
 % printxlabel: print one x label
 % (xlabel) xpos printxlabel -
 /printxlabel
@@ -551,6 +559,14 @@ lgraphdict begin
   yticklength neg 0 rlineto [] 0 setdash stroke
 } def
 
+% printygrid: print one y grid line
+% ypos printygrid -
+/printygrid
+{ dup newpath
+  xleft exch trpoint moveto xextra neg 0 rmoveto
+  xright exch trpoint lineto xextra 0 rlineto [] 0 setdash stroke
+} def
+
 % printylabel: print one y label
 % (ylabel) ypos printylabel -
 /printylabel
@@ -825,6 +841,15 @@ lgraphdict begin
   /printrtick /printrlabel rticks ymin printticks
 } def
 
+% gridstyle: print a frame around the graph, plus a grid
+/gridstyle
+{ 0 0 moveto xsize 0 lineto xsize ysize lineto
+  0 ysize lineto closepath stroke
+  /printxgrid /printxlabel xticks xleft printticks
+  /printygrid /printylabel yticks ymin printticks
+  /printrtick /printrlabel rticks ymin printticks
+} def
+
 % nonestyle: print nothing around the graph
 /nonestyle
 {
diff --git a/include/picture b/include/picture
index dea061a..ec8efc9 100644
--- a/include/picture
+++ b/include/picture
@@ -167,6 +167,7 @@
   # @IndexTypeOrdinary	{ @PageNum		} # Ordinary pagenum format
   # @IndexTypeMain	{ @B @PageNum		} # Main pagenum format
   # @IndexTypeSpecial	{ @I @PageNum		} # Special pagenum format
+  # @IndexRangeFormat	{ @From--@To		} # index page range format
   # @IndexColumnNumber	{ 2			} # index columns (1 to 10)
   # @IndexColumnGap	{ 1.00c	@OrIfPlain 6s	} # index column gap
   # @IndexCtd		{ Yes			} # include (ctd.) lines
@@ -186,6 +187,7 @@
   # @IndexATypeOrdinary	{ @PageNum		} # Ordinary pagenum format
   # @IndexATypeMain	{ @B @PageNum		} # Main pagenum format
   # @IndexATypeSpecial	{ @I @PageNum		} # Special pagenum format
+  # @IndexARangeFormat	{ @From--@To		} # index page range format
   # @IndexAColumnNumber	{ 2			} # index A columns (1 to 10)
   # @IndexAColumnGap	{ 1.00c	@OrIfPlain 6s	} # index A column gap
   # @IndexACtd		{ Yes			} # include (ctd.) lines
@@ -205,6 +207,7 @@
   # @IndexBTypeOrdinary	{ @PageNum		} # Ordinary pagenum format
   # @IndexBTypeMain	{ @B @PageNum		} # Main pagenum format
   # @IndexBTypeSpecial	{ @I @PageNum		} # Special pagenum format
+  # @IndexBRangeFormat	{ @From--@To		} # index page range format
   # @IndexBColumnNumber	{ 2			} # index B columns (1 to 10)
   # @IndexBColumnGap	{ 1.00c	@OrIfPlain 6s	} # index B column gap
   # @IndexBCtd		{ Yes			} # include (ctd.) lines
diff --git a/include/pythonf b/include/pythonf
index 5f2c2ff..f70111f 100644
--- a/include/pythonf
+++ b/include/pythonf
@@ -97,7 +97,7 @@ def @PythonSetup
     export
     
 	@PI @PK @PO @PN @PS @PC @PL @PA @PM @PD
-	@A "$>"
+	@A "$>" "''"
 
     def @Python
 	named style        { style         }  # style
@@ -384,6 +384,7 @@ def @PythonSetup
 
 	macro "$>" { {} & }
 
+        def "''" { "''" }
 
 	{ @InitFontFamily Base @InitSize } @Font
 	{ @InitLine lines nohyphen } @Break @Body
diff --git a/include/report b/include/report
index 12312e5..4cf0a5a 100644
--- a/include/report
+++ b/include/report
@@ -172,6 +172,7 @@
   # @IndexTypeOrdinary	{ @PageNum		} # Ordinary pagenum format
   # @IndexTypeMain	{ @B @PageNum		} # Main pagenum format
   # @IndexTypeSpecial	{ @I @PageNum		} # Special pagenum format
+  # @IndexRangeFormat	{ @From--@To		} # index page range format
   # @IndexColumnNumber	{ 2			} # index columns (1 to 10)
   # @IndexColumnGap	{ 1.00c	@OrIfPlain 6s	} # index column gap
   # @IndexCtd		{ Yes			} # include (ctd.) lines
@@ -191,6 +192,7 @@
   # @IndexATypeOrdinary	{ @PageNum		} # Ordinary pagenum format
   # @IndexATypeMain	{ @B @PageNum		} # Main pagenum format
   # @IndexATypeSpecial	{ @I @PageNum		} # Special pagenum format
+  # @IndexARangeFormat	{ @From--@To		} # index page range format
   # @IndexAColumnNumber	{ 2			} # index A columns (1 to 10)
   # @IndexAColumnGap	{ 1.00c	@OrIfPlain 6s	} # index A column gap
   # @IndexACtd		{ Yes			} # include (ctd.) lines
@@ -210,6 +212,7 @@
   # @IndexBTypeOrdinary	{ @PageNum		} # Ordinary pagenum format
   # @IndexBTypeMain	{ @B @PageNum		} # Main pagenum format
   # @IndexBTypeSpecial	{ @I @PageNum		} # Special pagenum format
+  # @IndexBRangeFormat	{ @From--@To		} # index page range format
   # @IndexBColumnNumber	{ 2			} # index B columns (1 to 10)
   # @IndexBColumnGap	{ 1.00c	@OrIfPlain 6s	} # index B column gap
   # @IndexBCtd		{ Yes			} # include (ctd.) lines
diff --git a/include/save_graphf b/include/save_graphf
new file mode 100644
index 0000000..8bb9d05
--- /dev/null
+++ b/include/save_graphf
@@ -0,0 +1,891 @@
+
+###############################################################################
+#                                                                             #
+#  Lout @Graph package for drawing graphs (Version 1.0)                       #
+#                                                                             #
+#  Version 1.0 by Jeffrey H. Kingston, December 1993.                         #
+#                                                                             #
+#  This package draws graphs, the statistical kind not the graph-theoretical  #
+#  kind.  See the User's Guide (Advanced Graphics) for user info.             #
+#                                                                             #
+###############################################################################
+
+@SysInclude { graphf.etc }		# @GraphMath
+@SysInclude { lengths }			# @LoutLengths
+@SysInclude { coltex }			# @ColourCommand and @TextureCommand
+@SysPrependGraphic { graphf.lpg }
+
+
+def @GraphObj
+    left p
+    named margin { 0c }
+    named adj { 0 0 }
+    right x
+{
+  @BackEnd @Case {
+    PostScript @Yield {
+	@Null &  # kills previous white space
+	@HContract @VContract {
+	  //0io ||0io @HContract @VContract 
+	  { p "trpoint translate" adj "translate gsave" // "grestore" }
+	  @Graphic { //margin ||margin x ||margin //margin }
+	  ||0io //0io
+	}
+    }
+# VT: PDF does nothing
+    PDF @Yield {
+	@Null &  # kills previous white space
+	@HContract @VContract {
+	  //0io ||0io @HContract @VContract 
+	  { "% @GraphObj UNIMPLEMENTED" }
+	  @Graphic { //margin ||margin x ||margin //margin }
+	  ||0io //0io
+	}
+    }
+  }
+}
+
+def @GraphCross
+    import @LoutLengths named symbolsize { 0.15f }
+{
+  @BackEnd @Case {
+
+    PostScript @Yield {
+	@HContract @VContract
+	{ "newpath 0 0 moveto xsize ysize lineto 0 ysize moveto"
+	  "xsize 0 lineto [] 0 setdash stroke"
+	}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+    PDF @Yield {
+	@HContract @VContract
+	{ "n [] 0 d 0 0 m __xsize __ysize l 0 __ysize m __xsize 0 l S"}
+	  # uses S because PostScript version does NOT use closepath
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+  }
+}
+
+def @GraphPlus
+    import @LoutLengths named symbolsize { 0.15f }
+{
+  @BackEnd @Case {
+
+    PostScript @Yield {
+	@HContract @VContract
+	{ "newpath xmark 0 moveto xmark ysize lineto 0 ymark moveto"
+	  "xsize ymark lineto [] 0 setdash stroke"
+	}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+    PDF @Yield {
+	@HContract @VContract
+	{ "n [] 0 d __xmark 0 m __xmark __ysize l 0 __ymark m __xsize __ymark l S"}
+	  # uses S because PostScript version does NOT use closepath
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+  }
+}
+
+def @GraphSquare
+    import @LoutLengths named symbolsize { 0.15f }
+{
+  @BackEnd @Case {
+
+    PostScript @Yield {
+	@HContract @VContract
+	{ "newpath 0 0 moveto xsize 0 lineto xsize ysize lineto"
+	  "0 ysize lineto closepath [] 0 setdash stroke"
+	}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+    PDF @Yield {
+	@HContract @VContract
+	{"n [] 0 d 0 0 __xsize __ysize re s"}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+  }
+}
+
+def @GraphFilledSquare
+    import @LoutLengths named symbolsize { 0.15f }
+{
+  @BackEnd @Case {
+
+    PostScript @Yield {
+	@HContract @VContract
+	{ "newpath 0 0 moveto xsize 0 lineto xsize ysize lineto"
+	  "0 ysize lineto closepath gsave [] 0 setdash stroke grestore fill"
+	}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+    PDF @Yield {
+	@HContract @VContract
+	{"n [] 0 d 0 0 __xsize __ysize re b"}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+  }
+}
+
+def @GraphDiamond
+    import @LoutLengths named symbolsize { 0.15f }
+{
+  @BackEnd @Case {
+
+    PostScript @Yield {
+	@HContract @VContract
+	{ "newpath 0 ymark moveto xmark 0 lineto xsize ymark lineto"
+	  "xmark ysize lineto closepath [] 0 setdash stroke"
+	}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+    PDF @Yield {
+	@HContract @VContract
+	{"n [] 0 d 0 __ymark m __xmark 0 l __xsize __ymark l __xmark __ysize l s"}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+  }
+}
+
+def @GraphFilledDiamond
+    import @LoutLengths named symbolsize { 0.15f }
+{
+  @BackEnd @Case {
+
+    PostScript @Yield {
+	@HContract @VContract
+	{ "newpath 0 ymark moveto xmark 0 lineto xsize ymark lineto"
+	  "xmark ysize lineto closepath gsave [] 0 setdash stroke grestore fill"
+	}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+    PDF @Yield {
+	@HContract @VContract
+	{"n [] 0 d 0 __ymark m __xmark 0 l __xsize __ymark l __xmark __ysize l b"
+	}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+  }
+}
+
+def @GraphCircle
+    import @LoutLengths named symbolsize { 0.15f }
+{
+  @BackEnd @Case {
+
+    PostScript @Yield {
+	@HContract @VContract
+	{ "newpath xmark ymark xmark 0 360 arc"
+	  "[] 0 setdash stroke"
+	}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+    PDF @Yield {
+	@HContract @VContract
+#
+# draw a circle whose centre is at (xmark, ymark) and whose radius is xmark units;
+#
+# for curveto to work, we need to calculate the control points of the Bezier curve
+# as well as move the pen to the correct initial point. The circle is drawn as two
+# arcs of 180 degrees
+#
+#   pt0 = (xmark + xmark, ymark)
+#   pt1 = (xmark + xmark, ymark + 4/3 * xmark)
+#   pt2 = (0, ymark + 4/3 * xmark)
+#   pt3 = (0, ymark)
+#
+#   pt0 = (0, ymark)
+#   pt1 = (0, ymark - 4/3 * xmark)
+#   pt2 = (xmark + xmark, ymark - 4/3 * xmark)
+#   pt3 = (xmark + xmark, ymark)
+#
+	{"n [] 0 d"
+	 "__mul(2, __xmark) __ymark m"
+	 "__mul(2, __xmark) __add(__ymark, __div(__mul(4, __xmark), 3))"	# pt1
+	 "0 __add(__ymark, __div(__mul(4, __xmark), 3))"			# pt2
+	 "0 __ymark c"									# pt3
+
+	 "0 __sub(__ymark, __div(__mul(4, __xmark), 3))"			# pt1
+	 "__mul(2, __xmark) __sub(__ymark, __div(__mul(4, __xmark), 3))"	# pt2
+	 "__mul(2, __xmark) __ymark c S"						# pt3
+	}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+  }
+}
+
+def @GraphFilledCircle
+    import @LoutLengths named symbolsize { 0.15f }
+{
+  @BackEnd @Case {
+    PostScript @Yield {
+	@HContract @VContract
+	{ "newpath xmark ymark xmark 0 360 arc"
+	  "gsave [] 0 setdash stroke grestore fill"
+	}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+    PDF @Yield {
+	@HContract @VContract
+#
+# draw a filled circle whose centre is at (xmark, ymark) and whose radius is xmark units;
+#
+# for curveto to work, we need to calculate the control points of the Bezier curve
+# as well as move the pen to the correct initial point. The circle is drawn as two
+# arcs of 180 degrees
+#
+#   pt0 = (xmark + xmark, ymark)
+#   pt1 = (xmark + xmark, ymark + 4/3 * xmark)
+#   pt2 = (0, ymark + 4/3 * xmark)
+#   pt3 = (0, ymark)
+#
+#   pt0 = (0, ymark)
+#   pt1 = (0, ymark - 4/3 * xmark)
+#   pt2 = (xmark + xmark, ymark - 4/3 * xmark)
+#   pt3 = (xmark + xmark, ymark)
+#
+# Note: this is not a strict translation because there is a setdash bracketed by
+#   gsave/grestore in the above PostScript but there is no closepath before it;
+#   but in PDF, it is not possible to execute a setdash within a path definition.
+#
+	{"n [] 0 d"
+	 "__mul(2, __xmark) __ymark m"
+	 "__mul(2, __xmark) __add(__ymark, __div(__mul(4, __xmark), 3))"	# pt1
+	 "0 __add(__ymark, __div(__mul(4, __xmark), 3))"			# pt2
+	 "0 __ymark c"									# pt3
+
+	 "0 __sub(__ymark, __div(__mul(4, __xmark), 3))"			# pt1
+	 "__mul(2, __xmark) __sub(__ymark, __div(__mul(4, __xmark), 3))"	# pt2
+	 "__mul(2, __xmark) __ymark c b"						# pt3
+	}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+  }
+}
+
+def @GraphTriangle
+    import @LoutLengths named symbolsize { 0.15f }
+{
+  @BackEnd @Case {
+
+    PostScript @Yield {
+	@HContract @VContract
+	{ "newpath 0 0 moveto xsize 0 lineto xmark ysize 1.25 mul lineto"
+	  "closepath [] 0 setdash stroke"
+	}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+    PDF @Yield {
+	@HContract @VContract
+	{"n [] 0 d 0 0 m __xsize 0 l __xmark __mul(__ysize, 1.25) l s"}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+  }
+}
+
+def @GraphFilledTriangle
+    import @LoutLengths named symbolsize { 0.15f }
+{
+  @BackEnd @Case {
+
+    PostScript @Yield {
+	@HContract @VContract
+	{ "newpath 0 0 moveto xsize 0 lineto xmark ysize 1.25 mul lineto"
+	  "closepath gsave [] 0 setdash stroke grestore fill"
+	}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+    PDF @Yield {
+	@HContract @VContract
+	{"n [] 0 d 0 0 m __xsize 0 l __xmark __mul(__ysize, 1.25) l h b"}
+	@Graphic
+	{symbolsize @High symbolsize @Wide ^| symbolsize @Wide ^/ symbolsize @High}
+    }
+
+  }
+}
+
+def @GraphNoLine
+    import @PSLengths named dashlength { 0.2f }
+    import @PSLengths named linewidth  { "currentlinewidth" }
+    import @LoutLengths named length { 1.0f }
+{
+    length @Wide {}
+}
+
+def @GraphSolid
+    import @PSLengths named dashlength { 0.2f }
+    import @PSLengths named linewidth  { "currentlinewidth" }
+    import @LoutLengths named length { 1.0f }
+{
+  @BackEnd @Case {
+    PostScript @Yield {
+	@HContract @VContract
+	{ "xsize 0 lgraphdict begin newpath 0 0 moveto lineto"
+	   "/linewidth" linewidth "def xsize" dashlength "solid end"
+	} @Graphic { length @Wide }
+    }
+# VT: PDF does nothing
+    PDF @Yield {
+	@HContract @VContract
+      { "% @GraphSolid UNIMPLEMENTED" } @Graphic { length @Wide }
+    }
+  }
+}
+
+def @GraphDashed
+    import @PSLengths named dashlength { 0.2f }
+    import @PSLengths named linewidth  { "currentlinewidth" }
+    import @LoutLengths named length { 1.0f }
+{
+  @BackEnd @Case {
+    PostScript @Yield {
+	@HContract @VContract
+	{ "xsize 0 lgraphdict begin newpath 0 0 moveto lineto"
+	   "/linewidth" linewidth "def xsize" dashlength "dashed end"
+	} @Graphic { length @Wide }
+    }
+# VT: PDF does nothing
+    PDF @Yield {
+	@HContract @VContract
+      { "% @GraphDashed UNIMPLEMENTED" } @Graphic { length @Wide }
+    }
+  }
+}
+
+def @GraphDotted
+    import @PSLengths named dashlength { 0.2f }
+    import @PSLengths named linewidth  { "currentlinewidth" }
+    import @LoutLengths named length { 1.0f }
+{
+  @BackEnd @Case {
+    PostScript @Yield {
+	@HContract @VContract
+	{ "xsize 0 lgraphdict begin newpath 0 0 moveto lineto"
+	   "/linewidth" linewidth "def xsize" dashlength "dotted end"
+	} @Graphic { length @Wide }
+    }
+# VT: PDF does nothing
+    PDF @Yield {
+	@HContract @VContract
+      { "% @GraphDotted UNIMPLEMENTED" } @Graphic { length @Wide }
+    }
+  }
+}
+
+def @GraphDotDashed
+    import @PSLengths named dashlength { 0.2f }
+    import @PSLengths named linewidth  { "currentlinewidth" }
+    import @LoutLengths named length { 1.0f }
+{
+  @BackEnd @Case {
+    PostScript @Yield {
+	@HContract @VContract
+	{ "xsize 0 lgraphdict begin newpath 0 0 moveto lineto"
+	   "/linewidth" linewidth "def xsize" dashlength "dotdashed end"
+	} @Graphic { length @Wide }
+    }
+# VT: PDF does nothing
+    PDF @Yield {
+	@HContract @VContract
+      { "% @GraphDotDashed UNIMPLEMENTED" } @Graphic { length @Wide }
+    }
+  }
+}
+
+def @GraphDotDotDashed
+    import @PSLengths named dashlength { 0.2f }
+    import @PSLengths named linewidth  { "currentlinewidth" }
+    import @LoutLengths named length { 1.0f }
+{
+  @BackEnd @Case {
+    PostScript @Yield {
+	@HContract @VContract
+	{ "xsize 0 lgraphdict begin newpath 0 0 moveto lineto"
+	   "/linewidth" linewidth "def xsize" dashlength "dotdotdashed end"
+	} @Graphic { length @Wide }
+    }
+# VT: PDF does nothing
+    PDF @Yield {
+	@HContract @VContract
+      { "% @GraphDotDotDashed UNIMPLEMENTED" } @Graphic { length @Wide }
+    }
+  }
+}
+
+def @GraphDotDotDotDashed
+    import @PSLengths named dashlength { 0.2f }
+    import @PSLengths named linewidth  { "currentlinewidth" }
+    import @LoutLengths named length { 1.0f }
+{
+  @BackEnd @Case {
+    PostScript @Yield {
+	@HContract @VContract
+	{ "xsize 0 lgraphdict begin newpath 0 0 moveto lineto"
+	   "/linewidth" linewidth "def xsize" dashlength "dotdotdotdashed end"
+	} @Graphic { length @Wide }
+    }
+# VT: PDF does nothing
+    PDF @Yield {
+	@HContract @VContract
+      { "% @GraphDotDotDotDashed UNIMPLEMENTED" } @Graphic { length @Wide }
+    }
+  }
+}
+
+
+export @Data
+def @Graph
+    named save						{ no		}
+    named style						{ frame		}
+    import @LoutLengths named width			{ 6.0c		}
+    import @LoutLengths named height			{ 4.0c		}
+    import @PSLengths named xextra			{ "none"	}
+    import @PSLengths named yextra			{ "none"	}
+    named xdecreasing					{ no		}
+    named ydecreasing					{ no		}
+    named leftcaption					{		}
+    named rightcaption					{		}
+    named abovecaption					{		}
+    named belowcaption					{		}
+    import @LoutLengths named leftgap			{ 1.5c		}
+    import @LoutLengths named rightgap			{ 0.5c		}
+    import @LoutLengths named abovegap			{ 0.5c		}
+    import @LoutLengths named belowgap			{ 0.5c		}
+    named hidecaptions					{ yes		}
+    named objects
+	named @NW
+	    import @GraphMath named at { 0 0 }
+	    import @LoutLengths named margin { 0.3f }
+	    right x
+	{ at @GraphObj adj { "xsize neg ysize" } margin { margin } x }
+	named @SW
+	    import @GraphMath named at { 0 0 }
+	    import @LoutLengths named margin { 0.3f }
+	    right x
+	{ at @GraphObj adj { "xsize neg 0" } margin { margin } x }
+	named @SE
+	    import @GraphMath named at { 0 0 }
+	    import @LoutLengths named margin { 0.3f }
+	    right x
+	{ at @GraphObj adj { "0 0" } margin { margin } x }
+	named @NE
+	    import @GraphMath named at { 0 0 }
+	    import @LoutLengths named margin { 0.3f }
+	    right x
+	{ at @GraphObj adj { "0 ysize" } margin { margin } x }
+	named @W
+	    import @GraphMath named at { 0 0 }
+	    import @LoutLengths named margin { 0.3f }
+	    right x
+	{ at @GraphObj adj { "xsize neg ysize 2 div" } margin { margin } x }
+	named @S
+	    import @GraphMath named at { 0 0 }
+	    import @LoutLengths named margin { 0.3f }
+	    right x
+	{ at @GraphObj adj { "xsize neg 2 div 0" } margin { margin } x }
+	named @E
+	    import @GraphMath named at { 0 0 }
+	    import @LoutLengths named margin { 0.3f }
+	    right x
+	{ at @GraphObj adj { "0 ysize 2 div" } margin { margin } x }
+	named @N
+	    import @GraphMath named at { 0 0 }
+	    import @LoutLengths named margin { 0.3f }
+	    right x
+	{ at @GraphObj adj { "xsize neg 2 div ysize" } margin { margin } x }
+	named @CTR
+	    import @GraphMath named at { 0 0 }
+	    import @LoutLengths named margin { 0.3f }
+	    right x
+	{ at @GraphObj adj { "xsize neg 2 div ysize 2 div" } margin {margin} x }
+		       {}
+    named xorigin  named none { "false" }		{ none		}
+    named yorigin  named none { "false" }		{ none		}
+    named xlog     named none { "0" }			{ none		}
+    named ylog     named none { "0" }			{ none		}
+    named points   named none { "none" }		{ none		}
+    named pairs    named none { "none" }		{ none		}
+    named colour color  named none { "none" }		{ none		}
+    named paint    named none { "none" }		{ none		}
+    import @TextureImport named texture    		{ solid		}
+    named xmin     named none { "false" }		{ none		}
+    named xmax     named none { "false" }		{ none		}
+    named ymin     named none { "false" }		{ none		}
+    named ymax     named none { "false" }		{ none		}
+    named xticksep named none { "0" }			{ none		}
+    named yticksep named none { "0" }			{ none		}
+    named rticksep named none { "0" }			{ none		}
+    import @GraphMath named xticks
+	named none { "false" }
+	named auto { "false" }
+	named "@"  { " lgen" }
+	named "^"  { "^" }
+							{ false		}
+    import @GraphMath named yticks
+	named none { "false" }
+	named auto { "false" }
+	named "@"  { " lgen" }
+	named "^"  { "^" }
+							{ false		}
+    import @GraphMath named rticks
+	named none { "false" }
+	named auto { "false" }
+	named "@"  { " lgen" }
+	named "^"  { "^" }
+							{		}
+    import @PSLengths named xticklength			{ 0.5f		}
+    import @PSLengths named yticklength			{ 0.5f		}
+    import @PSLengths named rticklength			{ 0.5f		}
+    named dataformat					{ xandy		}
+    import @PSLengths named dashlength			{ 0.2f		}
+    import @PSLengths named linewidth			{ "currentlinewidth" }
+    import @PSLengths named symbolsize			{ 0.15f		}
+    body @Body
+@Begin
+
+    def @Above
+    {
+	abovecaption @Case {
+	    ""   @Yield {}
+	    else @Yield @OneCol { ||0.5rt clines @Break abovecaption || //abovegap }
+	}
+    }
+
+    def @Below
+    {
+	belowcaption @Case {
+	    ""   @Yield {}
+	    else @Yield @OneCol { //belowgap ||0.5rt clines @Break belowcaption || }
+	}
+    }
+
+    def @Left
+    {
+	leftcaption @Case {
+	    ""   @Yield {}
+	    else @Yield @OneCol @OneRow {
+		 { //0.5rt @OneRow clines @Break leftcaption // } ^||leftgap }
+	}
+    }
+
+    def @Right
+    {
+	rightcaption @Case {
+	    ""   @Yield {}
+	    else @Yield @OneCol @OneRow {
+		 ||rightgap { //0.5rt @OneRow lines @Break rightcaption // } }
+	}
+    }
+
+    def @ZeroWidth
+	right x
+    {
+	hidecaptions @Case {
+	    { No  no  } @Yield x
+	    { Yes yes } @Yield @OneCol { ||0io x ||0io }
+	}
+    }
+
+    def @AddCaptions right x
+    {
+	def belowextra
+	{
+	    xticks @Case {
+		""   @Yield { 0i }
+		else @Yield { 1.7f }
+	    }
+	}
+
+	@HContract @VContract
+	{
+	                       | @Above    |
+	    / @ZeroWidth @Left | &0.5rt x  | @ZeroWidth @Right
+	    /belowextra        | @Below    |
+	}
+    }
+
+    export pi e sqrt abs ceiling floor truncate round cos sin atan exp log rand
+	   "*" "/" idiv mod "-" "-0" "-1" "-2" "-3" "-4" "-5" "-6" "-7" "-8"
+	   "-9" "-." "+" "=" "!=" "<" "<=" ">" ">=" not and xor or
+	   if xloop yloop zloop
+
+    def @Data
+	named points   named none { "none" }            { points     }
+	named pairs    named none { "none" }            { pairs      }
+	named colour color   named none { "none" }      { colour     }
+	named paint    named none { "none" }            { paint      }
+	import @TextureImport named texture    		{ texture    }
+	import @PSLengths named dashlength              { dashlength }
+	import @PSLengths named linewidth               { linewidth  }
+	import @PSLengths named symbolsize              { symbolsize }
+	named dataformat                                { dataformat }
+	body data
+    {
+	def pi                                    {     "3.14159"  }
+	def e                                     {     "2.71828"  }
+	def sqrt     precedence 40        right y {   y "sqrt"     }
+	def abs      precedence 40        right y {   y "abs"      }
+	def ceiling  precedence 40        right y {   y "ceiling"  }
+	def floor    precedence 40        right y {   y "floor"    }
+	def truncate precedence 40        right y {   y "truncate" }
+	def round    precedence 40        right y {   y "round"    }
+	def cos      precedence 40        right y {   y "cos"      }
+	def sin      precedence 40        right y {   y "sin"      }
+	def atan     precedence 39 left x right y { x y "atan"     }
+	def exp      precedence 38 left x right y { x y "exp"      }
+	def log      precedence 37 left x right y { x y "dolog"    }
+	def rand     precedence 36 left x right y { x y "dorand"   }
+	def "*"      precedence 35 left x right y { x y "mul"      }
+	def "/"      precedence 34 left x right y { x y "div"      }
+	def idiv     precedence 34 left x right y { x y "idiv"     }
+	def mod      precedence 34 left x right y { x y "mod"      }
+	def "-"      precedence 33 left x right y
+	{ x @Case { "" @Yield {y "neg"} else @Yield { x y "sub" } }  }
+	def "-0"				    {     "-0"       }
+	def "-1"				    {     "-1"       }
+	def "-2"				    {     "-2"       }
+	def "-3"				    {     "-3"       }
+	def "-4"				    {     "-4"       }
+	def "-5"				    {     "-5"       }
+	def "-6"				    {     "-6"       }
+	def "-7"				    {     "-7"       }
+	def "-8"				    {     "-8"       }
+	def "-9"				    {     "-9"       }
+	def "-."				    {     "-."       }
+	def "+"      precedence 32 left x right y
+	{ x @Case { "" @Yield { y }     else @Yield { x y "add" } }  }
+	def "="      precedence 30 left x right y { x y "eq"       }
+	def "!="     precedence 30 left x right y { x y "ne"       }
+	def "<"      precedence 30 left x right y { x y "lt"       }
+	def "<="     precedence 30 left x right y { x y "le"       }
+	def ">"      precedence 30 left x right y { x y "gt"       }
+	def ">="     precedence 30 left x right y { x y "ge"       }
+	def not      precedence 25        right y {   y "not"      }
+	def and      precedence 24 left x right y { x y "and"      }
+	def xor      precedence 23 left x right y { x y "xor"      }
+	def or       precedence 22 left x right y { x y "or"       }
+	def if
+	    named cond { true }
+	    named then {}
+	    named else {}
+	{ cond "{" then "} {" else "} ifelse" }
+	def xloop
+	    named from { 0 }
+	    named to { 0 }
+	    named by { 1 }
+	    named do named x { "xval" } {}
+	{ from by to "{ /xval exch def" do "} for" }
+	def yloop
+	    named from { 0 }
+	    named to { 0 }
+	    named by { 1 }
+	    named do named y { "yval" } {}
+	{ from by to "{ /yval exch def" do "} for" }
+	def zloop
+	    named from { 0 }
+	    named to { 0 }
+	    named by { 1 }
+	    named do named z { "zval" } {}
+	{ from by to "{ /zval exch def" do "} for" }
+
+	def @IfPt
+	   left no
+	   right yes
+	{
+	    points @Case {
+		none @Yield no
+		else @Yield yes
+	    }
+	}
+
+	def @Points
+	{
+	    points @Case {
+		none            @Yield ""
+		plus            @Yield "plus"
+		cross           @Yield "cross"
+		square          @Yield "square"
+		filledsquare    @Yield "filledsquare"
+		diamond         @Yield "diamond"
+		filleddiamond   @Yield "filleddiamond"
+		circle          @Yield "circle"
+		filledcircle    @Yield "filledcircle"
+		triangle        @Yield "triangle"
+		filledtriangle  @Yield "filledtriangle"
+	    }
+	}
+
+	def @Pairs
+	{
+	  pairs @Case {
+	    none       @Yield {}
+	    solid      @Yield { "linesetup solid"   @IfPt "ilinesetup solid"  }
+	    dashed     @Yield { "linesetup cdashed" @IfPt "ilinesetup dashed" }
+	    dotted     @Yield { "linesetup dotted"  @IfPt "ilinesetup dotted" }
+	    dotdashed  @Yield { "linesetup dotcdashed" @IfPt
+				"ilinesetup dotdashed" }
+	    dotdotdashed  @Yield { "linesetup dotdotcdashed" @IfPt
+				"ilinesetup dotdotdashed" }
+	    dotdotdotdashed  @Yield { "linesetup dotdotdotcdashed" @IfPt
+				"ilinesetup dotdotdotdashed" }
+	    surfacexhisto @Yield { "surfacexhisto" }
+	    surfaceyhisto @Yield { "surfaceyhisto" }
+	    xhisto        @Yield { "xhisto" }
+	    yhisto        @Yield { "yhisto" }
+	    filledxhisto  @Yield { "filledxhisto" }
+	    filledyhisto  @Yield { "filledyhisto" }
+	  }
+	}
+
+        def @DataFormat
+        {
+	    dataformat @Case {
+	        xandy     @Yield xandy
+	        swapxandy @Yield swapxandy
+	        yonly     @Yield yonly
+	        xonly     @Yield xonly
+	    }
+        }
+
+	def @Paint
+	{
+	    paint @Case {
+	       { none no No } @Yield "false"
+	       { yes Yes } @Yield "true"
+	    }
+	}
+
+       "[ [" data "]" dataformat
+	  "{" @Points "}"
+	  "{" @Pairs "}"
+	  "{ /dashlength" dashlength "def"
+	  "  /linewidth"  linewidth  "def" @ColourCommand colour
+	  "  /symbolsize" symbolsize "def }"
+	  "{" @Paint "}"
+	  "{" texture "}"
+       "]"
+    }
+
+    def @Style
+    {
+	style @Case {
+	    frame    @Yield { "framestyle" }
+	    none     @Yield { "nonestyle"  }
+	    axes     @Yield { "axesstyle"  }
+	}
+    }
+
+    def @XExtra
+    {
+	xextra @Case {
+	    "none" @Yield {
+		style @Case {
+	            frame    @Yield { "0.5 cm" }
+	            none     @Yield { "0"  }
+	            axes     @Yield { "0"  }
+		}
+	    }
+	    else @Yield xextra
+	}
+    }
+
+    def @YExtra
+    {
+	yextra @Case {
+	    "none" @Yield {
+		style @Case {
+	            frame @Yield { "0.5 cm" }
+	            none  @Yield { "0"  }
+	            axes  @Yield { "0"  }
+		}
+	    }
+	    else @Yield yextra
+	}
+    }
+
+    def @XDecreasing
+    {
+	xdecreasing @Case {
+	    { No no } @Yield "false"
+	    { Yes yes } @Yield "true"
+	}
+    }
+
+    def @YDecreasing
+    {
+	ydecreasing @Case {
+	    { No no } @Yield "false"
+	    { Yes yes } @Yield "true"
+	}
+    }
+
+    @AddCaptions width @Wide height @High
+    @BackEnd @Case {
+	PostScript @Yield {
+	    {
+		"grestore"
+		save @Case { { Yes yes } @Yield "save" else @Yield {} }
+		"gsave xsize ysize lgraphdict begin /ysize exch def /xsize exch def"
+		"/alldata [" @Body "] def"
+		xticksep "[" xticks "] 0 alldata" xmin xmax xlog
+		  @XExtra @XDecreasing xorigin xticklength "xset"
+		yticksep "[" yticks "] 1 alldata" ymin ymax ylog
+		  @YExtra @YDecreasing yorigin yticklength "yset"
+
+		rticks @Case {
+
+		  ""   @Yield "norset"
+
+		  else @Yield {
+		    rticksep "[" rticks "] 1 alldata" ymin ymax ylog
+		    @YExtra @YDecreasing yorigin rticklength "rset"
+		  }
+		}
+
+		"rundata" @Style // "end"
+		save @Case { { Yes yes } @Yield "restore" else @Yield {} }
+	    } @Graphic { //1rt objects }
+	}
+	PDF @Yield { {"% @Graph UNIMPLEMENTED"} @Graphic { //1rt objects } }
+    }
+
+@End @Graph                  
diff --git a/include/save_graphf.lpg b/include/save_graphf.lpg
new file mode 100644
index 0000000..5546586
--- /dev/null
+++ b/include/save_graphf.lpg
@@ -0,0 +1,899 @@
+%%BeginResource: procset LoutGraphPrependGraphic
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%                                                                    %
+%  PostScript @SysPrependGraphic file for @Graph (Version 1.0)       %
+%                                                                    %
+%  Version 1.0 by Jeffrey H. Kingston, December 1993.                %
+%  swapxandy added September 2001 by JHK.                            %
+%                                                                    %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+errordict begin
+   /handleerror
+   {
+      {  /Times-Roman findfont 8 pt scalefont setfont
+	 0 setgray 4 pt 4 pt moveto
+	 $error /errorname get
+	 dup lgraphdict exch known
+	 { lgraphdict exch get }
+	 { 30 string cvs } ifelse
+	 show
+	 (  Command: ) show
+	 $error /command get 30 string cvs show
+      } stopped {} if
+      showpage stop
+   } def
+end
+
+/lgraphdict 200 dict def
+lgraphdict begin
+
+% error messages
+/dictfull (dictfull error) def
+/dictstackoverflow (dictstackoverflow error) def
+/execstackoverflow (execstackoverflow error:  expression too complex?) def
+/limitcheck (limitcheck error:  graph too complex or too large?) def
+/syntaxerror (syntaxerror error:  syntax error in text of graph?) def
+/typecheck (typecheck error:  syntax error in text of graph?) def
+/undefined (undefined error:  unknown or misspelt symbol?) def
+/rangecheck (rangecheck error:  undefined expression (e.g. divide by zero)?) def
+/VMError (VMError error:  run out of memory?) def
+
+% random number between x and y inclusive: x y dorand num
+/dorand { 1 index sub 1 add rand exch mod add } def
+
+% log to given base: base num dolog num
+/dolog { ln exch ln div } def
+
+% maximum of two numbers:  <num> <num> max <num>
+/max { 2 copy gt { pop } { exch pop } ifelse } def
+
+% add two points:  <point> <point> padd <point>
+/padd { exch 3 1 roll add 3 1 roll add exch } def
+
+% subtract first point from second:  <point> <point> psub <point>
+/psub { 3 2 roll sub 3 1 roll exch sub exch } def
+
+% distance between two points:  <point> <point> distance <length>
+/distance { psub dup mul exch dup mul add sqrt } def
+
+% point at angle and distance:  <point> <length> <angle> atangle <point>
+/atangle { 2 copy cos mul 3 1 roll sin mul padd } def
+
+% angle from one point to another:  <point> <point> angle <angle>
+/angle { psub 2 copy 0 eq exch 0 eq and {pop} {exch atan} ifelse } def
+
+
+% set up for line
+% - linesetup <length> <dashlength>
+/linesetup
+{ newpath
+  xcurr ycurr trpoint xprev yprev trpoint
+  4 copy moveto lineto distance dashlength
+} def
+
+% set up for icon-avoiding line
+% - ilinesetup <length> <dashlength>
+/ilinesetup
+{ newpath
+  xprev yprev trpoint xcurr ycurr trpoint 4 copy
+  4 copy angle symbolsize 1.5 mul exch 4 2 roll pop pop atangle
+  6 2 roll 4 2 roll
+  4 copy angle symbolsize 1.5 mul exch 4 2 roll pop pop atangle 
+  4 copy moveto lineto distance dashlength
+} def
+
+
+% stroke a solid line:  <length> <dashlength> solid -
+/solid
+{ pop pop [] 0 setdash linewidth setlinewidth stroke
+} def
+  
+% stroke a dashed line:   <length> <dashlength> dashed -
+/dashed
+{  2 copy 2 mul le 1 index 0 le or
+   {  exch pop 1 pt max [ exch dup ] 0 setdash }
+   {  dup [ exch 4 2 roll 2 copy div
+      1 sub 2 div ceiling dup 4 1 roll
+      1 add mul sub exch div ] 0 setdash
+   } ifelse linewidth setlinewidth stroke
+} def
+
+% stroke a cdashed line:  <length> <dashlength> cdashed -
+/cdashed
+{  2 copy le 1 index 0 le or
+   { exch pop 1 pt max [ exch dup ] dup 0 get 2 div setdash }
+   { dup [ 4 2 roll exch 2 copy exch div
+     2 div ceiling div 1 index sub
+     ] exch 2 div setdash
+   } ifelse linewidth setlinewidth stroke
+} def
+
+% stroke a dotted line:  <length> <dashlength> dotted -
+/dotted
+{  2 copy le 1 index 0 le or
+   { exch pop 1 pt max [ exch 0 exch ] 0 setdash }
+   { 1 index exch div ceiling div 0.99999 mul
+     [ 0 3 2 roll ] 0 setdash
+   } ifelse gsave 1 setlinecap linewidth setlinewidth stroke grestore newpath
+} def
+
+% stroke a noline line:  <length> <dashlength> noline -
+/noline
+{ pop pop
+} def
+
+% scale array elements by factor:  <array> <factor> scalearray <array>
+/scalearray
+{
+  [ exch 3 2 roll
+  { exch dup 3 1 roll mul exch } forall
+  pop ]
+} def
+
+% sum array elements:  <array> sumarray <number>
+/sumarray
+{
+  0 exch { add } forall
+} def
+
+% begin a more complex line: <length> <dashlength> linebegin -
+/linebegin
+{
+  % (Entering linebegin) 2 debugprint
+  20 dict begin
+  /dashlen exch 1 pt max def
+  /len exch def
+  /gap dashlen def
+  /halfgap dashlen 2 div def
+  /dash dashlen def
+  /halfdash dashlen 2 div def
+  /dot 0 def
+  % (Leaving linebegin) 0 debugprint
+} def
+% end a more complex line: <linecap> <cycle> <startpos> <stoppos> lineend -
+/lineend
+{
+  % (Entering lineend) 3 debugprint
+  /stoppos exch def
+  /startpos exch def
+  /cycle exch def
+  /linecap exch def
+  /stopposlen stoppos sumarray def
+  /startposlen startpos sumarray def
+  /cyclelen cycle sumarray def
+  /effectivelen len startposlen add stopposlen sub def
+  effectivelen 0 gt cyclelen 0 gt and
+  {
+    /repeats effectivelen cyclelen div ceiling def
+    /factor len repeats cyclelen mul startposlen sub stopposlen add div def
+    cycle factor scalearray startposlen factor mul setdash
+    linecap setlinecap stroke
+  } if
+  end
+  % (Leaving lineend) 0 debugprint
+} def
+
+% stroke a dotdashed line: <length> <dashlength> dotdashed -
+/dotdashed
+{
+  linebegin
+  1 [dash gap dot gap] [] [dash]
+  lineend
+} def
+
+% stroke a dotcdashed line: <length> <dashlength> dotcdashed -
+/dotcdashed
+{
+  linebegin
+  1 [dash gap dot gap] [halfdash] [halfdash]
+  lineend
+} def
+
+% stroke a dotdotdashed line: <length> <dashlength> dotdotdashed -
+/dotdotdashed
+{
+  linebegin
+  1 [dash gap dot gap dot gap] [] [dash]
+  lineend
+} def
+
+% stroke a dotdotcdashed line: <length> <dashlength> dotdotcdashed -
+/dotdotcdashed
+{
+  linebegin
+  1 [dash gap dot gap dot gap] [halfdash] [halfdash]
+  lineend
+} def
+
+% stroke a dotdotdotdashed line: <length> <dashlength> dotdotdotdashed -
+/dotdotdotdashed
+{
+  linebegin
+  1 [dash gap dot gap dot gap dot gap] [] [dash]
+  lineend
+} def
+
+% stroke a dotdotdotcdashed line: <length> <dashlength> dotdotdotcdashed -
+/dotdotdotcdashed
+{
+  linebegin
+  1 [dash gap dot gap dot gap dot gap] [halfdash] [halfdash]
+  lineend
+} def
+
+
+% stroke a y histogram: - yhisto -
+/yhisto
+{ xprev yleft trpoint yextra sub moveto
+  xprev yprev trpoint lineto
+  xcurr yprev trpoint lineto
+  xcurr yleft trpoint yextra sub lineto 
+  linewidth setlinewidth stroke
+} def
+
+% stroke an x histogram: - xhisto -
+/xhisto
+{ xleft yprev trpoint exch xextra sub exch moveto
+  xcurr yprev trpoint lineto
+  xcurr ycurr trpoint lineto
+  xleft ycurr trpoint exch xextra sub exch lineto 
+  linewidth setlinewidth stroke
+} def
+
+% stroke a surface y histogram: - surfaceyhisto -
+/surfaceyhisto
+{ firstpair
+  { xprev yleft trpoint yextra sub moveto
+    xprev yprev trpoint lineto
+  }
+  { xprev yprev trpoint moveto
+  } ifelse
+  xcurr yprev trpoint lineto
+  lastpair
+  { xcurr yleft trpoint yextra sub lineto 
+  }
+  { xcurr ycurr trpoint lineto
+  } ifelse
+  linewidth setlinewidth stroke
+} def
+
+% stroke a surface x histogram: - surfacexhisto -
+/surfacexhisto
+{ firstpair
+  { xleft yprev trpoint exch xextra sub exch moveto
+  }
+  { xprev yprev trpoint moveto
+  } ifelse
+  xcurr yprev trpoint lineto
+  xcurr ycurr trpoint lineto
+  lastpair
+  { xleft ycurr trpoint exch xextra sub exch lineto 
+  } if
+  linewidth setlinewidth stroke
+} def
+
+% % pre-texture versions
+% % stroke a filled y histogram: - filledyhisto -
+% /filledyhisto
+% {
+%   linewidth setlinewidth
+%   xprev yleft trpoint exch currentlinewidth 2 div add exch yextra sub moveto
+%   xprev yprev trpoint exch currentlinewidth 2 div add exch lineto
+%   xcurr yprev trpoint exch currentlinewidth 2 div sub exch lineto
+%   xcurr yleft trpoint exch currentlinewidth 2 div sub exch yextra sub lineto 
+%   closepath fill
+% } def
+
+% % stroke a filled x histogram: - filledxhisto -
+% /filledxhisto
+% {
+%   linewidth setlinewidth
+%   xleft yprev trpoint currentlinewidth 2 div add exch xextra sub exch moveto
+%   xcurr yprev trpoint currentlinewidth 2 div add lineto
+%   xcurr ycurr trpoint currentlinewidth 2 div sub lineto
+%   xleft ycurr trpoint currentlinewidth 2 div sub exch xextra sub exch lineto 
+%   closepath fill
+% } def
+
+% stroke a filled y histogram: - filledyhisto -
+/filledyhisto
+{
+  linewidth setlinewidth
+  xprev yleft trpoint exch currentlinewidth 1.3 mul add exch yextra sub moveto
+  xprev yprev trpoint exch currentlinewidth 1.3 mul add exch lineto
+  xcurr yprev trpoint exch currentlinewidth 1.3 mul sub exch lineto
+  xcurr yleft trpoint exch currentlinewidth 1.3 mul sub exch yextra sub lineto 
+  gsave texture fill grestore stroke
+} def
+
+% stroke a filled x histogram: - filledxhisto -
+/filledxhisto
+{
+  linewidth setlinewidth
+  xleft yprev trpoint currentlinewidth 1.3 mul add exch xextra sub exch moveto
+  xcurr yprev trpoint currentlinewidth 1.3 mul add lineto
+  xcurr ycurr trpoint currentlinewidth 1.3 mul sub lineto
+  xleft ycurr trpoint currentlinewidth 1.3 mul sub exch xextra sub exch lineto 
+  gsave texture fill grestore stroke
+} def
+
+
+% cross: show a small cross
+/cross
+{ newpath
+  xcurr ycurr trpoint moveto
+  symbolsize neg symbolsize neg rmoveto
+  symbolsize 2 mul symbolsize 2 mul rlineto
+  0 symbolsize -2 mul rmoveto
+  symbolsize -2 mul symbolsize 2 mul rlineto
+  [] 0 setdash stroke
+} def
+
+% plus: show a small plus
+/plus
+{ newpath
+  xcurr ycurr trpoint moveto
+  symbolsize neg 0 rmoveto
+  symbolsize 2 mul 0 rlineto
+  symbolsize neg symbolsize neg rmoveto
+  0 symbolsize 2 mul rlineto
+  [] 0 setdash stroke
+} def
+
+% square: show a small square
+/square
+{ newpath
+  xcurr ycurr trpoint moveto
+  symbolsize neg symbolsize neg rmoveto
+  symbolsize 2 mul 0 rlineto
+  0 symbolsize 2 mul rlineto
+  symbolsize -2 mul 0 rlineto
+  closepath [] 0 setdash stroke
+} def
+
+% filledsquare: show a small filled square
+/filledsquare
+{ newpath
+  xcurr ycurr trpoint moveto
+  symbolsize neg symbolsize neg rmoveto
+  symbolsize 2 mul 0 rlineto
+  0 symbolsize 2 mul rlineto
+  symbolsize -2 mul 0 rlineto
+  closepath gsave [] 0 setdash stroke grestore fill
+} def
+
+% diamond: show a small diamond
+/diamond
+{ newpath
+  xcurr ycurr trpoint moveto
+  symbolsize neg 0 rmoveto
+  symbolsize symbolsize neg rlineto
+  symbolsize symbolsize rlineto
+  symbolsize neg symbolsize rlineto
+  closepath [] 0 setdash stroke
+} def
+
+% filleddiamond: show a small filled diamond
+/filleddiamond
+{ newpath
+  xcurr ycurr trpoint moveto
+  symbolsize neg 0 rmoveto
+  symbolsize symbolsize neg rlineto
+  symbolsize symbolsize rlineto
+  symbolsize neg symbolsize rlineto
+  closepath gsave [] 0 setdash stroke grestore fill
+} def
+
+% circle: show a small circle
+/circle
+{ newpath
+  xcurr ycurr trpoint symbolsize 0 360 arc [] 0 setdash stroke
+} def
+
+% filledcircle: show a small filled circle
+/filledcircle
+{ newpath
+  xcurr ycurr trpoint symbolsize 0 360 arc gsave [] 0 setdash stroke grestore fill
+} def
+
+% triangle: show a small triangle
+/triangle
+{ newpath
+  xcurr ycurr trpoint moveto
+  0 symbolsize 1.5 mul rmoveto
+  symbolsize neg symbolsize -2.5 mul rlineto
+  symbolsize 2 mul 0 rlineto
+  closepath [] 0 setdash stroke
+} def
+
+% filledtriangle: show a small filled triangle
+/filledtriangle
+{ newpath
+  xcurr ycurr trpoint moveto
+  0 symbolsize 1.5 mul rmoveto
+  symbolsize neg symbolsize -2.5 mul rlineto
+  symbolsize 2 mul 0 rlineto
+  closepath gsave [] 0 setdash stroke grestore fill
+} def
+
+
+%plog: like log only with a base, and protected from failing if <= 0
+% base x plog res
+/plog { dup 0 le { pop pop 0 } { ln exch ln div } ifelse } def
+
+% xtr: transform one x value logarithmically if xlog > 1
+% <num> xtr <num>
+/xtr
+{ xlog 1 gt
+  { xlog exch plog
+  } if
+} def
+
+% ytr: transform one y value logarithmically if ylog > 1
+% <num> ytr <num>
+/ytr
+{ ylog 1 gt
+  { ylog exch plog
+  } if
+} def
+
+
+% trpoint: transform (x, y) in graph space into (x', y') in print space
+% x y trpoint x' y'
+/trpoint
+{ exch xtr xdecr { trxmax exch sub } { trxmin sub } ifelse
+  trxmax trxmin sub div xwidth mul xextra add
+
+  exch ytr ydecr { trymax exch sub } { trymin sub } ifelse
+  trymax trymin sub div ywidth mul yextra add
+} def
+
+
+% yonly: interpolate x values 1, 2, ... into data
+% [ data ] yonly [ newdata ]
+/yonly
+{ dup /tmp exch def
+  length [ exch 1 exch 1 exch
+  { dup tmp exch 1 sub get
+  } for
+  ]
+} def
+
+% xonly: interpolate y values 1, 2, ... into data
+% [ data ] yonly [ newdata ]
+/xonly
+{ dup /tmp exch def
+  length [ exch 1 exch 1 exch
+  { dup tmp exch 1 sub get exch
+  } for
+  ]
+} def
+
+% xandy: no interpolation of x or y values
+% [ data ] xandy [ data ]
+/xandy {} def
+
+% swapxandy: swap x and y values
+% [ data ] swapxandy [ data ]
+/swapxandy
+{ dup /tmp exch def
+  length [ exch 2 exch 2 exch
+  { dup tmp exch 1 sub get exch 2 sub tmp exch get
+  } for
+  ]
+} def
+
+
+% expstringwidth: calculate width of string containing optional exponent
+% <string> expstringwidth <width>
+/expstringwidth
+{ (^) search
+  { exch pop stringwidth pop exch stringwidth pop 0.7 mul add }
+  { stringwidth pop }
+  ifelse
+} def
+
+% expstringshow: show string containing optional exponent
+% <string> expstringshow -
+/expstringshow
+{ (^) search
+  { exch pop show 0 0.5 ft rmoveto
+    gsave currentfont 0.7 scalefont setfont show grestore
+  }
+  { show
+  }
+  ifelse
+} def
+
+% concatenate two strings: <string> <string> strconcat <string>
+/strconcat
+{ 2 copy length exch length add string
+  dup 0 4 index putinterval
+  dup 3 index length 3 index putinterval
+  3 1 roll pop pop
+} def
+
+% lgen: generate one label automatically
+% num lgen num string
+/lgen { dup 20 string cvs } def
+
+% loglgen: generate one logarithmic label (with exponent)
+% <base> <exponent> loglgen <string>
+/loglgen
+{ 20 string cvs exch 20 string cvs
+  (^) strconcat exch strconcat
+} def
+
+
+% printxtick: print one x tick
+% xpos printxtick -
+/printxtick
+{ newpath
+  yleft trpoint moveto 0 yextra neg rmoveto
+  0 xticklength neg rlineto [] 0 setdash stroke
+} def
+
+% printxlabel: print one x label
+% (xlabel) xpos printxlabel -
+/printxlabel
+{ yleft trpoint moveto 0 yextra neg rmoveto
+  0 xticklength neg rmoveto 0 0.9 ft neg rmoveto
+  xlog 1 gt { 0 0.3 ft neg rmoveto } if
+  dup expstringwidth -2 div 0 rmoveto expstringshow
+} def
+
+% printytick: print one y tick
+% ypos printytick -
+/printytick
+{ newpath
+  xleft exch trpoint moveto xextra neg 0 rmoveto
+  yticklength neg 0 rlineto [] 0 setdash stroke
+} def
+
+% printylabel: print one y label
+% (ylabel) ypos printylabel -
+/printylabel
+{ xleft exch trpoint moveto xextra neg 0 rmoveto
+  yticklength neg 0 rmoveto -0.3 ft -0.3 ft rmoveto
+  dup expstringwidth neg 0 rmoveto expstringshow
+} def
+
+% printrtick: print one r tick
+% ypos printrtick -
+/printrtick
+{ newpath
+  xright exch trpoint moveto xextra 0 rmoveto
+  rticklength 0 rlineto [] 0 setdash stroke
+} def
+
+% printrlabel: print one r label
+% (rlabel) ypos printrlabel -
+/printrlabel
+{ xright exch trpoint moveto xextra 0 rmoveto
+  rticklength 0 rmoveto  0.3 ft -0.3 ft rmoveto
+  expstringshow
+} def
+
+% printticks: print ticks and labels
+% /tickproc /labelproc [ tickandlabeldata ] min printticks -
+/printticks
+{ /prev exch def
+  { dup type dup dup /integertype eq exch /realtype eq or
+    { pop dup /prev exch def 2 index cvx exec
+    }
+    { /stringtype eq
+      { prev 2 index cvx exec
+      }
+      { pop
+      } ifelse
+    } ifelse
+  } forall
+  pop pop
+} def
+
+
+% printxaxistick: print one x axis tick
+% xpos printxaxistick -
+/printxaxistick
+{ newpath
+  yaxis trpoint moveto 0 xticklength -2 div rmoveto
+  0 xticklength rlineto [] 0 setdash stroke
+} def
+
+% printxaxislabel: print one x axis label
+% (xlabel) xpos printxaxislabel -
+/printxaxislabel
+{ yaxis trpoint moveto
+  0 xticklength -2 div rmoveto 0 0.9 ft neg rmoveto
+  xlog 1 gt { 0 0.3 ft neg rmoveto } if
+  dup expstringwidth -2 div 0 rmoveto expstringshow
+} def
+
+% printyaxistick: print one y axis tick
+% ypos printyaxistick -
+/printyaxistick
+{ newpath
+  xaxis exch trpoint moveto
+  yticklength -2 div 0 rmoveto
+  yticklength 0 rlineto [] 0 setdash stroke
+} def
+
+% printyaxislabel: print one y axis label
+% (ylabel) ypos printyaxislabel -
+/printyaxislabel
+{ xaxis exch trpoint moveto
+  yticklength -2 div 0 rmoveto -0.3 ft -0.3 ft rmoveto
+  dup expstringwidth neg 0 rmoveto expstringshow
+} def
+
+
+% <val> minmax -
+% perform minv := min(minv, val); maxv := max(maxv, val)
+% allowing for the possibility of minv, maxv, val being false (undefined)
+/minmax
+{ dup false eq
+  { pop }
+  { minv false eq
+    { dup /minv exch def /maxv exch def }
+    { dup minv lt
+      { /minv exch def }
+      { dup maxv gt
+	{ /maxv exch def }
+	{ pop }
+	ifelse
+      } ifelse
+    } ifelse
+  } ifelse
+} def
+
+% <ticks> ticksundef <ticks> <bool>
+% returns true iff the ticks array is undefined (one false entry)
+/ticksundef
+{ dup length 1 eq
+  { dup 0 get false eq
+  }
+  { false }
+  ifelse
+} def
+
+% <number> integral <boolean>
+% true if the number has an integral value
+/integral { dup round eq } def
+
+% ticksep ticks xory alldata minval maxval axis base ticksandlimits ticks min max base
+% ticksandlimits: sort out value of x or y ticks and limits and log base
+/ticksandlimits
+{ /base exch def
+  /minv false def
+  /maxv false def
+
+  % min and max of user-supplied minval, maxval, and axis
+  minmax minmax minmax
+
+  % min and max of data points
+  { 0 get dup dup length 1 sub 3 index exch 2 exch
+    { get minmax dup
+    } for pop pop
+  } forall
+  pop dup
+
+  % min and max of tick values
+  { dup type /stringtype eq
+    { pop } { minmax } ifelse
+  } forall
+
+  % fix minv and maxv if undefined (false) or equal
+  minv false eq
+  { /minv -1 def /maxv 1 def }
+  { minv maxv eq
+    { minv 0 lt
+      { /minv 2 minv mul def /maxv 0 def
+      }
+      { minv 0 eq
+	{ /minv -1 def /maxv 1 def
+	}
+	{ /minv 0 def /maxv 2 maxv mul def
+	} ifelse
+      } ifelse
+    } if
+  } ifelse
+
+  % invent ticks if undefined
+  ticksundef
+  { pop /ticksep exch def
+
+    % if base is reasonable and minv is positive, logarithmic ticks
+    base 1 gt minv 0 gt and
+    {
+      % get integral log of minv and maxv
+      /logminv base minv plog floor   cvi def
+      /logmaxv base maxv plog ceiling cvi def
+
+      % if minv close to base, make it 1; reset minv and maxv
+      logminv 1 eq logmaxv 4 ge and { /logminv 0 def } if
+      /minv base logminv exp def
+      /maxv base logmaxv exp def
+
+      % ticks := [ base**logminv, ... , base**logmaxv ]
+      [ logminv 1 logmaxv
+	{ dup base exch exp
+	  exch base exch loglgen
+	} for
+      ]
+    }
+    { % non-logarithmic ticks
+      {
+        % fix tick separation if undefined (0) or too small
+	/base 0 def
+        /delta maxv minv sub def
+        ticksep delta 30 div le
+        { /ticksep 10 delta log 1 sub ceiling exp def
+	  ticksep delta 2 div ge
+	  { /ticksep ticksep 2 div def }
+	  { ticksep delta 5 div lt
+	    { /ticksep 2 ticksep mul def
+	    } if
+	  } ifelse
+        } if
+
+        % adjust minv and maxv to be multiples of ticksep
+        /minv minv ticksep div floor   ticksep mul def
+        /maxv maxv ticksep div ceiling ticksep mul def
+        /delta maxv minv sub def
+
+        % if minv or maxv near zero, move to zero and redo
+        minv ticksep eq
+        { /minv 0 def }
+        { maxv ticksep neg eq { /maxv 0 def } { exit } ifelse
+        } ifelse
+      } loop
+
+      % if minv, maxv, and ticksep are all integral, set "makeint" to true
+      /makeint minv integral maxv integral ticksep integral and and def
+
+      % ticks := [ minv, minv+ticksep, ... , maxv ]
+      [ 0 1 delta ticksep div round
+	{ ticksep mul minv add makeint { cvi } if lgen }
+	for
+      ]
+    } ifelse
+  }
+  { exch pop
+  } ifelse
+  minv maxv base
+} def
+
+% xset: set up all data for x axis, including limits and ticks
+% xticksep xticks 0 alldata xmin xmax xlog xextra xdecr xaxis xticklength xset -
+/xset
+{ /xticklength exch def
+  /xaxis exch def
+  /xdecr exch def
+  /xextra exch def
+  xaxis exch ticksandlimits
+  /xlog exch def /xmax exch def /xmin exch def /xticks exch def
+  /xleft xdecr { xmax } { xmin } ifelse def
+  /xright xdecr { xmin } { xmax } ifelse def
+  /xwidth xsize xextra 2 mul sub def
+  /trxmin xmin xtr def /trxmax xmax xtr def
+} def
+
+% yset: set up all data for y axis, including limits and yticks
+% yticksep yticks 0 alldata ymin ymax ylog yextra ydecr yaxis yticklength yset -
+/yset
+{ /yticklength exch def
+  /yaxis exch def
+  /ydecr exch def
+  /yextra exch def
+  yaxis exch ticksandlimits
+  /ylog exch def /ymax exch def /ymin exch def /yticks exch def
+  /yleft ydecr { ymax } { ymin } ifelse def
+  /yright ydecr { ymin } { ymax } ifelse def
+  /ywidth ysize yextra 2 mul sub def
+  /trymin ymin ytr def /trymax ymax ytr def
+} def
+
+% rset: set up all data for y axis (again), but including limits and rticks
+% rticksep rticks 0 alldata ymin ymax ylog yextra ydecr yaxis rticklength rset -
+/rset
+{ /rticklength exch def
+  /yaxis exch def
+  /ydecr exch def
+  /yextra exch def
+  yaxis exch ticksandlimits
+  /ylog exch def /ymax exch def /ymin exch def /rticks exch def
+  /yleft ydecr { ymax } { ymin } ifelse def
+  /yright ydecr { ymin } { ymax } ifelse def
+  /ywidth ysize yextra 2 mul sub def
+  /trymin ymin ytr def /trymax ymax ytr def
+} def
+
+% norset: set up data for no rticks
+% - norset -
+/norset
+{ /rticklength 0 def
+  /rticks [] def
+} def
+
+% framestyle: print a frame around the graph
+/framestyle
+{ 0 0 moveto xsize 0 lineto xsize ysize lineto
+  0 ysize lineto closepath stroke
+  /printxtick /printxlabel xticks xleft printticks
+  /printytick /printylabel yticks ymin printticks
+  /printrtick /printrlabel rticks ymin printticks
+} def
+
+% nonestyle: print nothing around the graph
+/nonestyle
+{
+} def
+
+% axesstyle: print axes for the graph (unless axis values missing)
+/axesstyle
+{
+  xaxis false eq yaxis false eq or
+  { framestyle }
+  { xaxis yaxis trpoint dup 0 exch moveto xsize exch lineto
+    dup 0 moveto ysize lineto stroke
+    /printxaxistick /printxaxislabel xticks xleft printticks
+    /printyaxistick /printyaxislabel yticks ymin printticks
+  } ifelse
+} def
+
+% rundata: run all data sets
+/rundata
+{ alldata
+  { gsave
+    dup dup dup dup dup
+    5 get /texture exch def
+    4 get /dopaint exch def
+    3 get /initrun exch def
+    2 get /pairs exch def
+    1 get /points exch def
+    0 get /data exch def
+    dopaint
+    { data length 4 ge
+      {
+	gsave
+	initrun
+	newpath
+	data 0 get ymin trpoint yextra sub moveto
+	0 2 data length 2 sub
+	{ dup 1 add
+	  data exch get /ycurr exch def
+	  data exch get /xcurr exch def
+	  xcurr ycurr trpoint lineto
+	} for
+	data dup length 2 sub get ymin trpoint yextra sub lineto
+	closepath texture fill
+	grestore
+      } if
+    } if
+    initrun
+    data length 2 ge
+    {
+      /xcurr data 0 get def
+      /ycurr data 1 get def
+      points
+      data length 4 ge
+      { 2 2 data length 2 sub
+	{ /xprev xcurr def
+          /yprev ycurr def
+	  dup dup 2 eq /firstpair exch def
+	  data length 2 sub eq /lastpair exch def
+	  dup 1 add
+          data exch get /ycurr exch def
+          data exch get /xcurr exch def
+	  pairs
+	  points
+	} for
+      } if
+    } if
+    grestore
+  } forall
+} def
+
+end
+%%EndResource
diff --git a/include/slides b/include/slides
index 3d89c4e..86218ca 100644
--- a/include/slides
+++ b/include/slides
@@ -170,6 +170,7 @@
   # @IndexTypeOrdinary	{ @PageNum		} # Ordinary pagenum format
   # @IndexTypeMain	{ @B @PageNum		} # Main pagenum format
   # @IndexTypeSpecial	{ @I @PageNum		} # Special pagenum format
+  # @IndexRangeFormat	{ @From--@To		} # index page range format
   # @IndexColumnNumber	{ 2			} # index columns (1 to 10)
   # @IndexColumnGap	{ 1.00c	@OrIfPlain 6s	} # index column gap
   # @IndexCtd		{ Yes			} # include (ctd.) lines
@@ -189,6 +190,7 @@
   # @IndexATypeOrdinary	{ @PageNum		} # Ordinary pagenum format
   # @IndexATypeMain	{ @B @PageNum		} # Main pagenum format
   # @IndexATypeSpecial	{ @I @PageNum		} # Special pagenum format
+  # @IndexARangeFormat	{ @From--@To		} # index page range format
   # @IndexAColumnNumber	{ 2			} # index A columns (1 to 10)
   # @IndexAColumnGap	{ 1.00c	@OrIfPlain 6s	} # index A column gap
   # @IndexACtd		{ Yes			} # include (ctd.) lines
@@ -208,6 +210,7 @@
   # @IndexBTypeOrdinary	{ @PageNum		} # Ordinary pagenum format
   # @IndexBTypeMain	{ @B @PageNum		} # Main pagenum format
   # @IndexBTypeSpecial	{ @I @PageNum		} # Special pagenum format
+  # @IndexBRangeFormat	{ @From--@To		} # index page range format
   # @IndexBColumnNumber	{ 2			} # index B columns (1 to 10)
   # @IndexBColumnGap	{ 1.00c	@OrIfPlain 6s	} # index B column gap
   # @IndexBCtd		{ Yes			} # include (ctd.) lines
diff --git a/include/xind b/include/xind
new file mode 100644
index 0000000..aeade1e
--- /dev/null
+++ b/include/xind
@@ -0,0 +1 @@
+  # @IndexRangeFormat	{ @From--@To		} # index page range format
diff --git a/include/xinda b/include/xinda
new file mode 100644
index 0000000..c27301b
--- /dev/null
+++ b/include/xinda
@@ -0,0 +1 @@
+  # @IndexARangeFormat	{ @From--@To		} # index page range format
diff --git a/include/xindb b/include/xindb
new file mode 100644
index 0000000..32583e8
--- /dev/null
+++ b/include/xindb
@@ -0,0 +1 @@
+  # @IndexBRangeFormat	{ @From--@To		} # index page range format
diff --git a/maillist b/maillist
index 759b45f..615b75c 100644
--- a/maillist
+++ b/maillist
@@ -3,23 +3,14 @@ The Lout mailing list
 A public mailing list has been set up for discussion
 of the Lout document formatting system.  Thanks to
 Rodrigo Vanegas of Brown University for starting this
-list, and to Valeriy E. Ushakov for carrying on with
-it.  To subscribe to the list, send mail to
+list, to Valeriy E. Ushakov for maintaining it for
+some years, and to the current maintainer, Greg Woods.
+To subscribe to the list or unsubscribe, visit
 
-	lout-request@ptc.spbu.ru
+    http://lists.planix.com/mailman/options.cgi/lout-users/
 
-containing the word
+To post a message (only subscribers can do this), send email to
 
-	subscribe
-
-in the Subject line (it MUST be in the Subject line).
-To unsubscribe, send mail to lout-request@ptc.spbu.ru
-containing the word unsubscribe in the Subject line.
-Wait for one full working day after subscribing before
-expecting to receive any items.
-
-To post an item (only subscribers can do this), send mail to
-
-	lout@ptc.spbu.ru
+    Lout Users Mailing List <lout-users@lists.planix.com>
 
 It will be forwarded by email to all current subscribers.
diff --git a/makefile b/makefile
index c8d541e..162d573 100644
--- a/makefile
+++ b/makefile
@@ -1,6 +1,6 @@
 ###############################################################################
 #                                                                             #
-#  Make file for installing Basser Lout Version 3.29                          #
+#  Make file for installing Basser Lout Version 3.30                          #
 #                                                                             #
 #  Jeffrey H. Kingston                                                        #
 #  undated                                                                    #
@@ -47,35 +47,13 @@
 #                                                                             #
 #      These should appear like this below.                                   #
 #                                                                             #
-#  (3) This step is about to become obsolete.  This version of Lout is not    #
-#      affected by the value of DBFIX, and if beta testing shows that the     #
-#      changes that have made DBFIX unnecessary actually work, then this step #
-#      will be deleted in subsequent releases.                                #
-#                                                                             #
-#      This may be the trickiest step of all.  On some systems, for example   #
-#      NT under Visual C++, Lout's use of the system ftell() call causes      #
-#      a problem.  This problem typically manifests itself on the *second*    #
-#      pass over a large document such as the Lout User's Guide: a message    #
-#      such as "error in database file" is printed and Lout aborts.  The      #
-#      precise error may vary but should say something about a problem with   #
-#      a database file.                                                       #
-#                                                                             #
-#      If this problem occurs you can probably fix it by changing the value   #
-#      of DBFIX below to 1.  Many thanks to Valeriy E. Ushakov for this fix.  #
-#                                                                             #
-#         Systems requiring DBFIX = 0      Systems requiring DBFIX = 1        #
-#         -------------------------------------------------------------       #
-#         Unix                             NT/Visual C++                      #
-#         Cygnus gnuwin32 gcc              djgpp                              #
-#                                          Mingw32                            #
-#                                                                             #
-#  (4) Set the USESTAT macro defined below to 1 if the system you are         #
+#  (3) Set the USESTAT macro defined below to 1 if the system you are         #
 #      compiling onto has the stat() file status system call.  If you are     #
 #      unsure, or know it doesn't, set USESTAT to 0.  The stat() call,        #
 #      if used, will allow Lout to determine the time of last change          #
 #      of database index files and rebuild them automatically if required.    #
 #                                                                             #
-#  (5) Set the SAFEDFT macro defined below to 1 if you want safe execution    #
+#  (4) Set the SAFEDFT macro defined below to 1 if you want safe execution    #
 #      (i.e. disabling calls to system()) to be the default behaviour.  You   #
 #      can always specify safe or unsafe execution by means of the -S and     #
 #      -U options to lout when processing a document; SAFEDFT means that      #
@@ -83,7 +61,7 @@
 #      required when formatting computer programs, so if in doubt, do not     #
 #      change the value of SAFEDFT.                                           #
 #                                                                             #
-#  (6) Set the following four macros defined below to appropriate values:     #
+#  (5) Set the following four macros defined below to appropriate values:     #
 #                                                                             #
 #      BINDIR    Directory where Lout's binary goes.  This directory is       #
 #                assumed to exist.                                            #
@@ -98,7 +76,7 @@
 #      MANDIR    Directory where the lout and prg2lout online manual entries  #
 #                (in nroff -man) go.  This directory is assumed to exist.     #
 #                                                                             #
-#  (7) Set the following two macros defined below to appropriate values.      #
+#  (6) Set the following two macros defined below to appropriate values.      #
 #      I strongly recommend CHARIN=1 and CHAROUT=0 for all sites (English     #
 #      and non-English language).  This way we get a truly international      #
 #      standard in which everyone has access to accented characters, yet      #
@@ -133,7 +111,7 @@
 #                as \ddd escape sequences and which are printed as one-byte   #
 #                literal characters.                                          #
 #                                                                             #
-#  (8) Set macro USELOC to one of the following values, NOT TO A LOCALE.      #
+#  (7) Set macro USELOC to one of the following values, NOT TO A LOCALE.      #
 #                                                                             #
 #      0         Lout's error messages will always appear in English, and no  #
 #                source code related to locales will be executed (although    #
@@ -159,16 +137,16 @@
 #                                                                             #
 #      For error messages in other languages, consult ./locale/README.        #
 #                                                                             #
-#  (9) Set macro COLLATE to either 0 or 1.  If you set it to 1, Lout will     #
+#  (8) Set macro COLLATE to either 0 or 1.  If you set it to 1, Lout will     #
 #      use the strcoll() routine by default when sorting alphabetically       #
 #      (e.g. when sorting indexes), otherwise Lout will sort by default       #
 #      based on the ISO codes of the characters.  This default setting may    #
 #      be changed during individual runs of Lout by the -l and -L flags.      #
 #                                                                             #
-# (10) Execute "make prg2lout".  This will compile the prg2lout program,      #
+#  (9) Execute "make prg2lout".  This will compile the prg2lout program,      #
 #      leaving its binary in this directory.  Other directories unchanged.    #
 #                                                                             #
-# (11) If you want to be able to produce compressed PDF files, as opposed to  #
+# (10) If you want to be able to produce compressed PDF files, as opposed to  #
 #      uncompressed ones, you need to:                                        #
 #                                                                             #
 #      (a) obtain the zlib compression library from                           #
@@ -192,16 +170,16 @@
 #      If you don't want zlib support or cannot obtain it or cannot use it,   #
 #      leave the PDF_COMPRESSION, ZLIB, and ZLIBPATH variables as they are.   #
 #                                                                             #
-# (12) Execute "make lout".  This will compile the Lout source, leaving the   #
+# (11) Execute "make lout".  This will compile the Lout source, leaving the   #
 #      binary in this directory.  No changes are made in other directories.   #
 #                                                                             #
-# (13) This makefile assumes that Lout is not installed on your system        #
+# (12) This makefile assumes that Lout is not installed on your system        #
 #      already.  If you do have an earlier version of Lout installed,         #
 #      the simplest way to get rid of it is to type "make uninstall" now.     #
 #      Of course, this is assuming that the old version was installed in the  #
 #      same directories as where you are about to install the new version.    #
 #                                                                             #
-# (14) Execute "make install".  This will do the following things:            #
+# (13) Execute "make install".  This will do the following things:            #
 #                                                                             #
 #      (a) It will copy the lout and prg2lout binaries into $(BINDIR);        #
 #                                                                             #
@@ -224,24 +202,34 @@
 #      It is good to build the various files during installation because      #
 #      later runs will not have write permission in the library directories.  #
 #                                                                             #
-# (15) Execute "make installman".  This installs the manual entries for lout  #
+# (14) Execute "make installman".  This installs the manual entries for lout  #
 #      and prg2lout into directory $(MANDIR), which is assumed to exist.      #
 #      These entries are troff files; plain text versions are also available  #
 #      in directory ./man if you need them (install them yourself).           #
 #                                                                             #
-# (16) Execute "make installdoc".  This creates directory $(DOCDIR) and       #
+# (15) Execute "make installdoc".  This creates directory $(DOCDIR) and       #
 #      copies the Lout documentation into it.                                 #
 #                                                                             #
-# (17) If you want French error messages, execute "make installfr" now.       #
+# (16) If you want French error messages, execute "make installfr" now.       #
 #      If you want German error messages, execute "make installde" now.       #
 #      These commands compile the error messages files into packed forms      #
 #      using the gencat command, and store them in $(LIBDIR)/locale.          #
 #                                                                             #
-# (18) Execute "make clean".  This cleans up this directory.                  #
+# (17) Execute "make clean".  This cleans up this directory.                  #
+#                                                                             #
+# (18) If the usual language at your site is not English, you might like to   #
+#      now change the default value of the @InitialLanguage option on line    #
+#      252 of file $(LIBDIR)/include/bsf.  This will mean that by default     #
+#      the date and words like Chapter and July will appear in a different    #
+#      language, and hyphenation will be carried out according to patterns    #
+#      designed for that language.  You can find the list of known languages  #
+#      in the User's Guide, or in file $(LIBDIR)/include/langdefs; if yours   #
+#      is not on the list, let me know and we can work together to add it.    #
+#      This has nothing to do with locales and USELOC.                        #
 #                                                                             #
 # (19) If the usual size of a piece of paper at your site is not A4, you      #
 #      might like to now change the default value of the @PageType option     #
-#      on line 59 of file $(LIBDIR)/include/dsf:                              #
+#      on line 64 of file $(LIBDIR)/include/dsf:                              #
 #                                                                             #
 #          named @PageType { A4 @OrIfPlain Other }                            #
 #                                                                             #
@@ -250,19 +238,9 @@
 #      type is Other, which means that the page dimensions come from the      #
 #      @PageWidth and @PageHeight options.  Just change the A4, not the       #
 #      rest.  You can find the list of known page types, alternative to A4,   #
-#      in the User's Guide, and also at line 640 in $(LIBDIR)/include/dsf.    #
-#                                                                             #
-# (20) If the usual language at your site is not English, you might like to   #
-#      now change the default value of the @InitialLanguage option on line    #
-#      255 of file $(LIBDIR)/include/bsf.  This will mean that by default     #
-#      the date and words like Chapter and July will appear in a different    #
-#      language, and hyphenation will be carried out according to patterns    #
-#      designed for that language.  You can find the list of known languages  #
-#      in the User's Guide, or in file $(LIBDIR)/include/langdefs; if yours   #
-#      is not on the list, let me know and we can work together to add it.    #
-#      This has nothing to do with locales and USELOC.                        #
+#      in the User's Guide, and also at line 721 in $(LIBDIR)/include/dsf.    #
 #                                                                             #
-#  Mail jeff@cs.usyd.edu.au if you have any problems.                         #
+#  Mail jeff@it.usyd.edu.au if you have any problems.                         #
 #                                                                             #
 ###############################################################################
 
@@ -275,11 +253,11 @@ DBFIX   = 0
 USESTAT = 1
 SAFEDFT = 0
 
-DEBUGGING = 0
-TRACING =
+# DEBUGGING = 0
+# TRACING =
 
-# DEBUGGING = 1
-# TRACING = -g
+DEBUGGING = 1
+TRACING = -g
 
 BINDIR	= /home/jeff/bin
 LIBDIR	= /home/jeff/lout.lib
diff --git a/man/tmp b/man/tmp
new file mode 100644
index 0000000..02ee251
--- /dev/null
+++ b/man/tmp
@@ -0,0 +1,20 @@
+Ack and thanks.  I've taken the liberty of forwarding your
+mail to the Lout mailing list, basically so that it will
+archived.  The warning messages you would get on any
+architecture.  They just arise from macro expansions
+where the parameters are sometimes constants (these
+ones spring the warnings) and sometimes not.
+
+The User Guide contains textures, and these don't
+seem to be widely supported in PostScript software.
+They are the most likely reason why the conversion
+would not work.  You could try compiling again with
+the -t option:
+
+       -t     Ignore  texture-changing  options;  everything that
+              would otherwise have been printed using  a  texture
+              will be printed in solid colour.
+
+although even that has been reported to not fix
+the problem in all cases.
+
diff --git a/whatsnew b/whatsnew
index 9f3441c..f5698f6 100644
--- a/whatsnew
+++ b/whatsnew
@@ -363,10 +363,40 @@ Changes and new features introduced in Version 3.29 [August 2003]
     New pairs options for @Graph: dotdashed, dotdotdashed, dotdotdotdashed;
       plus @GraphDotDashed, @GraphDotDotDashed, @GraphDotDotDotDashed syms
 
-Things to do (or not)
-
-    I may have promised to add dashed, dotted etc. options to @Tbl's
-      rules, but existing code does not lend itself to it, so I haven't.
-    Bug in placement of Index/Glossary headings (awaiting example of bug).
+    Things not done
+
+      I may have promised to add dashed, dotted etc. options to @Tbl's
+	rules, but existing code does not lend itself to it, so I haven't.
+
+Changes and new features introduced in Version 3.30 [October 2004]
+
+   Bug fixes (H. K. Man's fix for PDF links, '' in Python, crashing
+     for some cases of "lout --option{value}")
+   Fixed bug with large page sizes.  Lout stores object sizes in 32-bit
+     integers, but smaller numbers (gap widths, shifts, character metrics
+     etc.) in 16-bit integers.  The left parameter of @Wide and @High was
+     erroneously being passed through a 16-bit variable.
+   Added A2 to list of page types (it works, too)
+   Reference new mailing list address
+   @HMirror and @VMirror symbols for reflecting objects
+   @IndexRangeFormat option for changing "from--to" format in indexes
+   "nolig @Font" for turning off ligatures in following object
+   @BeginSubPrefaces, @SubPreface, and @EndSubPrefaces symbols
+   @BeginSubIntroductions, @SubIntroduction, and @EndSubIntroductions symbols
+   @ParagraphItem symbol (like @ListItem but label integrated into paragraph)
+   Documented the danger of keeping valuable .ld files in source directories
+   Kerning now tries original characters before their unaccented versions
+   "@Graph style { grid }" replaces ticks in graphs with grid lines
+
+   Things not done
+
+      @CaptionGap not implementable since some gaps between figures and
+	captions are not accessible.  Try @FigureCaptionFormat.
+      Brazilian Portuguese declined on the grounds that it turned out
+        virtually identical to Portuguese Portuguese (convince me...)
+      I may have promised to add an "incontents" option to large-scale
+        structure symbols, which would allow them to opt out of the table
+	of contents.  On second thoughts I'm unwilling to do this.  I need
+	to be convinced that Lout should encourage this strange thing.
 
 Jeff Kingston
diff --git a/z01.c b/z01.c
index 39b767f..ab3a4e5 100644
--- a/z01.c
+++ b/z01.c
@@ -1,7 +1,7 @@
 /*@z01.c:Supervise:StartSym, AllowCrossDb, etc.@******************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -565,6 +565,7 @@ int main(int argc, char *argv[])
 	  StringLength(oname) == 0 || StringLength(oval) == 0 )
 	  Error(1, 24, "error in command-line option %s", FATAL, no_fpos,
 	    argv[i]+2);
+	debug2(DSP, D, "  command line option [%s] [%s]", oname, oval);
 	y = MakeWord(WORD, oname, no_fpos);
 	Link(CommandOptions, y);
 	New(y, ACAT);
@@ -602,6 +603,13 @@ int main(int argc, char *argv[])
 	}
 	if( bp > 0 )
 	{ buff[bp++] = '\0';
+	  if( Down(y) != y ) 
+	  { OBJECT g;
+	    New(g, GAP_OBJ);
+	    hspace(g) = 1;  vspace(g) = 0;
+	    FposCopy(fpos(g), *no_fpos);
+	    Link(y, g);
+	  }
 	  z = MakeWord(WORD, buff, no_fpos);
 	  Link(y, z);
 	}
@@ -770,6 +778,8 @@ int main(int argc, char *argv[])
   load(KW_CLEAR_HEADER, CLEAR_HEADER,   FALSE,  FALSE,  FALSE, DEFAULT_PREC);
   load(KW_ONE_COL,      ONE_COL,        FALSE,  TRUE,   FALSE, DEFAULT_PREC);
   load(KW_ONE_ROW,      ONE_ROW,        FALSE,  TRUE,   FALSE, DEFAULT_PREC);
+  load(KW_HMIRROR,      HMIRROR,        FALSE,  TRUE,   FALSE, DEFAULT_PREC);
+  load(KW_VMIRROR,      VMIRROR,        FALSE,  TRUE,   FALSE, DEFAULT_PREC);
   load(KW_HSCALE,       HSCALE,         FALSE,  TRUE,   FALSE, DEFAULT_PREC);
   load(KW_VSCALE,       VSCALE,         FALSE,  TRUE,   FALSE, DEFAULT_PREC);
   load(KW_HCOVER,       HCOVER,         FALSE,  TRUE,   FALSE, DEFAULT_PREC);
@@ -796,7 +806,7 @@ int main(int argc, char *argv[])
   load(KW_SINCGRAPHIC,  SINCGRAPHIC,    FALSE,  TRUE,   FALSE, DEFAULT_PREC);
   load(KW_PLAINGRAPHIC, PLAIN_GRAPHIC,  TRUE,   TRUE,   FALSE, DEFAULT_PREC);
   load(KW_GRAPHIC,      GRAPHIC,        TRUE,   TRUE,   FALSE, DEFAULT_PREC);
-  load(KW_LINK_SOURCE,   LINK_SOURCE,     TRUE,   TRUE,   FALSE, DEFAULT_PREC);
+  load(KW_LINK_SOURCE,  LINK_SOURCE,    TRUE,   TRUE,   FALSE, DEFAULT_PREC);
   load(KW_LINK_DEST,    LINK_DEST,      TRUE,   TRUE,   FALSE, DEFAULT_PREC);
   load(KW_LINK_URL,     LINK_URL,       TRUE,   TRUE,   FALSE, DEFAULT_PREC);
   load(KW_CROSS,        CROSS,          TRUE,   TRUE,   FALSE, CROSSOP_PREC);
diff --git a/z02.c b/z02.c
index c4130a9..5b217c0 100644
--- a/z02.c
+++ b/z02.c
@@ -1,7 +1,7 @@
 /*@z02.c:Lexical Analyser:Declarations@***************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z03.c b/z03.c
index 07acf17..962efce 100644
--- a/z03.c
+++ b/z03.c
@@ -1,7 +1,7 @@
 /*@z03.c:File Service:Declarations, no_fpos@******************************** */
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z04.c b/z04.c
index 96b89f1..32f22aa 100644
--- a/z04.c
+++ b/z04.c
@@ -1,7 +1,7 @@
 /*@z04.c:Token Service:NewToken(), CopyTokenList()@***************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -160,6 +160,8 @@ FULL_CHAR *EchoToken(OBJECT x)
     case HIGH:
     case HSHIFT:
     case VSHIFT:
+    case HMIRROR:
+    case VMIRROR:
     case HSCALE:
     case VSCALE:
     case HCOVER:
diff --git a/z05.c b/z05.c
index 79711e0..7d702af 100644
--- a/z05.c
+++ b/z05.c
@@ -1,7 +1,7 @@
 /*@z05.c:Read Definitions:ReadLangDef()@**************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -240,6 +240,8 @@ static void ReadTokenList(OBJECT token, OBJECT res)
     case HIGH:
     case HSHIFT:
     case VSHIFT:
+    case HMIRROR:
+    case VMIRROR:
     case HSCALE:
     case VSCALE:
     case HCOVER:
diff --git a/z06.c b/z06.c
index 060e401..3e779cf 100644
--- a/z06.c
+++ b/z06.c
@@ -1,7 +1,7 @@
 /*@z06.c:Parser:PushObj(), PushToken(), etc.@*********************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -409,6 +409,8 @@ static BOOLEAN Reduce(void)
     case HIGH:
     case HSHIFT:
     case VSHIFT:
+    case HMIRROR:
+    case VMIRROR:
     case HSCALE:
     case VSCALE:
     case HCOVER:
@@ -1002,6 +1004,8 @@ BOOLEAN defs_allowed, BOOLEAN transfer_allowed)
       case HIGH:
       case HSHIFT:
       case VSHIFT:
+      case HMIRROR:
+      case VMIRROR:
       case HSCALE:
       case VSCALE:
       case HCOVER:
diff --git a/z07.c b/z07.c
index a1d057f..015f731 100644
--- a/z07.c
+++ b/z07.c
@@ -1,7 +1,7 @@
 /*@z07.c:Object Service:SplitIsDefinite(), DisposeObject()@*******************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -246,6 +246,8 @@ OBJECT CopyObject(OBJECT x, FILE_POS *pos)
     case HIGH:
     case HSHIFT:
     case VSHIFT:
+    case HMIRROR:
+    case VMIRROR:
     case HSCALE:
     case VSCALE:
     case HCOVER:
@@ -389,7 +391,7 @@ OBJECT CopyObject(OBJECT x, FILE_POS *pos)
 
 OBJECT InsertObject(OBJECT x, OBJECT *ins, STYLE *style)
 { OBJECT link, y, g, res;
-  debug2(DOS, DDD, "InsertObject(%s, %s)", EchoObject(x), EchoObject(*ins));
+  debug2(DOS, D, "InsertObject(%s, %s)", EchoObject(x), EchoObject(*ins));
   switch( type(x) )
   {
     case WORD:
@@ -449,6 +451,8 @@ OBJECT InsertObject(OBJECT x, OBJECT *ins, STYLE *style)
     case VLIMITED:
     case HEXPAND:
     case VEXPAND:
+    case HMIRROR:
+    case VMIRROR:
     case HSCALE:
     case VSCALE:
     case HCOVER:
@@ -498,7 +502,7 @@ OBJECT InsertObject(OBJECT x, OBJECT *ins, STYLE *style)
       break;
 
   }
-  debug2(DOS, DDD, "InsertObject returning (%s) %s",
+  debug2(DOS, D, "InsertObject returning (%s) %s",
     *ins == nilobj ? "success" : "failure", EchoObject(res));
   return res;
 } /* end InsertObject */
@@ -797,6 +801,8 @@ BOOLEAN EqualManifested(OBJECT x, OBJECT y)
     case ACAT:
     case HCAT:
     case VCAT:
+    case HMIRROR:
+    case VMIRROR:
     case HSCALE:
     case VSCALE:
     case BEGIN_HEADER:
diff --git a/z08.c b/z08.c
index 518236a..2dde9e0 100644
--- a/z08.c
+++ b/z08.c
@@ -1,7 +1,7 @@
 /*@z08.c:Object Manifest:ReplaceWithSplit()@**********************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -1025,6 +1025,7 @@ OBJECT *enclose, BOOLEAN fcr)
 	word_outline(x) = outline(*style);
 	word_language(x) = language(*style);
 	word_baselinemark(x) = baselinemark(*style);
+	word_ligatures(x) = ligatures(*style);
 	word_hyph(x) = hyph_style(*style) == HYPH_ON;
 	debug3(DOM, DDD, "  manfifest/WORD underline() := %s for %s %s",
 	  "UNDER_OFF", Image(type(x)), EchoObject(x));
@@ -1059,6 +1060,7 @@ OBJECT *enclose, BOOLEAN fcr)
 	word_outline(y) = outline(*style);
 	word_language(y) = language(*style);
 	word_baselinemark(y) = baselinemark(*style);
+	word_ligatures(y) = ligatures(*style);
 	word_hyph(y) = hyph_style(*style) == HYPH_ON;
 	if( small_caps(*style) && ok )  y = MapSmallCaps(y, style);
       }
@@ -1098,6 +1100,7 @@ OBJECT *enclose, BOOLEAN fcr)
 	  word_outline(y) = outline(*style);
 	  word_language(y) = language(*style);
 	  word_baselinemark(y) = baselinemark(*style);
+	  word_ligatures(y) = ligatures(*style);
 	  word_hyph(y) = hyph_style(*style) == HYPH_ON;
 	  if( small_caps(*style) && ok )  y = MapSmallCaps(y, style);
 	}
@@ -1230,7 +1233,8 @@ OBJECT *enclose, BOOLEAN fcr)
 	    word_texture(prev) == word_texture(y) &&
 	    word_outline(prev) == word_outline(y) &&
 	    word_language(prev) == word_language(y) &&
-	    word_baselinemark(prev) == word_baselinemark(y) )
+	    word_baselinemark(prev) == word_baselinemark(y) &&
+	    word_ligatures(prev) == word_ligatures(y) )
 	    /* no need to compare underline() since both are false */
 	{ unsigned typ;
 	  assert( underline(prev) == UNDER_OFF, "Manifest/ACAT: underline(prev)!" );
@@ -1247,6 +1251,7 @@ OBJECT *enclose, BOOLEAN fcr)
 	  word_outline(y) = word_outline(prev);
 	  word_language(y) = word_language(prev);
 	  word_baselinemark(y) = word_baselinemark(prev);
+	  word_ligatures(y) = word_ligatures(prev);
 	  word_hyph(y) = word_hyph(prev);
 	  underline(y) = UNDER_OFF;
           debug3(DOM, DDD, "  manifest/ACAT4 underline() := %s for %s %s",
@@ -1283,17 +1288,11 @@ OBJECT *enclose, BOOLEAN fcr)
     case HIGH:
     
       Child(y, Down(x));
-      y = Manifest(y, env, style, nbt, nft, &ntarget, crs, FALSE, FALSE, &nenclose, fcr);
+      y = Manifest(y, env, style, nbt, nft, &ntarget, crs, FALSE, FALSE,
+	&nenclose, fcr);
       y = ReplaceWithTidy(y, ACAT_TIDY);
-      GetGap(y, style, &res_gap, &res_inc);
-      if( res_inc != GAP_ABS || mode(res_gap) != EDGE_MODE ||
-	units(res_gap) != FIXED_UNIT )
-      {	Error(8, 26, "replacing invalid left parameter of %s by 2i",
-	  WARN, &fpos(y), Image(type(x)) );
-	units(res_gap) = FIXED_UNIT;
-	width(res_gap) = 2*IN;
-      }
-      SetConstraint(constraint(x), MAX_FULL_LENGTH, width(res_gap), MAX_FULL_LENGTH);
+      num1 = GetWidth(y, style);
+      SetConstraint(constraint(x), MAX_FULL_LENGTH, num1, MAX_FULL_LENGTH);
       DisposeChild(Down(x));
       goto ETC;		/* two cases down from here */
 
@@ -1451,6 +1450,8 @@ OBJECT *enclose, BOOLEAN fcr)
     case START_HVSPAN:
     case START_HSPAN:
     case START_VSPAN:
+    case HMIRROR:
+    case VMIRROR:
     case HSCALE:
     case VSCALE:
     case HCOVER:
diff --git a/z09.c b/z09.c
index 5376142..51c7334 100644
--- a/z09.c
+++ b/z09.c
@@ -1,7 +1,7 @@
 /*@z09.c:Closure Expansion:SearchEnv()@***************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z10.c b/z10.c
index 9f612f2..d80f2fd 100644
--- a/z10.c
+++ b/z10.c
@@ -1,7 +1,7 @@
 /*@z10.c:Cross References:CrossInit(), CrossMake()@***************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z11.c b/z11.c
index f5f483e..36d17b4 100644
--- a/z11.c
+++ b/z11.c
@@ -1,7 +1,7 @@
 /*@z11.c:Style Service:EchoStyle()@*******************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z12.c b/z12.c
index adf5552..0ffed05 100644
--- a/z12.c
+++ b/z12.c
@@ -1,7 +1,7 @@
 /*@z12.c:Size Finder:MinSize()@***********************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -41,32 +41,6 @@ static int debug_depth = 1;
 static int debug_depth_max = 7;
 #endif
 
-/*****************************************************************************/
-/*                                                                           */
-/*  KernLength(fnum, ch1, ch2, res)                                          */
-/*                                                                           */
-/*  Set res to the kern length between ch1 and ch2 in font fnum, or 0 if     */
-/*  none.                                                                    */
-/*                                                                           */
-/*****************************************************************************/
-
-static FULL_LENGTH KernLength(FONT_NUM fnum, FULL_CHAR ch1, FULL_CHAR ch2)
-{ FULL_LENGTH res;
-  MAPPING m         = font_mapping(finfo[fnum].font_table);
-  FULL_CHAR *unacc  = MapTable[m]->map[MAP_UNACCENTED];
-  int ua_ch1        = unacc[ch1];
-  int ua_ch2        = unacc[ch2];
-  int i = finfo[fnum].kern_table[ua_ch1], j;
-  if( i == 0 )  res = 0;
-  else
-  { FULL_CHAR *kc = finfo[fnum].kern_chars;
-    for( j = i;  kc[j] > ua_ch2;  j++ );
-    res = (kc[j] == ua_ch2) ?
-      finfo[fnum].kern_sizes[finfo[fnum].kern_value[j]] : 0;
-  }
-  return res;
-} /* end KernLength */
-
 
 /*****************************************************************************/
 /*                                                                           */
@@ -732,6 +706,22 @@ OBJECT MinSize(OBJECT x, int dim, OBJECT *extras)
       break;
 
 
+    case HMIRROR:
+    case VMIRROR:
+
+      Child(y, Down(x));
+      y = MinSize(y, dim, extras);
+      if( (dim == COLM) == (type(x) == HMIRROR) )
+      {	back(x, dim) = fwd(y, dim);
+	fwd(x, dim)  = back(y, dim);
+      }
+      else
+      {	back(x, dim) = back(y, dim);
+	fwd(x, dim)  = fwd(y, dim);
+      }
+      break;
+
+
     case HSCALE:
     case VSCALE:
 
@@ -821,8 +811,10 @@ OBJECT MinSize(OBJECT x, int dim, OBJECT *extras)
 	/* adjust if successful */
 	if( ch_left != (FULL_CHAR) '\0' && ch_right != (FULL_CHAR) '\0' )
 	{
-	  ksize = KernLength(word_font(y), ch_left, ch_right);
-	  debug4(DSF, DD, "  KernLength(%s, %c, %c) = %s",
+	  MAPPING m = font_mapping(finfo[word_font(y)].font_table);
+  	  FULL_CHAR *unacc = MapTable[m]->map[MAP_UNACCENTED];
+	  ksize = FontKernLength(word_font(y), unacc, ch_left, ch_right);
+	  debug4(DSF, DD, "  FontKernLength(%s, %c, %c) = %s",
 	    FontName(word_font(y)), (char) ch_left, (char) ch_right,
 	    EchoLength(ksize));
 	  fwd(x, dim) += ksize;
@@ -960,6 +952,7 @@ OBJECT MinSize(OBJECT x, int dim, OBJECT *extras)
 		word_outline(z) = outline(save_style(x));
 		word_language(z) = language(save_style(x));
 		word_baselinemark(z) = baselinemark(save_style(x));
+		word_ligatures(z) = ligatures(save_style(x));
 		word_hyph(z) = hyph_style(save_style(x)) == HYPH_ON;
 		underline(z) = UNDER_OFF;
 		back(z, COLM) = fwd(z, COLM) = 0;
@@ -1051,6 +1044,7 @@ OBJECT MinSize(OBJECT x, int dim, OBJECT *extras)
 		    word_outline(prev) == word_outline(y) &&
 		    word_language(prev) == word_language(y) &&
 		    word_baselinemark(prev) == word_baselinemark(y) &&
+		    word_ligatures(prev) == word_ligatures(y) &&
 		    underline(prev) == underline(y) &&
 		    NextDown(NextDown(Up(prev))) == link
 		    )
@@ -1070,6 +1064,7 @@ OBJECT MinSize(OBJECT x, int dim, OBJECT *extras)
 		  word_outline(y) = word_outline(prev);
 		  word_language(y) = word_language(prev);
 		  word_baselinemark(y) = word_baselinemark(prev);
+		  word_ligatures(y) = word_ligatures(prev);
 		  word_hyph(y) = word_hyph(prev);
 		  underline(y) = underline(prev);
 		  FontWordSize(y);
diff --git a/z13.c b/z13.c
index 687ddc8..0eaccb6 100644
--- a/z13.c
+++ b/z13.c
@@ -1,7 +1,7 @@
 /*@z13.c:Object Breaking:BreakJoinedGroup()@**********************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -549,6 +549,7 @@ OBJECT BreakObject(OBJECT x, CONSTRAINT *c)
 	outline(save_style(y)) = word_outline(x);
 	language(save_style(y)) = word_language(x);
 	baselinemark(save_style(y)) = word_baselinemark(x);
+	ligatures(save_style(y)) = word_ligatures(x);
 	debug3(DOF, DD, "  in BreakObject y %s %s %s",
 	  EchoStyle(&save_style(y)), Image(type(y)), EchoObject(y));
 
@@ -612,7 +613,18 @@ OBJECT BreakObject(OBJECT x, CONSTRAINT *c)
       break;
 
 
+    case HMIRROR:
+
+      FlipConstraint(yc, *c);
+      Child(y, Down(x));
+      y = BreakObject(y, &yc);
+      back(x, COLM) = fwd(y, COLM);
+      fwd(x, COLM) = back(y, COLM);
+      break;
+
+
     case HIGH:
+    case VMIRROR:
     case VSCALE:
     case VCOVER:
     case VSHIFT:
diff --git a/z14.c b/z14.c
index 9220478..ebb2a6c 100644
--- a/z14.c
+++ b/z14.c
@@ -1,7 +1,7 @@
 /*@z14.c:Fill Service:Declarations@*******************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -224,6 +224,7 @@ typedef struct {
 	    word_outline(hyph_word) = outline(save_style(x));		\
 	    word_language(hyph_word) = language(save_style(x));		\
 	    word_baselinemark(hyph_word) = baselinemark(save_style(x));	\
+	    word_ligatures(hyph_word) = ligatures(save_style(x));	\
 	    word_hyph(hyph_word) = hyph_style(save_style(x))==HYPH_ON;	\
 	  }								\
 	  if( word_font(hyph_word) != word_font(right) )		\
@@ -559,6 +560,7 @@ OBJECT FillObject(OBJECT x, CONSTRAINT *c, OBJECT multi, BOOLEAN can_hyphenate,
       word_outline(res) = outline(save_style(x));
       word_language(res) = language(save_style(x));
       word_baselinemark(res) = baselinemark(save_style(x));
+      word_ligatures(res) = ligatures(save_style(x));
       word_hyph(res) = hyph_style(save_style(x)) == HYPH_ON;
       back(res, COLM) = fwd(res, COLM) = 0;
       ReplaceNode(res, x);
@@ -581,6 +583,7 @@ OBJECT FillObject(OBJECT x, CONSTRAINT *c, OBJECT multi, BOOLEAN can_hyphenate,
   word_outline(tmp) = 0;
   word_language(tmp) = 0;
   word_baselinemark(tmp) = FALSE;
+  word_ligatures(tmp) = TRUE;
   word_hyph(tmp) = 0;
   underline(tmp) = UNDER_OFF;
   Link(x, tmp);
@@ -758,6 +761,7 @@ OBJECT FillObject(OBJECT x, CONSTRAINT *c, OBJECT multi, BOOLEAN can_hyphenate,
 	word_outline(t1) = 0;
 	word_language(t1) = 0;
 	word_baselinemark(t1) = FALSE;
+	word_ligatures(t1) = TRUE;
 	word_hyph(t1) = 0;
 	underline(t1) = UNDER_OFF;
 	New(t2, WIDE);
@@ -803,6 +807,7 @@ OBJECT FillObject(OBJECT x, CONSTRAINT *c, OBJECT multi, BOOLEAN can_hyphenate,
 	word_outline(z) = word_outline(tmp);
 	word_language(z) = word_language(tmp);
 	word_baselinemark(z) = word_baselinemark(tmp);
+	word_ligatures(z) = word_ligatures(tmp);
 	word_hyph(z) = hyph_style(save_style(x)) == HYPH_ON;
 	underline(z) = underline(tmp);
 	FontWordSize(z);
@@ -899,6 +904,7 @@ OBJECT FillObject(OBJECT x, CONSTRAINT *c, OBJECT multi, BOOLEAN can_hyphenate,
 	        word_outline(prev) == word_outline(next) &&
 	        word_language(prev) == word_language(next) &&
 	        word_baselinemark(prev) == word_baselinemark(next) &&
+	        word_ligatures(prev) == word_ligatures(next) &&
 	        underline(prev) == underline(next) )
 	    { 
 	      debug2(DOF, DD, "joining %s with %s", EchoObject(prev),
@@ -911,6 +917,7 @@ OBJECT FillObject(OBJECT x, CONSTRAINT *c, OBJECT multi, BOOLEAN can_hyphenate,
 	      word_outline(tmp) = word_outline(prev);
 	      word_language(tmp) = word_language(prev);
 	      word_baselinemark(tmp) = word_baselinemark(prev);
+	      word_ligatures(tmp) = word_ligatures(prev);
 	      word_hyph(tmp) = word_hyph(prev);
 	      FontWordSize(tmp);
 	      underline(tmp) = underline(prev);
diff --git a/z15.c b/z15.c
index b709fcc..068ae5a 100644
--- a/z15.c
+++ b/z15.c
@@ -1,7 +1,7 @@
 /*@z15.c:Size Constraints:MinConstraint(), EnlargeToConstraint()@*************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -502,6 +502,19 @@ void Constrained(OBJECT x, CONSTRAINT *xc, int dim, OBJECT *why)
       break;
 
 
+    case HMIRROR:
+    case VMIRROR:
+    
+      if( (dim == COLM) == (type(y) == HMIRROR) )
+      {
+        Constrained(y, &yc, dim, why);
+	FlipConstraint(*xc, yc);
+      }
+      else
+        Constrained(y, xc, dim, why);
+      break;
+
+
     case HSCALE:
     case VSCALE:
     
@@ -812,6 +825,8 @@ void DebugConstrained(OBJECT x)
     case VLIMITED:
     case HEXPAND:
     case VEXPAND:
+    case HMIRROR:
+    case VMIRROR:
     case HSCALE:
     case VSCALE:
     case HCOVER:
diff --git a/z16.c b/z16.c
index ec2b92c..f63bbc8 100644
--- a/z16.c
+++ b/z16.c
@@ -1,7 +1,7 @@
 /*@z16.c:Size Adjustment:SetNeighbours(), CatAdjustSize()@********************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -409,6 +409,17 @@ void AdjustSize(OBJECT x, FULL_LENGTH b, FULL_LENGTH f, int dim)
 	break;
 
 
+      case HMIRROR:
+      case VMIRROR:
+
+	back(x, dim) = b;  fwd(x, dim) = f;
+	if( (dim == COLM) == (type(y) == HMIRROR) )
+	{
+	  tb = b; b = f; f = tb;
+	}
+	break;
+
+
       case HSCALE:
       case VSCALE:
 
diff --git a/z17.c b/z17.c
index 442dc28..f190f76 100644
--- a/z17.c
+++ b/z17.c
@@ -1,7 +1,7 @@
 /*@z17.c:Gap Widths:GetGap()@*************************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -32,6 +32,142 @@
 
 /*****************************************************************************/
 /*                                                                           */
+/*  int GetWidth(OBJECT x, STYLE *style)                                     */
+/*                                                                           */
+/*  Get a width from object x, according to the grammar                      */
+/*                                                                           */
+/*      <width>  ::=  <unsigned number> <units>                              */
+/*      <units>  ::=  c  |  i  |  p  |  m  |  f  |  s  |  v  |  y  |  z      */
+/*                                                                           */
+/*****************************************************************************/
+
+int GetWidth(OBJECT x, STYLE *style)
+{ int res;  float num; 
+  FULL_CHAR *str;
+
+  debug2(DGW, D, "GetWidth(%s, %s)", EchoObject(x), EchoStyle(style));
+
+  /* make sure we have a WORD or QWORD argument */
+  if( !is_word(type(x)) )
+  { Error(17, 11, "width is not a simple word (replacing with 5c)",
+      WARN, &fpos(x));
+    debug1(DGW, D, "GetWidth failing (x = %s)", EchoObject(x));
+    return 5 * CM;
+  }
+  str = string(x);
+
+  /* ignore initial + or - */
+  if( *str == '+' || *str == '-' )
+  {
+    Error(17, 12, "ignoring initial %c character in width", WARN, &fpos(x), *str);
+    str++;
+  }
+
+  /* if word is empty, error */
+  if( *str == '\0' )
+  {
+    Error(17, 13, "width is empty (replacing with 5c)", WARN, &fpos(x));
+    debug0(DGW, D, "GetWidth failing (null word)");
+    return 5 * CM;
+  }
+
+  /* read the width */
+  if( sscanf((char *) str, "%f", &num) != 1 )
+  { Error(17, 14, "width missing from %s (replacing with 5c)", WARN,
+      &fpos(x), str);
+    debug0(DGW, D, "GetWidth failing (width missing)");
+    return 5 * CM;
+  }
+  while( numericchar(*str) )  str++;
+
+  /* make sure there is a units letter */
+  if( *str == '\0' )
+  {
+    Error(17, 15, "unit missing from width %s (5c substituted)", WARN,
+      &fpos(x), string(x));
+    res = 5 * CM;
+  }
+
+  /* make sure there is nothing after the units letter */
+  else if( *(str + 1) != '\0' )
+  {
+    Error(17, 16, "extra character(s) at end of width %s (5c substituted)",
+      WARN, &fpos(x), string(x));
+    res = 5 * CM;
+  }
+
+  /* read the compulsory unit and calculate length */
+  else switch( *str )
+  {
+    case CH_UNIT_CM:
+      
+      res = num * CM;
+      break;
+
+    case CH_UNIT_IN:
+      
+      res = num * IN;
+      break;
+
+    case CH_UNIT_PT:
+
+      res = num * PT;
+      break;
+
+    case CH_UNIT_EM:
+      
+      res = num * EM;
+      break;
+
+    case CH_UNIT_FT:
+      
+      res = num * FontSize(font(*style), x);
+      break;
+
+    case CH_UNIT_SP:
+      
+      res = num * width(space_gap(*style));
+      break;
+
+    case CH_UNIT_VS:
+      
+      res = num * width(line_gap(*style));
+      break;
+
+    case CH_UNIT_YU:
+      
+      res = num * yunit(*style);
+      break;
+
+    case CH_UNIT_ZU:
+      
+      res = num * zunit(*style);
+      break;
+
+    case CH_UNIT_WD:
+    case CH_UNIT_BD:
+    case CH_UNIT_RL:
+    case CH_UNIT_DG:
+			
+      Error(17, 17, "'%c' unit not allowed in width (5c substituted)",
+	WARN, &fpos(x), *--str);
+      res = 5 * CM;
+      break;
+
+    default:
+      
+      Error(17, 18, "unknown unit in width %s (5c substituted)", WARN,
+	&fpos(x), string(x));
+      res = 5 * CM;
+      break;
+  }
+  debug1(DGW, D, "GetWidth returning %d", res);
+  return res;
+}
+
+
+/*****************************************************************************/
+/*                                                                           */
 /*  GetGap(x, style, res_gap, res_inc)                                       */
 /*                                                                           */
 /*  Object x is expected to be a WORD or QWORD containing a gap:             */
@@ -126,6 +262,9 @@ void GetGap(OBJECT x, STYLE *style, GAP *res_gap, unsigned *res_inc)
   { Error(17, 5, "%.1fr too large (1.0r substituted)", WARN, &fpos(x), num);
     w = FR;
   }
+  if( w > MAX_SHORT_LENGTH )
+    Error(17, 5, "%s exceeds maximum allowed gap size", FATAL, &fpos(x),
+      string(x));
   width(*res_gap) = w;
 
   /* read the optional gap mode */
diff --git a/z18.c b/z18.c
index a782deb..b50b496 100644
--- a/z18.c
+++ b/z18.c
@@ -1,7 +1,7 @@
 /*@z18.c:Galley Transfer:Declarations@****************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -90,6 +90,7 @@ void TransferInit(OBJECT InitEnv)
   nobreakfirst(InitialStyle)	= FALSE;
   nobreaklast(InitialStyle)	= FALSE;
   baselinemark(InitialStyle)	= FALSE;                /* i.e. not baseline */
+  ligatures(InitialStyle)	= TRUE;                 /* i.e. ligatures    */
 
   /* construct destination for root galley */
   New(up_hd, HEAD);
diff --git a/z19.c b/z19.c
index d941948..7b7f96c 100644
--- a/z19.c
+++ b/z19.c
@@ -1,7 +1,7 @@
 /*@z19.c:Galley Attaching:DetachGalley()@*************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -540,6 +540,8 @@ int AttachGalley(OBJECT hd, OBJECT *inners, OBJECT *suspend_pt)
 	case HIGH:
 	case HSHIFT:
 	case VSHIFT:
+	case HMIRROR:
+	case VMIRROR:
 	case HSCALE:
 	case VSCALE:
 	case HCOVER:
diff --git a/z20.c b/z20.c
index c82dbdb..0b7b387 100644
--- a/z20.c
+++ b/z20.c
@@ -1,7 +1,7 @@
 /*@z20.c:Galley Flushing:DebugInnersNames()@**********************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -508,6 +508,8 @@ void FlushGalley(OBJECT hd)
       case HIGH:
       case HSHIFT:
       case VSHIFT:
+      case HMIRROR:
+      case VMIRROR:
       case HSCALE:
       case VSCALE:
       case HCOVER:
diff --git a/z21.c b/z21.c
index bc192dc..d9c27cf 100644
--- a/z21.c
+++ b/z21.c
@@ -1,7 +1,7 @@
 /*@z21.c:Galley Maker:SizeGalley()@*******************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -311,6 +311,7 @@ OBJECT *dest_index, OBJECT *recs, OBJECT *inners, OBJECT enclose)
 	word_font(tmp) = word_colour(tmp) = word_language(tmp) = 0;
 	word_texture(tmp) = 1;
 	word_baselinemark(tmp) = FALSE;
+	word_ligatures(tmp) = TRUE;
 	word_outline(tmp) = FALSE;
 	word_hyph(tmp) = FALSE;
 	ReplaceNode(tmp, t);
diff --git a/z22.c b/z22.c
index 7df2b0c..294b671 100644
--- a/z22.c
+++ b/z22.c
@@ -1,7 +1,7 @@
 /*@z22.c:Galley Service:Interpose()@******************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -332,6 +332,8 @@ static OBJECT FindSplitInGalley(OBJECT hd)
     case ONE_COL:
     case SCALE:
     case KERN_SHRINK:
+    case HMIRROR:
+    case VMIRROR:
     case HSCALE:
     case VSCALE:
     case HCOVER:
@@ -649,6 +651,7 @@ void Promote(OBJECT hd, OBJECT stop_link, OBJECT dest_index, BOOLEAN join_after)
 	word_outline(last) = word_outline(y);
 	word_language(last) = word_language(y);
 	word_baselinemark(last) = word_baselinemark(y);
+	word_ligatures(last) = word_ligatures(y);
 	word_hyph(last) = word_hyph(y);
 	Link(opt_components(hd), last);
 	debug2(DOG, DD, "  adding %s \"%s\"", Image(type(last)), string(last));
@@ -827,6 +830,8 @@ void Promote(OBJECT hd, OBJECT stop_link, OBJECT dest_index, BOOLEAN join_after)
 	case HIGH:
 	case HSHIFT:
 	case VSHIFT:
+	case HMIRROR:
+	case VMIRROR:
 	case HSCALE:
 	case VSCALE:
 	case HCOVER:
diff --git a/z23.c b/z23.c
index cccedeb..37c9022 100644
--- a/z23.c
+++ b/z23.c
@@ -1,7 +1,7 @@
 /*@z23.c:Galley Printer:ScaleFactor()@****************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -388,6 +388,52 @@ OBJECT FixAndPrintObject(OBJECT x, FULL_LENGTH xmk, FULL_LENGTH xb,
       break;
 
 
+    case HMIRROR:
+
+      if( BackEnd->mirror_avail )
+      {
+	CountChild(y, Down(x), count);
+	if( dim == COLM )
+	{
+	  save_mark(x) = xmk;
+	  y = FixAndPrintObject(y, 0, back(y, COLM), fwd(y, COLM), dim,
+	    NO_SUPPRESS, pg, count, &aback, &afwd);
+	}
+	else
+	{ BackEnd->SaveGraphicState(y);
+	  BackEnd->CoordTranslate(save_mark(x), pg - xmk);
+	  BackEnd->CoordHMirror();
+	  y = FixAndPrintObject(y, 0, back(y, ROWM), fwd(y, ROWM), dim,
+	    NO_SUPPRESS, 0, count, &aback, &afwd);
+	  BackEnd->RestoreGraphicState();
+	}
+      }
+      *actual_back = xb;  *actual_fwd = xf;
+      break;
+
+
+    case VMIRROR:
+
+      debug0(DRS, DD, "FixAndPrintObject at VMIRROR");
+      if( BackEnd->mirror_avail )
+      {
+	CountChild(y, Down(x), count);
+	if( dim == COLM )
+	  y = FixAndPrintObject(y, xmk, xb, xf, dim, NO_SUPPRESS, pg, count,
+		&aback, &afwd);
+	else
+	{ BackEnd->SaveGraphicState(y);
+	  BackEnd->CoordTranslate(0, pg - xmk);
+	  BackEnd->CoordVMirror();
+	  y = FixAndPrintObject(y, 0, back(y, ROWM), fwd(y, ROWM), dim,
+	    NO_SUPPRESS, 0, count, &aback, &afwd);
+	  BackEnd->RestoreGraphicState();
+	}
+      }
+      *actual_back = xb;  *actual_fwd = xf;
+      break;
+
+
     case VSCALE:
 
       debug0(DRS, DD, "FixAndPrintObject at VSCALE");
diff --git a/z24.c b/z24.c
index b07c446..69c4b86 100644
--- a/z24.c
+++ b/z24.c
@@ -1,7 +1,7 @@
 /*@z24.c:Print Service:PrintInit()@*******************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z25.c b/z25.c
index c28ff8d..4207d6c 100644
--- a/z25.c
+++ b/z25.c
@@ -1,7 +1,7 @@
 /*@z25.c:Object Echo:aprint(), cprint(), printnum()@**************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -716,6 +716,8 @@ static void echo(OBJECT x, unsigned outer_prec, int count)
     case PADJUST:
     case HADJUST:
     case VADJUST:
+    case HMIRROR:
+    case VMIRROR:
     case HSCALE:
     case VSCALE:
     case HCOVER:
diff --git a/z26.c b/z26.c
index ab00984..83346b7 100644
--- a/z26.c
+++ b/z26.c
@@ -1,7 +1,7 @@
 /*@z26.c:Echo Service:BeginString()@******************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -171,6 +171,8 @@ FULL_CHAR *Image(unsigned int c)
     case HIGH:			return  KW_HIGH;
     case HSHIFT:		return  KW_HSHIFT;
     case VSHIFT:		return  KW_VSHIFT;
+    case HMIRROR:		return  KW_HMIRROR;
+    case VMIRROR:		return  KW_VMIRROR;
     case HSCALE:		return  KW_HSCALE;
     case VSCALE:		return  KW_VSCALE;
     case HCOVER:		return  KW_HCOVER;
diff --git a/z27.c b/z27.c
index 4575cd0..d9a64e0 100644
--- a/z27.c
+++ b/z27.c
@@ -1,7 +1,7 @@
 /*@z27.c:Debug Service:Debug flags@*******************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z28.c b/z28.c
index 697f9d1..de08474 100644
--- a/z28.c
+++ b/z28.c
@@ -1,7 +1,7 @@
 /*@z28.c:Error Service:ErrorInit(), ErrorSeen()@******************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z29.c b/z29.c
index 853200a..a6667d9 100644
--- a/z29.c
+++ b/z29.c
@@ -1,7 +1,7 @@
 /*@z29.c:Symbol Table:Declarations, hash()@***********************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z30.c b/z30.c
index 5b918eb..05116be 100644
--- a/z30.c
+++ b/z30.c
@@ -1,7 +1,7 @@
 /*@z30.c:Symbol uses:InsertUses()@********************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z31.c b/z31.c
index 09767e4..8c01c55 100644
--- a/z31.c
+++ b/z31.c
@@ -1,7 +1,7 @@
 /*@z31.c:Memory Allocator:DebugMemory()@**************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -197,6 +197,8 @@ void MemInit(void)
   zz_lengths[ HIGH         ] =
   zz_lengths[ HSHIFT       ] =
   zz_lengths[ VSHIFT       ] =
+  zz_lengths[ HMIRROR      ] =
+  zz_lengths[ VMIRROR      ] =
   zz_lengths[ HSCALE       ] =
   zz_lengths[ VSCALE       ] =
   zz_lengths[ HCOVER       ] =
diff --git a/z32.c b/z32.c
index 3a67403..a337422 100644
--- a/z32.c
+++ b/z32.c
@@ -1,7 +1,7 @@
 /*@z32.c:Counter Service:Next()@**********************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -65,6 +65,7 @@ OBJECT Next(OBJECT x, int inc, BOOLEAN *done)
       word_outline(y) = word_outline(x);
       word_language(y) = word_language(x);
       word_baselinemark(y) = word_baselinemark(x);
+      word_ligatures(y) = word_ligatures(x);
       word_hyph(y) = word_hyph(x);
       underline(y) = underline(x);
       MergeNode(y, x);  x = y;
@@ -108,6 +109,8 @@ OBJECT Next(OBJECT x, int inc, BOOLEAN *done)
     case PADJUST:
     case HADJUST:
     case VADJUST:
+    case HMIRROR:
+    case VMIRROR:
     case HSCALE:
     case VSCALE:
     case HCOVER:
diff --git a/z33.c b/z33.c
index 02e1cd6..a514207 100644
--- a/z33.c
+++ b/z33.c
@@ -1,7 +1,7 @@
 /*@z33.c:Database Service:OldCrossDb(), NewCrossDb(), SymToNum()@*************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z34.c b/z34.c
index 1c840da..bed4679 100644
--- a/z34.c
+++ b/z34.c
@@ -1,7 +1,7 @@
 /*@z34.c:Rotation Service:Declarations@***************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z35.c b/z35.c
index 3036efa..8a9d8b7 100644
--- a/z35.c
+++ b/z35.c
@@ -1,7 +1,7 @@
 /*@z35.c:Time Keeper: MomentSym(), TimeString()@******************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z36.c b/z36.c
index 9a2ed4b..7d794c9 100644
--- a/z36.c
+++ b/z36.c
@@ -1,7 +1,7 @@
 /*@z36.c:Hyphenation: Declarations@*******************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -1086,6 +1086,7 @@ OBJECT Hyphenate(OBJECT x)
       word_outline(z) = word_outline(y);
       word_language(z) = word_language(y);
       word_baselinemark(z) = word_baselinemark(y);
+      word_ligatures(z) = word_ligatures(y);
       word_hyph(z) = word_hyph(y);
       underline(z) = underline(y);
       debug1(DHY, DD, "Hyphenate (hyph case) making fragment %s", string(z));
@@ -1203,6 +1204,7 @@ OBJECT Hyphenate(OBJECT x)
 	word_outline(z) = word_outline(y);
 	word_language(z) = word_language(y);
 	word_baselinemark(z) = word_baselinemark(y);
+	word_ligatures(z) = word_ligatures(y);
 	word_hyph(z) = word_hyph(y);
 	underline(z) = underline(y);
         debug1(DHY, D, "Hyphenate making fragment %s", string(z));
diff --git a/z37.c b/z37.c
index fb74cb8..bf1c602 100644
--- a/z37.c
+++ b/z37.c
@@ -1,7 +1,7 @@
 /*@z37.c:Font Service:Declarations@*******************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -898,7 +898,7 @@ static OBJECT FontRead(FULL_CHAR *family_name, FULL_CHAR *face_name, OBJECT err)
 
 	      /* check that ch1 is contiguous with previous occurrences */
 	      if( ch1 != last_ch1 && kt[ch1] != 0 )
-	      { Error(37, 35, "non-contiguous kerning pair %s %s in font file %s (line %d)",
+	      { Error(37, 35, "ignoring out-of-order kerning pair %s %s in font file %s (line %d)",
 		  WARN, &fpos(AFMfilename), name1, name2, FileName(fnum), lnum);
 		continue;
 	      }
@@ -1067,9 +1067,9 @@ void FontChange(STYLE *style, OBJECT x)
 
   /***************************************************************************/
   /*                                                                         */
-  /*  Analyse x, doing any small-caps and baselinemark changes immediately,  */
-  /*  and putting all the other words of x into par[0 .. num-1] for further  */
-  /*  analysis.                                                              */
+  /*  Analyse x, doing any small-caps, baselinemark and ligatures changes    */
+  /*  immediately, and putting all the other words of x into par[0 .. num-1] */
+  /*  for further analysis.                                                  */
   /*                                                                         */
   /***************************************************************************/
 
@@ -1093,6 +1093,10 @@ void FontChange(STYLE *style, OBJECT x)
         baselinemark(*style) = TRUE;
       else if( StringEqual(string(x), STR_XHEIGHT2_MARK) )
         baselinemark(*style) = FALSE;
+      else if( StringEqual(string(x), STR_LIG) )
+        ligatures(*style) = TRUE;
+      else if( StringEqual(string(x), STR_NOLIG) )
+        ligatures(*style) = FALSE;
       else if( StringEqual(string(x), STR_SMALL_CAPS_SET) )
         Error(37, 65, "%s in left parameter of %s must be followed by a value",
           WARN, &fpos(x), STR_SMALL_CAPS_SET, KW_FONT);
@@ -1117,6 +1121,10 @@ void FontChange(STYLE *style, OBJECT x)
 	    baselinemark(*style) = TRUE;
 	  else if( StringEqual(string(y), STR_XHEIGHT2_MARK) )
 	    baselinemark(*style) = FALSE;
+	  else if( StringEqual(string(y), STR_LIG) )
+	    ligatures(*style) = TRUE;
+	  else if( StringEqual(string(y), STR_NOLIG) )
+	    ligatures(*style) = FALSE;
 	  else if( StringEqual(string(y), STR_SMALL_CAPS_SET) )
 	  {
 	    if( NextDown(link) == x || NextDown(NextDown(link)) == x )
@@ -1479,27 +1487,69 @@ void FontChange(STYLE *style, OBJECT x)
 
 /*****************************************************************************/
 /*                                                                           */
-/*  KernLength(fnum, ch1, ch2, res)                                          */
+/*  FULL_LENGTH FontKernLength(FONT_NUM fnum, FULL_CHAR *unacc_map,          */
+/*    FULL_CHAR ch1, FULL_CHAR ch2)                                          */
 /*                                                                           */
 /*  Set res to the kern length between ch1 and ch2 in font fnum, or 0 if     */
-/*  none.  Actually we first convert ch1 and ch2 to corresponding unaccented */
-/*  characters, because metrics files don't seem to contain kerning pairs    */
-/*  for accented characters.                                                 */
+/*  none.                                                                    */
+/*                                                                           */
+/*  Parameter unacc_map is the mapping from characters to their unaccented   */
+/*  versions.  If no kerning data is available for ch1 and ch2, then their   */
+/*  unaccented versions are used instead.                                    */
 /*                                                                           */
 /*****************************************************************************/
 
-#define KernLength(fnum, mp, ch1, ch2, res)				\
-{ int ua_ch1 = mp[ch1];							\
-  int ua_ch2 = mp[ch2];							\
-  int i = finfo[fnum].kern_table[ua_ch1], j;				\
-  if( i == 0 )  res = 0;						\
-  else									\
-  { FULL_CHAR *kc = finfo[fnum].kern_chars;				\
-    for( j = i;  kc[j] > ua_ch2;  j++ );				\
-    res = (kc[j] == ua_ch2) ?						\
-      finfo[fnum].kern_sizes[finfo[fnum].kern_value[j]] : 0;		\
-  }									\
-} /* end KernLength */
+/* *** old version which just used the unaccented characters 
+FULL_LENGTH FontKernLength(FONT_NUM fnum, FULL_CHAR *unacc_map,
+  FULL_CHAR ch1, FULL_CHAR ch2)
+{
+  FULL_LENGTH res;  int ua_ch1, ua_ch2, i, j;
+  ua_ch1 = unacc_map[ch1];
+  ua_ch2 = unacc_map[ch2];
+  i = finfo[fnum].kern_table[ua_ch1];
+  if( i == 0 )  res = 0;
+  else
+  { FULL_CHAR *kc = finfo[fnum].kern_chars;
+    for( j = i;  kc[j] > ua_ch2;  j++ );
+    res = (kc[j] == ua_ch2) ?
+      finfo[fnum].kern_sizes[finfo[fnum].kern_value[j]] : 0;
+  }
+  return res;
+}
+*** */
+
+FULL_LENGTH FontKernLength(FONT_NUM fnum, FULL_CHAR *unacc_map,
+  FULL_CHAR ch1, FULL_CHAR ch2)
+{
+  int ua_ch1, ua_ch2, i, j;
+  FULL_CHAR *kc = finfo[fnum].kern_chars;
+
+  /* search for a kern pair of the original characters */
+  i = finfo[fnum].kern_table[ch1];
+  if( i > 0 )
+  {
+    for( j = i;  kc[j] > ch2;  j++ );
+    if( kc[j] == ch2 )
+      return finfo[fnum].kern_sizes[finfo[fnum].kern_value[j]];
+  }
+
+  /* no luck, so search for a kern pair of their unaccented versions */
+  ua_ch1 = unacc_map[ch1];
+  ua_ch2 = unacc_map[ch2];
+  if( ua_ch1 != ch1 || ua_ch2 != ch2 )
+  {
+    i = finfo[fnum].kern_table[ua_ch1];
+    if( i > 0 )
+    {
+      for( j = i;  kc[j] > ua_ch2;  j++ );
+      if( kc[j] == ua_ch2 )
+	return finfo[fnum].kern_sizes[finfo[fnum].kern_value[j]];
+    }
+  }
+
+  /* no luck again, so return 0 */
+  return 0;
+} /* end FontKernLength */
 
 
 /*@::FontWordSize()@**********************************************************/
@@ -1563,7 +1613,7 @@ void FontWordSize(OBJECT x)
 	  }
 	  Dispose(tmp);
 	}
-	else
+	else if( word_ligatures(x) )
 	{
 	  debug1(DFT, D, "  processing ligature beginning at %c", *q);
 	  a = &lig[ lig[*(p-1)] + MAX_CHARS ];
@@ -1581,6 +1631,8 @@ void FontWordSize(OBJECT x)
 	    }
 	  }
 	}
+	else
+	  debug1(DFT, D, "  ignoring ligature beginning at %c", *q);
       }
 
       /* accumulate size of *q */
@@ -1595,8 +1647,8 @@ void FontWordSize(OBJECT x)
 
     /* add kern lengths to r */
     for( p = buff, q = p+1;  *q;  p++, q++ )
-    { KernLength(word_font(x), unacc, *p, *q, ksize);
-      debugcond3(DFT, D, ksize != 0, "  KernLength(fnum, %c, %c) = %d",
+    { ksize = FontKernLength(word_font(x), unacc, *p, *q);
+      debugcond3(DFT, D, ksize != 0, "  FontKernLength(fnum, %c, %c) = %d",
 	*p, *q, ksize);
       r += ksize;
     }
diff --git a/z38.c b/z38.c
index 32e9b75..5fea90b 100644
--- a/z38.c
+++ b/z38.c
@@ -1,7 +1,7 @@
 /*@z38.c:Character Mappings:Declarations@*************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -368,6 +368,7 @@ static OBJECT DoWord(FULL_CHAR *buff, FULL_CHAR *q, OBJECT x, FONT_NUM fnum)
   word_outline(res) = word_outline(x);
   word_language(res) = word_language(x);
   word_baselinemark(res) = word_baselinemark(x);
+  word_ligatures(res) = word_ligatures(x);
   word_hyph(res) = word_hyph(x);
   underline(res) = UNDER_OFF;
   return res;
diff --git a/z39.c b/z39.c
index e2c97c3..74a4a57 100644
--- a/z39.c
+++ b/z39.c
@@ -1,7 +1,7 @@
 /*@z39.c:String Handler:AsciiToFull(), StringEqual(), etc.@*******************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z40.c b/z40.c
index 3de4341..4684871 100644
--- a/z40.c
+++ b/z40.c
@@ -1,7 +1,7 @@
 /*@z40.c:Filter Handler:FilterInit()@*****************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z41.c b/z41.c
index 06d063e..af12189 100644
--- a/z41.c
+++ b/z41.c
@@ -1,7 +1,7 @@
 /*@z41.c:Object Input-Output:AppendToFile, ReadFromFile@**********************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -497,6 +497,8 @@ static void WriteObject(OBJECT x, int outer_prec, int *linecount, FILE_NUM fnum)
     case HIGH:		name = KW_HIGH;		goto SETC;
     case HSHIFT:	name = KW_HSHIFT;	goto SETC;
     case VSHIFT:	name = KW_VSHIFT;	goto SETC;
+    case HMIRROR:	name = KW_HMIRROR;	goto SETC;
+    case VMIRROR:	name = KW_VMIRROR;	goto SETC;
     case HSCALE:	name = KW_HSCALE;	goto SETC;
     case VSCALE:	name = KW_VSCALE;	goto SETC;
     case HCOVER:	name = KW_HCOVER;	goto SETC;
diff --git a/z42.c b/z42.c
index d093396..03ab0f8 100644
--- a/z42.c
+++ b/z42.c
@@ -1,7 +1,7 @@
 /*@z42.c:Colour Service:ColourChange, ColourCommand@**************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z43.c b/z43.c
index f92bf37..6f75b0b 100644
--- a/z43.c
+++ b/z43.c
@@ -1,7 +1,7 @@
 /*@z43.c:Language Service:LanguageChange, LanguageString@*********************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z44.c b/z44.c
index 97c7398..6064b7a 100644
--- a/z44.c
+++ b/z44.c
@@ -1,7 +1,7 @@
 /*@z44.c:Vertical Hyphenation:VerticalHyphenate()@****************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z45.c b/z45.c
index 7698906..4e54d20 100644
--- a/z45.c
+++ b/z45.c
@@ -1,7 +1,7 @@
 /*@z45.c:External Sort:SortFile()@********************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z46.c b/z46.c
index 0e55ddc..c90ef80 100644
--- a/z46.c
+++ b/z46.c
@@ -1,7 +1,7 @@
 /*@z46.c:Optimal Galleys:FindOptimize()@**************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -247,6 +247,7 @@ void GazumpOptimize(OBJECT hd, OBJECT dest)
     word_outline(tmp) = FALSE;
     word_language(tmp) = word_hyph(tmp) = 0;
     word_baselinemark(tmp) = FALSE;
+    word_ligatures(tmp) = TRUE;
     Link(opt_components(hd), tmp);
 
     /* finally we add &1c */
diff --git a/z47.c b/z47.c
index c8c2672..fdc4679 100644
--- a/z47.c
+++ b/z47.c
@@ -1,7 +1,7 @@
 /*@z47.c:Environment Table:EnvReadRetrieve()@*********************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z48.c b/z48.c
index 3cd9827..a0377ed 100644
--- a/z48.c
+++ b/z48.c
@@ -1,7 +1,7 @@
 /*@z48.c:PDF back end@********************************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
diff --git a/z49.c b/z49.c
index f49f1ff..cbea89f 100644
--- a/z49.c
+++ b/z49.c
@@ -1,7 +1,7 @@
 /*@z49.c:PostScript Back End:PS_BackEnd@**************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -229,11 +229,18 @@ static LINK_DEST_TABLE ltab_new(int newsize)
 static void ltab_insert(OBJECT x, LINK_DEST_TABLE *S);
 
 static LINK_DEST_TABLE ltab_rehash(LINK_DEST_TABLE S, int newsize)
-{ LINK_DEST_TABLE NewS;  int i;
+{ LINK_DEST_TABLE NewS;  int i;  OBJECT z, link, y;
   NewS = ltab_new(newsize);
-  for( i = 1;  i <= ltab_size(S);  i++ )
-  { if( ltab_item(S, i) != nilobj )
-      ltab_insert(ltab_item(S, i), &NewS);
+  for( i = 0;  i < ltab_size(S);  i++ )
+  { z = ltab_item(S, i);
+    if( z != nilobj )
+    {
+      for( link = Down(z);  link != z;  link = NextDown(link) )
+      {
+	Child(y, link);
+	ltab_insert(y, &NewS);
+      }
+    }
   }
   free(S);
   return NewS;
@@ -241,7 +248,7 @@ static LINK_DEST_TABLE ltab_rehash(LINK_DEST_TABLE S, int newsize)
 
 static void ltab_insert(OBJECT x, LINK_DEST_TABLE *S)
 { int pos;  OBJECT z, link, y;
-  if( ltab_count(*S) == ltab_size(*S) - 1 )	/* one less since 0 unused */
+  if( ltab_count(*S) >= ltab_size(*S) - 1 )	/* one less since 0 unused */
     *S = ltab_rehash(*S, 2*ltab_size(*S));
   hash(pos, string(x), *S);
   if( ltab_item(*S, pos) == nilobj )  New(ltab_item(*S, pos), ACAT);
@@ -254,6 +261,7 @@ static void ltab_insert(OBJECT x, LINK_DEST_TABLE *S)
     }
   }
   Link(ltab_item(*S, pos), x);
+  ltab_count(*S)++;
 } /* end ltab_insert */
 
 static OBJECT ltab_retrieve(FULL_CHAR *str, LINK_DEST_TABLE S)
@@ -1134,30 +1142,6 @@ static void PS_PrintBetweenPages(FULL_LENGTH h, FULL_LENGTH v, FULL_CHAR *label)
 
 /*****************************************************************************/
 /*                                                                           */
-/*  KernLength(fnum, ch1, ch2, res)                                          */
-/*                                                                           */
-/*  Set res to the kern length between ch1 and ch2 in font fnum, or 0 if     */
-/*  none.                                                                    */
-/*                                                                           */
-/*****************************************************************************/
-
-#define KernLength(fnum, mp, ch1, ch2, res)				\
-{ int ua_ch1 = mp[ch1];							\
-  int ua_ch2 = mp[ch2];							\
-  int i, j;								\
-  i = finfo[fnum].kern_table[ua_ch1], j;				\
-  if( i == 0 )  res = 0;						\
-  else									\
-  { FULL_CHAR *kc = finfo[fnum].kern_chars;				\
-    for( j = i;  kc[j] > ua_ch2;  j++ );				\
-    res = (kc[j] == ua_ch2) ?						\
-      finfo[fnum].kern_sizes[finfo[fnum].kern_value[j]] : 0;		\
-  }									\
-} /* end KernLength */
-
-
-/*****************************************************************************/
-/*                                                                           */
 /*  static void PrintComposite(COMPOSITE *cp, BOOLEAN outline, FILE *fp)     */
 /*                                                                           */
 /*  Print composite character cp, assuming that the current point is         */
@@ -1208,7 +1192,7 @@ static void PS_PrintWord(OBJECT x, int hpos, int vpos)
     /* check for missing glyph (lig[] == 1) or ligatures (lig[] > 1) */
     if( lig[*q++ = *p++] )
     {
-      if( lig[*(q-1)] == 1 ) continue;
+      if( lig[*(q-1)] == 1 || !word_ligatures(x) ) continue;
       else
       {	a = &lig[ lig[*(p-1)] + MAX_CHARS ];
 	while( *a++ == *(p-1) )
@@ -1266,7 +1250,7 @@ static void PS_PrintWord(OBJECT x, int hpos, int vpos)
   unacc = MapTable[m]->map[MAP_UNACCENTED];
   /* acc   = MapTable[m]->map[MAP_ACCENT]; */
   for( p++;  *p;  p++ )
-  { KernLength(word_font(x), unacc, *(p-1), *p, ksize);
+  { ksize = FontKernLength(word_font(x), unacc, *(p-1), *p);
     if( ksize != 0 )
     { fprintf(out_fp, ")%s %d(", command, -ksize);
       ++wordcount;
@@ -1388,6 +1372,40 @@ static void PS_CoordScale(float hfactor, float vfactor)
 
 /*****************************************************************************/
 /*                                                                           */
+/*  void PS_CoordHMirror()                                                   */
+/*                                                                           */
+/*  Reflect coordinate system about y axis.                                  */
+/*                                                                           */
+/*****************************************************************************/
+
+static void PS_CoordHMirror()
+{
+  debug0(DPO, D, "CoordHMirror()");
+  cpexists = FALSE;
+  p0("[-1 0 0 1 0 0] concat");
+  debug0(DPO, D, "CoordHMirror returning.");
+}
+
+
+/*****************************************************************************/
+/*                                                                           */
+/*  void PS_CoordVMirror()                                                   */
+/*                                                                           */
+/*  Reflect coordinate system about x axis.                                  */
+/*                                                                           */
+/*****************************************************************************/
+
+static void PS_CoordVMirror()
+{
+  debug0(DPO, D, "CoordVMirror()");
+  cpexists = FALSE;
+  p0("[1 0 0 -1 0 0] concat");
+  debug0(DPO, D, "CoordVMirror returning.");
+}
+
+
+/*****************************************************************************/
+/*                                                                           */
 /*  PS_SaveGraphicState(x)                                                   */
 /*                                                                           */
 /*  Save current coord system on stack for later restoration.                */
@@ -1896,6 +1914,7 @@ static struct back_end_rec ps_back = {
   STR_POSTSCRIPT,			/* string name of the back end       */
   TRUE,					/* TRUE if @Scale is available       */
   TRUE,					/* TRUE if @Rotate is available      */
+  TRUE,					/* TRUE if @HMirror, @VMirror avail  */
   TRUE,					/* TRUE if @Graphic is available     */
   TRUE,					/* TRUE if @IncludeGraphic is avail. */
   FALSE,				/* TRUE if @PlainGraphic is avail.   */
@@ -1916,6 +1935,8 @@ static struct back_end_rec ps_back = {
   PS_CoordTranslate,
   PS_CoordRotate,
   PS_CoordScale,
+  PS_CoordHMirror,
+  PS_CoordVMirror,
   PS_SaveGraphicState,
   PS_RestoreGraphicState,
   PS_PrintGraphicObject,
diff --git a/z50.c b/z50.c
index d04ff2c..3faa510 100644
--- a/z50.c
+++ b/z50.c
@@ -1,7 +1,7 @@
 /*@z50.c:PDF Back End:PDF_BackEnd@********************************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -250,30 +250,6 @@ static void PDF_PrintBetweenPages(FULL_LENGTH h, FULL_LENGTH v,
 
 /*****************************************************************************/
 /*                                                                           */
-/*  KernLength(fnum, ch1, ch2, res)                                          */
-/*                                                                           */
-/*  Set res to the kern length between ch1 and ch2 in font fnum, or 0 if     */
-/*  none.                                                                    */
-/*                                                                           */
-/*****************************************************************************/
-
-#define KernLength(fnum, mp, ch1, ch2, res)				\
-{ int ua_ch1 = mp[ch1];							\
-  int ua_ch2 = mp[ch2];							\
-  int i, j;								\
-  i = finfo[fnum].kern_table[ua_ch1], j;				\
-  if( i == 0 )  res = 0;						\
-  else									\
-  { FULL_CHAR *kc = finfo[fnum].kern_chars;				\
-    for( j = i;  kc[j] > ua_ch2;  j++ );				\
-    res = (kc[j] == ua_ch2) ?						\
-      finfo[fnum].kern_sizes[finfo[fnum].kern_value[j]] : 0;		\
-  }									\
-} /* end KernLength */
-
-
-/*****************************************************************************/
-/*                                                                           */
 /*  static void PrintComposite(COMPOSITE *cp, BOOLEAN outline, FILE *fp)     */
 /*                                                                           */
 /*  This routine is unused in this module because it is the PostScript       */
@@ -384,7 +360,7 @@ static void PDF_PrintWord(OBJECT x, int hpos, int vpos)
     /* check for missing glyph (lig[] == 1) or ligatures (lig[] > 1) */
     if( lig[*q++ = *p++] )
     {
-      if( lig[*(q-1)] == 1 ) continue;
+      if( lig[*(q-1)] == 1 || !word_ligatures(x) ) continue;
       else
       {	a = &lig[ lig[*(p-1)] + MAX_CHARS ];
 	while( *a++ == *(p-1) )
@@ -453,10 +429,10 @@ static void PDF_PrintWord(OBJECT x, int hpos, int vpos)
   {
     /* *** this seems right but is actually wrong for PDF,
     which according to Uwe uses original units for kerning
-    KernLength(word_font(x), unacc, *(p-1), *p, ksize);
+    ksize = FontKernLength(word_font(x), unacc, *(p-1), *p);
     *** */
-    KernLength(font_num(finfo[word_font(x)].original_face),
-      unacc, *(p-1), *p, ksize);
+    ksize = FontKernLength(font_num(finfo[word_font(x)].original_face),
+      unacc, *(p-1), *p);
     if ( ksize != 0 )
     {
       PDFText_Kern(out_fp, ksize);
@@ -901,6 +877,7 @@ static struct back_end_rec pdf_back = {
   STR_PDF,				/* string name of the back end       */
   TRUE,					/* TRUE if @Scale is available       */
   TRUE,					/* TRUE if @Rotate is available      */
+  FALSE,				/* TRUE if @VMirror, @HMirror avail. */
   TRUE,					/* TRUE if @Graphic is available     */
   TRUE,					/* TRUE if @IncludeGraphic is avail. */
   FALSE,				/* TRUE if @PlainGraphic is avail.   */
@@ -921,6 +898,8 @@ static struct back_end_rec pdf_back = {
   PDF_CoordTranslate,
   PDF_CoordRotate,
   PDF_CoordScale,
+  NULL,
+  NULL,
   PDF_SaveGraphicState,
   PDF_RestoreGraphicState,
   PDF_PrintGraphicObject,
diff --git a/z51.c b/z51.c
index c7fb7cf..ea87f63 100644
--- a/z51.c
+++ b/z51.c
@@ -1,7 +1,7 @@
 /*@z51.c:Plain Text Back End:Plain_BackEnd@***********************************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */
@@ -630,6 +630,7 @@ static struct back_end_rec plain_back = {
   STR_PLAINTEXT,			/* string name of the back end       */
   FALSE,				/* TRUE if @Scale is available       */
   FALSE,				/* TRUE if @Rotate is available      */
+  FALSE,				/* TRUE if @VMirror, @HMirror avail  */
   FALSE,				/* TRUE if @Graphic is available     */
   FALSE,				/* TRUE if @IncludeGraphic is avail. */
   TRUE,					/* TRUE if @PlainGraphic is avail.   */
@@ -650,6 +651,8 @@ static struct back_end_rec plain_back = {
   Plain_CoordTranslate,
   Plain_CoordRotate,
   Plain_CoordScale,
+  NULL,
+  NULL,
   Plain_SaveGraphicState,
   Plain_RestoreGraphicState,
   Plain_PrintGraphicObject,
diff --git a/z52.c b/z52.c
index 4068aad..5959141 100644
--- a/z52.c
+++ b/z52.c
@@ -1,7 +1,7 @@
 /*@z52.c:Texture Service:TextureChange, TextureCommand@***********************/
 /*                                                                           */
-/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.29)                       */
-/*  COPYRIGHT (C) 1991, 2003 Jeffrey H. Kingston                             */
+/*  THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.30)                       */
+/*  COPYRIGHT (C) 1991, 2004 Jeffrey H. Kingston                             */
 /*                                                                           */
 /*  Jeffrey H. Kingston (jeff@it.usyd.edu.au)                                */
 /*  School of Information Technologies                                       */