NetBSD '.[[:whitespace:]]*' properly handled.

mdoc.3 indicates compatibilities and bugs.

4 files changed, 56 insertions, 47 deletions

diff --git a/Makefile b/Makefile
index b9ef2732..ef4dd5c5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 .SUFFIXES:	.html .sgml
 
-VERSION	= 1.4.10
-VDATE	= 12 March 2009
+VERSION	= 1.4.11
+VDATE	= 13 March 2009
 
 BINDIR		= $(PREFIX)/bin
 INCLUDEDIR	= $(PREFIX)/include
diff --git a/mdoc.3 b/mdoc.3
index ae24eb70..12a4ce6b 100644
--- a/mdoc.3
+++ b/mdoc.3
@@ -360,6 +360,39 @@ parsed(mdoc, node);
 mdoc_free(mdoc);
 .Ed
 .\" SECTION
+.Sh COMPATIBILITY
+In general, only those macros specified by
+.Xr mdoc.samples 7
+and
+.Xr mdoc 7
+for
+.Ox
+and
+.Nx
+are supported; support for other 
+.Bx
+systems is in progress.
+.Bl -bullet
+.\" LIST-ITEM
+.It
+NetBSD
+.Sq \&It \-nested
+is assumed for all lists: any list may be nested and
+.Sq \-enum
+lists will restart the sequence only for the sub-list.
+.\" LIST-ITEM
+.It
+Newer NetBSD-style
+.Sq \&It \-column
+syntax, where column widths may be preceeded by other arguments (instead
+of proceeded), is not supported.
+.\" LIST-ITEM
+.It
+The 
+.Sq \&At
+macro only accepts a single parameter.
+.El
+.\" SECTION
 .Sh SEE ALSO
 .Xr mdoc 7 ,
 .Xr mdoc.samples 7 ,
@@ -372,17 +405,11 @@ The
 utility was written by 
 .An Kristaps Dzonsons Aq kristaps@kth.se .
 .\" SECTION
-.Sh BUGS
-Bugs, un-implemented macros and incompabilities are documented in this
-section.  The baseline for determining whether macro parsing is 
-.Qq incompatible
-is the default
-.Xr groff 1
-system bundled with 
-.Ox .
-.\" PARAGRAPH
-.Pp
-Un-implemented: the 
+.Sh CAVEATS
+.Bl -bullet
+.\" LIST-ITEM
+.It
+The 
 .Sq \&Xc
 and
 .Sq \&Xo
@@ -390,36 +417,4 @@ macros aren't handled when used to span lines for the
 .Sq \&It
 macro.  Such usage is specifically discouraged in
 .Xr mdoc.samples 7 .
-.\" PARAGRAPH
-.Pp
-Bugs: when 
-.Sq \&It \-column
-is invoked, whitespace is not stripped around
-.Sq \&Ta
-or tab-character separators.
-.\" PARAGRAPH
-.Pp
-Bugs: elements within columns for
-.Sq \&It \-column
-are not yet supported.
-.\" PARAGRAPH
-.Pp
-Incompatible: the 
-.Sq \&At
-macro only accepts a single parameter.  Furthermore, several macros 
-.Pf ( Sq \&Pp ,
-.Sq \&It ,
-and possibly others) accept multiple arguments with a warning.
-.\" PARAGRAPH
-.Pp
-Incompatible: only those macros specified by
-.Xr mdoc.samples 7
-and
-.Xr mdoc 7
-for
-.Ox
-are supported; support for
-.Nx
-and other 
-.Bx
-systems is in progress.
+.El
diff --git a/mdoc.c b/mdoc.c
index caee2dd6..72e63a1c 100644
--- a/mdoc.c
+++ b/mdoc.c
@@ -520,7 +520,19 @@ parsemacro(struct mdoc *m, int ln, char *buf)
 	int		  i, c;
 	char		  mac[5];
 
-	/* Comments are quickly ignored. */
+	/* Comments and empties are quickly ignored. */
+
+	if (0 == buf[1])
+		return(1);
+
+	if (isspace((unsigned char)buf[1])) {
+		i = 2;
+		while (buf[i] && isspace((unsigned char)buf[i]))
+			i++;
+		if (0 == buf[i])
+			return(1);
+		return(mdoc_perr(m, ln, 1, "invalid syntax"));
+	}
 
 	if (buf[1] && '\\' == buf[1])
 		if (buf[2] && '\"' == buf[2])
diff --git a/term.c b/term.c
index dc27281b..e40dbb8a 100644
--- a/term.c
+++ b/term.c
@@ -508,6 +508,8 @@ termp_it_pre(DECL_ARGS)
 				(&bl->args->argv[vals[2]], i);
 		assert(i < (int)bl->args->argv[vals[2]].sz);
 		width = arg_width(&bl->args->argv[vals[2]], i);
+		if (vals[1] >= 0) 
+			offset += arg_offset(&bl->args->argv[vals[1]]);
 		break;
 	default:
 		if (vals[0] >= 0)