Finally port the OpenBSD regression suite.

Both kristaps@ and wiz@ repeated asked for this,
literally for years.

32 files changed, 558 insertions, 0 deletions

diff --git a/regress/mdoc/Bd/Makefile b/regress/mdoc/Bd/Makefile
new file mode 100644
index 00000000..817d9fe7
--- /dev/null
+++ b/regress/mdoc/Bd/Makefile
@@ -0,0 +1,25 @@
+# $OpenBSD: Makefile,v 1.18 2014/12/24 23:31:59 schwarze Exp $
+
+REGRESS_TARGETS	 = beforeNAME blank centered nested spacing
+REGRESS_TARGETS	+= badargs empty offset-empty offset-neg
+REGRESS_TARGETS	+= break broken unclosed
+
+LINT_TARGETS	 = beforeNAME blank nested badargs break broken unclosed
+
+SKIP_TMAN	 = beforeNAME centered
+
+# groff-1.22.3 defects:
+# - a display breaking another block continues indefinitely
+# - negative offsets take no effect, but advance the indention on exit
+
+SKIP_GROFF	 = break offset-neg
+
+# adjustment is disabled in groff for now
+
+SKIP_GROFF	+= centered
+
+# groff handles content before NAME differently
+
+SKIP_GROFF	+= beforeNAME
+
+.include <bsd.regress.mk>
diff --git a/regress/mdoc/Bd/badargs.in b/regress/mdoc/Bd/badargs.in
new file mode 100644
index 00000000..0d8b3f4d
--- /dev/null
+++ b/regress/mdoc/Bd/badargs.in
@@ -0,0 +1,51 @@
+.Dd October 27, 2015
+.Dt BD-BADARGS 1
+.Os OpenBSD
+.Sh NAME
+.Nm Bd-badargs
+.Nd display block with bad arguments
+.Sh DESCRIPTION
+trailing -offset:
+.Bd -ragged -offset
+is
+ignored
+.Ed tail argument
+double -compact and -offset:
+.Bd -ragged -compact -offset 42n -compact -offset 6n
+last
+wins
+.Ed
+no type:
+.Bd -offset 0n -bogus args
+displayed
+text
+.Ed
+double type:
+.Bd -ragged -compact -unfilled
+ragged
+unfilled
+.Ed
+.Bd -unfilled -compact -ragged
+unfilled
+ragged
+.Ed
+file /dev/null:
+.Bd -ragged -file /dev/null -offset indent
+ragged
+offset indent
+.Ed
+trailing -file:
+.Bd -ragged -offset indent -file
+ragged
+offset indent
+.Ed
+missing -file argument:
+.Bd -ragged -offset indent -file -compact
+ragged
+offset indent
+.Ed
+no argument whatsoever:
+.Bd
+no
+argument
+.Ed
diff --git a/regress/mdoc/Bd/badargs.out_ascii b/regress/mdoc/Bd/badargs.out_ascii
new file mode 100644
index 00000000..1a123a6c
--- /dev/null
+++ b/regress/mdoc/Bd/badargs.out_ascii
@@ -0,0 +1,30 @@
+BD-BADARGS(1)               General Commands Manual              BD-BADARGS(1)
+
+NNAAMMEE
+     BBdd--bbaaddaarrggss - display block with bad arguments
+
+DDEESSCCRRIIPPTTIIOONN
+     trailing -offset:
+
+     is ignored
+     double -compact and -offset:
+           last wins
+     no type:
+
+     displayed text
+     double type:
+     ragged unfilled
+     unfilled
+     ragged
+     file /dev/null:
+
+           ragged offset indent
+     trailing -file:
+
+           ragged offset indent
+     missing -file argument:
+
+           ragged offset indent
+     no argument whatsoever: no argument
+
+OpenBSD                        October 27, 2015                        OpenBSD
diff --git a/regress/mdoc/Bd/badargs.out_lint b/regress/mdoc/Bd/badargs.out_lint
new file mode 100644
index 00000000..10c9cb02
--- /dev/null
+++ b/regress/mdoc/Bd/badargs.out_lint
@@ -0,0 +1,12 @@
+mandoc: badargs.in:12:2: ERROR: skipping all arguments: Ed tail argument
+mandoc: badargs.in:19:16: ERROR: skipping excess arguments: Bd ... -bogus
+mandoc: badargs.in:9:13: WARNING: empty argument, using 0n: Bd -offset
+mandoc: badargs.in:14:34: WARNING: duplicate argument: Bd -compact
+mandoc: badargs.in:14:43: WARNING: duplicate argument: Bd -offset 6n
+mandoc: badargs.in:19:2: WARNING: missing display type, using -ragged: Bd
+mandoc: badargs.in:24:2: WARNING: skipping duplicate display type: Bd -unfilled
+mandoc: badargs.in:28:2: WARNING: skipping duplicate display type: Bd -ragged
+mandoc: badargs.in:33:2: ERROR: NOT IMPLEMENTED: Bd -file
+mandoc: badargs.in:38:2: ERROR: NOT IMPLEMENTED: Bd -file
+mandoc: badargs.in:43:2: ERROR: NOT IMPLEMENTED: Bd -file
+mandoc: badargs.in:48:2: ERROR: skipping display without arguments: Bd
diff --git a/regress/mdoc/Bd/beforeNAME.in b/regress/mdoc/Bd/beforeNAME.in
new file mode 100644
index 00000000..f264471f
--- /dev/null
+++ b/regress/mdoc/Bd/beforeNAME.in
@@ -0,0 +1,15 @@
+.Dd July 28, 2014
+.Dt BD-BEFORENAME 1
+.Os OpenBSD
+.Bd -centered
+Building and Debugging NetBSD Kernels
+.br
+David A. Holland
+.br
+August 17, 2009
+.Ed
+.Sh NAME
+.Nm Bd-beforename
+.Nd title and author block before the NAME section
+.Sh DESCRIPTION
+some text
diff --git a/regress/mdoc/Bd/beforeNAME.out_ascii b/regress/mdoc/Bd/beforeNAME.out_ascii
new file mode 100644
index 00000000..3978941d
--- /dev/null
+++ b/regress/mdoc/Bd/beforeNAME.out_ascii
@@ -0,0 +1,13 @@
+BD-BEFORENAME(1)            General Commands Manual           BD-BEFORENAME(1)
+
+                    Building and Debugging NetBSD Kernels
+                               David A. Holland
+                               August 17, 2009
+
+NNAAMMEE
+     BBdd--bbeeffoorreennaammee - title and author block before the NAME section
+
+DDEESSCCRRIIPPTTIIOONN
+     some text
+
+OpenBSD                          July 28, 2014                         OpenBSD
diff --git a/regress/mdoc/Bd/beforeNAME.out_lint b/regress/mdoc/Bd/beforeNAME.out_lint
new file mode 100644
index 00000000..a5659948
--- /dev/null
+++ b/regress/mdoc/Bd/beforeNAME.out_lint
@@ -0,0 +1 @@
+mandoc: beforeNAME.in:4:2: WARNING: content before first section header: Bd
diff --git a/regress/mdoc/Bd/blank.in b/regress/mdoc/Bd/blank.in
new file mode 100644
index 00000000..ca95e6da
--- /dev/null
+++ b/regress/mdoc/Bd/blank.in
@@ -0,0 +1,31 @@
+.Dd January 2, 2011
+.Dt BD-BLANK 1
+.Os OpenBSD
+.Sh NAME
+.Nm Bd-blank
+.Nd handling of blank lines in literal displays
+.Sh DESCRIPTION
+.Bd -literal
+completely blank line:
+
+line containing a blank character:
+ 
+line containing two blank characters:
+  
+line containing space tab space:
+ 	 
+line starting with a blank character:
+ x
+line starting with two blank characters:
+  x
+line ending in one blank character: 
+line ending in two blank characters:  
+line ending in space tab space: 	 
+line containing a Pp macro:
+.Pp
+finally, a trailing blank line:
+
+.Ed
+An empty one-line literal display:
+.Dl     
+end of test document
diff --git a/regress/mdoc/Bd/blank.out_ascii b/regress/mdoc/Bd/blank.out_ascii
new file mode 100644
index 00000000..de03e318
--- /dev/null
+++ b/regress/mdoc/Bd/blank.out_ascii
@@ -0,0 +1,29 @@
+BD-BLANK(1)                 General Commands Manual                BD-BLANK(1)
+
+NNAAMMEE
+     BBdd--bbllaannkk - handling of blank lines in literal displays
+
+DDEESSCCRRIIPPTTIIOONN
+     completely blank line:
+
+     line containing a blank character:
+
+     line containing two blank characters:
+
+     line containing space tab space:
+
+     line starting with a blank character:
+      x
+     line starting with two blank characters:
+       x
+     line ending in one blank character:
+     line ending in two blank characters:
+     line ending in space tab space:
+     line containing a Pp macro:
+
+     finally, a trailing blank line:
+
+     An empty one-line literal display:
+     end of test document
+
+OpenBSD                         January 2, 2011                        OpenBSD
diff --git a/regress/mdoc/Bd/blank.out_lint b/regress/mdoc/Bd/blank.out_lint
new file mode 100644
index 00000000..fde72ad0
--- /dev/null
+++ b/regress/mdoc/Bd/blank.out_lint
@@ -0,0 +1,8 @@
+mandoc: blank.in:12:1: WARNING: whitespace at end of input line
+mandoc: blank.in:14:1: WARNING: whitespace at end of input line
+mandoc: blank.in:16:1: WARNING: whitespace at end of input line
+mandoc: blank.in:21:36: WARNING: whitespace at end of input line
+mandoc: blank.in:22:37: WARNING: whitespace at end of input line
+mandoc: blank.in:23:32: WARNING: whitespace at end of input line
+mandoc: blank.in:30:8: WARNING: whitespace at end of input line
+mandoc: blank.in:30:2: WARNING: empty block: Dl
diff --git a/regress/mdoc/Bd/break.in b/regress/mdoc/Bd/break.in
new file mode 100644
index 00000000..7eaf663a
--- /dev/null
+++ b/regress/mdoc/Bd/break.in
@@ -0,0 +1,15 @@
+.Dd November 10, 2012
+.Dt BD-BREAK 1
+.Os OpenBSD
+.Sh NAME
+.Nm Bd-break
+.Nd display breaking another block
+.Sh DESCRIPTION
+before both
+.Bd -ragged -offset indent
+before bracket
+.Bo inside both
+.Ed
+after display
+.Bc
+after both
diff --git a/regress/mdoc/Bd/break.out_ascii b/regress/mdoc/Bd/break.out_ascii
new file mode 100644
index 00000000..42f9eb25
--- /dev/null
+++ b/regress/mdoc/Bd/break.out_ascii
@@ -0,0 +1,12 @@
+BD-BREAK(1)                 General Commands Manual                BD-BREAK(1)
+
+NNAAMMEE
+     BBdd--bbrreeaakk - display breaking another block
+
+DDEESSCCRRIIPPTTIIOONN
+     before both
+
+           before bracket [inside both
+     after display] after both
+
+OpenBSD                        November 10, 2012                       OpenBSD
diff --git a/regress/mdoc/Bd/break.out_lint b/regress/mdoc/Bd/break.out_lint
new file mode 100644
index 00000000..aede3c30
--- /dev/null
+++ b/regress/mdoc/Bd/break.out_lint
@@ -0,0 +1 @@
+mandoc: break.in:12:2: WARNING: blocks badly nested: Bd breaks Bo
diff --git a/regress/mdoc/Bd/broken.in b/regress/mdoc/Bd/broken.in
new file mode 100644
index 00000000..b7271a67
--- /dev/null
+++ b/regress/mdoc/Bd/broken.in
@@ -0,0 +1,14 @@
+.Dd November 10, 2012
+.Dt BD-BROKEN 1
+.Os OpenBSD
+.Sh NAME
+.Nm Bd-broken
+.Nd display broken by another block
+.Sh DESCRIPTION
+before both
+.Bo before display
+.Bd -ragged -offset indent
+inside both
+.Bc
+after bracket
+.Ed
diff --git a/regress/mdoc/Bd/broken.out_ascii b/regress/mdoc/Bd/broken.out_ascii
new file mode 100644
index 00000000..5b24c21b
--- /dev/null
+++ b/regress/mdoc/Bd/broken.out_ascii
@@ -0,0 +1,11 @@
+BD-BROKEN(1)                General Commands Manual               BD-BROKEN(1)
+
+NNAAMMEE
+     BBdd--bbrrookkeenn - display broken by another block
+
+DDEESSCCRRIIPPTTIIOONN
+     before both [before display
+
+           inside both] after bracket
+
+OpenBSD                        November 10, 2012                       OpenBSD
diff --git a/regress/mdoc/Bd/broken.out_lint b/regress/mdoc/Bd/broken.out_lint
new file mode 100644
index 00000000..44688afa
--- /dev/null
+++ b/regress/mdoc/Bd/broken.out_lint
@@ -0,0 +1 @@
+mandoc: broken.in:12:2: WARNING: blocks badly nested: Bo breaks Bd
diff --git a/regress/mdoc/Bd/centered.in b/regress/mdoc/Bd/centered.in
new file mode 100644
index 00000000..d989ddb8
--- /dev/null
+++ b/regress/mdoc/Bd/centered.in
@@ -0,0 +1,15 @@
+.Dd July 28, 2014
+.Dt BD-CENTERED 1
+.Os OpenBSD
+.Sh NAME
+.Nm Bd-centered
+.Nd centered display blocks
+.Sh DESCRIPTION
+preceding text
+.br
+.Bd -centered -offset indent
+first line of the block
+.br
+second line
+.Ed
+following text
diff --git a/regress/mdoc/Bd/centered.out_ascii b/regress/mdoc/Bd/centered.out_ascii
new file mode 100644
index 00000000..1f0bb194
--- /dev/null
+++ b/regress/mdoc/Bd/centered.out_ascii
@@ -0,0 +1,13 @@
+BD-CENTERED(1)              General Commands Manual             BD-CENTERED(1)
+
+NNAAMMEE
+     BBdd--cceenntteerreedd - centered display blocks
+
+DDEESSCCRRIIPPTTIIOONN
+     preceding text
+
+                                 first line of the block
+                                       second line
+     following text
+
+OpenBSD                          July 28, 2014                         OpenBSD
diff --git a/regress/mdoc/Bd/empty.in b/regress/mdoc/Bd/empty.in
new file mode 100644
index 00000000..56506e69
--- /dev/null
+++ b/regress/mdoc/Bd/empty.in
@@ -0,0 +1,20 @@
+.Dd January 2, 2010
+.Dt BD-EMPTY 1
+.Os OpenBSD
+.Sh NAME
+.Nm Bd-empty
+.Nd empty displays
+.Sh DESCRIPTION
+An empty filled display:
+.Bd -filled
+.Ed
+An empty literal display:
+.Bd -literal
+.Ed
+An empty ragged display:
+.Bd -ragged
+.Ed
+An empty unfilled display:
+.Bd -unfilled
+.Ed
+end of test document
diff --git a/regress/mdoc/Bd/empty.out_ascii b/regress/mdoc/Bd/empty.out_ascii
new file mode 100644
index 00000000..fefe8351
--- /dev/null
+++ b/regress/mdoc/Bd/empty.out_ascii
@@ -0,0 +1,17 @@
+BD-EMPTY(1)                 General Commands Manual                BD-EMPTY(1)
+
+NNAAMMEE
+     BBdd--eemmppttyy - empty displays
+
+DDEESSCCRRIIPPTTIIOONN
+     An empty filled display:
+
+     An empty literal display:
+
+     An empty ragged display:
+
+     An empty unfilled display:
+
+     end of test document
+
+OpenBSD                         January 2, 2010                        OpenBSD
diff --git a/regress/mdoc/Bd/nested.in b/regress/mdoc/Bd/nested.in
new file mode 100644
index 00000000..a5455a61
--- /dev/null
+++ b/regress/mdoc/Bd/nested.in
@@ -0,0 +1,42 @@
+.Dd November 18, 2012
+.Dt BD-NESTED 1
+.Os OpenBSD
+.Sh NAME
+.Nm Bd-nested
+.Nd nested displays and lists
+.Sh DESCRIPTION
+regular
+text
+.Bd -ragged -offset indent
+outer
+text (default indent)
+.Bd -ragged -offset indent
+inner
+text (default indent)
+.Ed
+outer
+text
+.Ed
+regular
+text
+.Bd -ragged -offset 4n
+outer text (4n)
+.Bd -ragged -offset 2n
+inner text (2n)
+.Ed
+outer text
+.Bl -tag -width 6n
+.It tag
+text
+.El
+outer text
+.Ed
+regular text
+.Bl -tag -width 6n
+.It tag
+outer text
+.Bd -ragged -offset 2n
+inner text (2n)
+.Ed
+outer text
+.El
diff --git a/regress/mdoc/Bd/nested.out_ascii b/regress/mdoc/Bd/nested.out_ascii
new file mode 100644
index 00000000..439611d8
--- /dev/null
+++ b/regress/mdoc/Bd/nested.out_ascii
@@ -0,0 +1,29 @@
+BD-NESTED(1)                General Commands Manual               BD-NESTED(1)
+
+NNAAMMEE
+     BBdd--nneesstteedd - nested displays and lists
+
+DDEESSCCRRIIPPTTIIOONN
+     regular text
+
+           outer text (default indent)
+
+                 inner text (default indent)
+           outer text
+     regular text
+
+         outer text (4n)
+
+           inner text (2n)
+         outer text
+
+         tag     text
+         outer text
+     regular text
+
+     tag     outer text
+
+               inner text (2n)
+             outer text
+
+OpenBSD                        November 18, 2012                       OpenBSD
diff --git a/regress/mdoc/Bd/nested.out_lint b/regress/mdoc/Bd/nested.out_lint
new file mode 100644
index 00000000..5476f7d7
--- /dev/null
+++ b/regress/mdoc/Bd/nested.out_lint
@@ -0,0 +1,2 @@
+mandoc: nested.in:13:2: WARNING: nested displays are not portable: Bd in Bd
+mandoc: nested.in:24:2: WARNING: nested displays are not portable: Bd in Bd
diff --git a/regress/mdoc/Bd/offset-empty.in b/regress/mdoc/Bd/offset-empty.in
new file mode 100644
index 00000000..32f2a593
--- /dev/null
+++ b/regress/mdoc/Bd/offset-empty.in
@@ -0,0 +1,31 @@
+.Dd November 20, 2014
+.Dt BD-OFFSET-EMPTY 1
+.Os OpenBSD
+.Sh NAME
+.Nm Bd-offset-empty
+.Nd no argument specified to Bd offset
+.Sh DESCRIPTION
+.Bd -literal -offset
+Bd literal offset empty
+.Ed
+.Bd -literal -offset left
+Bd literal offset left
+.Ed
+.Bd -literal -offset indent
+Bd literal offset indent
+.Ed
+.Bd -literal -offset indent-two
+Bd literal offset indent-two
+.Ed
+.Bd -literal -offset 4n
+Bd literal offset 4n
+.Ed
+.Bd -literal -offset mystring
+Bd literal offset mystring
+.Ed
+.Bd -literal -offset Ds
+Bd literal offset Ds
+.Ed
+.Bd -literal -offset 78n
+Bd literal offset 78n
+.Ed
diff --git a/regress/mdoc/Bd/offset-empty.out_ascii b/regress/mdoc/Bd/offset-empty.out_ascii
new file mode 100644
index 00000000..e4e2659c
--- /dev/null
+++ b/regress/mdoc/Bd/offset-empty.out_ascii
@@ -0,0 +1,23 @@
+BD-OFFSET-EMPTY(1)          General Commands Manual         BD-OFFSET-EMPTY(1)
+
+NNAAMMEE
+     BBdd--ooffffsseett--eemmppttyy - no argument specified to Bd offset
+
+DDEESSCCRRIIPPTTIIOONN
+     Bd literal offset empty
+
+     Bd literal offset left
+
+           Bd literal offset indent
+
+                 Bd literal offset indent-two
+
+         Bd literal offset 4n
+
+             Bd literal offset mystring
+
+           Bd literal offset Ds
+
+                                                                                   Bd literal offset 78n
+
+OpenBSD                        November 20, 2014                       OpenBSD
diff --git a/regress/mdoc/Bd/offset-neg.in b/regress/mdoc/Bd/offset-neg.in
new file mode 100644
index 00000000..30f0fe73
--- /dev/null
+++ b/regress/mdoc/Bd/offset-neg.in
@@ -0,0 +1,24 @@
+.Dd December 24, 2014
+.Dt BD-INDENT 1
+.Os OpenBSD
+.Sh NAME
+.Nm Bd-indent
+.Nd indenting display blocks
+.Sh DESCRIPTION
+regular text
+.Bd -ragged -offset 8n
+outer display
+.Bd -ragged -offset -5n
+inner display
+.Ed
+outer display
+.Ed
+regular text
+.Bd -ragged -offset -3n
+outer display
+.Bd -ragged -offset 8n
+inner display
+.Ed
+outer display
+.Ed
+regular text
diff --git a/regress/mdoc/Bd/offset-neg.out_ascii b/regress/mdoc/Bd/offset-neg.out_ascii
new file mode 100644
index 00000000..0ecf61cf
--- /dev/null
+++ b/regress/mdoc/Bd/offset-neg.out_ascii
@@ -0,0 +1,21 @@
+BD-INDENT(1)                General Commands Manual               BD-INDENT(1)
+
+NNAAMMEE
+     BBdd--iinnddeenntt - indenting display blocks
+
+DDEESSCCRRIIPPTTIIOONN
+     regular text
+
+             outer display
+
+        inner display
+             outer display
+     regular text
+
+  outer display
+
+          inner display
+  outer display
+     regular text
+
+OpenBSD                        December 24, 2014                       OpenBSD
diff --git a/regress/mdoc/Bd/spacing.in b/regress/mdoc/Bd/spacing.in
new file mode 100644
index 00000000..95d89935
--- /dev/null
+++ b/regress/mdoc/Bd/spacing.in
@@ -0,0 +1,16 @@
+.Dd July 6, 2012
+.Dt BD-SPACING 1
+.Os OpenBSD
+.Sh NAME
+.Nm Bd-spacing
+.Nd vertical spacing around display blocks
+.Sh DESCRIPTION
+preceding text
+.Bd -ragged -offset indent
+display block
+.Ed
+text between displays
+.Bd -ragged -offset indent -compact
+compact display block
+.Ed
+following text
diff --git a/regress/mdoc/Bd/spacing.out_ascii b/regress/mdoc/Bd/spacing.out_ascii
new file mode 100644
index 00000000..de8bee5c
--- /dev/null
+++ b/regress/mdoc/Bd/spacing.out_ascii
@@ -0,0 +1,14 @@
+BD-SPACING(1)               General Commands Manual              BD-SPACING(1)
+
+NNAAMMEE
+     BBdd--ssppaacciinngg - vertical spacing around display blocks
+
+DDEESSCCRRIIPPTTIIOONN
+     preceding text
+
+           display block
+     text between displays
+           compact display block
+     following text
+
+OpenBSD                          July 6, 2012                          OpenBSD
diff --git a/regress/mdoc/Bd/unclosed.in b/regress/mdoc/Bd/unclosed.in
new file mode 100644
index 00000000..17c2c51d
--- /dev/null
+++ b/regress/mdoc/Bd/unclosed.in
@@ -0,0 +1,10 @@
+.Dd July 7, 2014
+.Dt BD-UNCLOSED 1
+.Os OpenBSD
+.Sh NAME
+.Nm Bd-unclosed
+.Nd display still open at the end of the file
+.Sh DESCRIPTION
+before display
+.Bd -ragged -offset indent
+inside display
diff --git a/regress/mdoc/Bd/unclosed.out_ascii b/regress/mdoc/Bd/unclosed.out_ascii
new file mode 100644
index 00000000..edea5b09
--- /dev/null
+++ b/regress/mdoc/Bd/unclosed.out_ascii
@@ -0,0 +1,11 @@
+BD-UNCLOSED(1)              General Commands Manual             BD-UNCLOSED(1)
+
+NNAAMMEE
+     BBdd--uunncclloosseedd - display still open at the end of the file
+
+DDEESSCCRRIIPPTTIIOONN
+     before display
+
+           inside display
+
+OpenBSD                          July 7, 2014                          OpenBSD
diff --git a/regress/mdoc/Bd/unclosed.out_lint b/regress/mdoc/Bd/unclosed.out_lint
new file mode 100644
index 00000000..8741513e
--- /dev/null
+++ b/regress/mdoc/Bd/unclosed.out_lint
@@ -0,0 +1 @@
+mandoc: unclosed.in:9:2: ERROR: appending missing end of block: Bd