===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/main.c,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -r1.4 -r1.5
--- src/usr.bin/mandoc/main.c	2009/06/18 22:16:56	1.4
+++ src/usr.bin/mandoc/main.c	2009/06/18 23:34:53	1.5
@@ -1,4 +1,4 @@
-/*	$Id: main.c,v 1.4 2009/06/18 22:16:56 schwarze Exp $ */
+/*	$Id: main.c,v 1.5 2009/06/18 23:34:53 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -312,7 +312,7 @@
 	size_t		 sz;
 	ssize_t		 ssz;
 	struct stat	 st;
-	int		 j, i, pos, lnn;
+	int		 j, i, pos, lnn, comment;
 	struct man	*man;
 	struct mdoc	*mdoc;
 
@@ -342,7 +342,7 @@
 
 	/* Fill buf with file blocksize. */
 
-	for (lnn = 0, pos = 0; ; ) {
+	for (lnn = pos = comment = 0; ; ) {
 		if (-1 == (ssz = read(curp->fd, blk->buf, sz))) {
 			warn("%s", curp->file);
 			return(0);
@@ -362,17 +362,34 @@
 			}
 
 			if ('\n' != blk->buf[i]) {
+				if (comment)
+					continue;
 				ln->buf[pos++] = blk->buf[i];
+
+				/* Handle in-line `\"' comments. */
+
+				if (1 == pos || '\"' != ln->buf[pos - 1])
+					continue;
+
+				for (j = pos - 2; j >= 0; j--)
+					if ('\\' != ln->buf[j])
+						break;
+
+				if ( ! ((pos - 2 - j) % 2))
+					continue;
+
+				comment = 1;
+				pos -= 2;
 				continue;
-			}
+			} 
 
-			/* Check for CPP-escaped newline. */
+			/* Handle escaped `\\n' newlines. */
 
-			if (pos > 0 && '\\' == ln->buf[pos - 1]) {
+			if (pos > 0 && 0 == comment && 
+					'\\' == ln->buf[pos - 1]) {
 				for (j = pos - 1; j >= 0; j--)
 					if ('\\' != ln->buf[j])
 						break;
-
 				if ( ! ((pos - j) % 2)) {
 					pos--;
 					lnn++;
@@ -382,20 +399,17 @@
 
 			ln->buf[pos] = 0;
 			lnn++;
-			
-			/*
-			 * If no manual parser has been assigned, then
-			 * try to assign one in pset(), which may do
-			 * nothing at all.  After this, parse the manual
-			 * line accordingly.
-			 */
 
+			/* If unset, assign parser in pset(). */
+
 			if ( ! (man || mdoc) && ! pset(ln->buf, 
 						pos, curp, &man, &mdoc))
 				return(0);
 
-			pos = 0;
+			pos = comment = 0;
 
+			/* Pass down into parsers. */
+
 			if (man && ! man_parseln(man, lnn, ln->buf))
 				return(0);
 			if (mdoc && ! mdoc_parseln(mdoc, lnn, ln->buf))
@@ -403,7 +417,7 @@
 		}
 	}
 
-	/* Note that a parser may not have been assigned, yet. */
+	/* NOTE a parser may not have been assigned, yet. */
 
 	if ( ! (man || mdoc)) {
 		warnx("%s: not a manual", curp->file);
@@ -415,12 +429,7 @@
 	if (man && ! man_endparse(man))
 		return(0);
 
-	/*
-	 * If an output device hasn't been allocated, see if we should
-	 * do so now.  Note that not all outtypes have functions, so
-	 * this switch statement may be superfluous, but it's
-	 * low-overhead enough not to matter very much.
-	 */
+	/* If unset, allocate output dev now (if applicable). */
 
 	if ( ! (curp->outman && curp->outmdoc)) {
 		switch (curp->outtype) {
@@ -456,17 +465,23 @@
 pset(const char *buf, int pos, struct curparse *curp,
 		struct man **man, struct mdoc **mdoc)
 {
+	int		 i;
 
 	/*
 	 * Try to intuit which kind of manual parser should be used.  If
 	 * passed in by command-line (-man, -mdoc), then use that
 	 * explicitly.  If passed as -mandoc, then try to guess from the
-	 * line: either skip comments, use -mdoc when finding `.Dt', or
+	 * line: either skip dot-lines, use -mdoc when finding `.Dt', or
 	 * default to -man, which is more lenient.
 	 */
 
-	if (pos >= 3 && 0 == memcmp(buf, ".\\\"", 3))
-		return(1);
+	if (buf[0] == '.') {
+		for (i = 1; buf[i]; i++)
+			if (' ' != buf[i] && '\t' != buf[i])
+				break;
+		if (0 == buf[i])
+			return(1);
+	}
 
 	switch (curp->inttype) {
 	case (INTT_MDOC):