===================================================================
RCS file: /cvs/mandoc/roff.c,v
retrieving revision 1.226
retrieving revision 1.228
diff -u -p -r1.226 -r1.228
--- mandoc/roff.c	2014/08/19 16:52:32	1.226
+++ mandoc/roff.c	2014/09/06 23:24:32	1.228
@@ -1,4 +1,4 @@
-/*	$Id: roff.c,v 1.226 2014/08/19 16:52:32 schwarze Exp $ */
+/*	$Id: roff.c,v 1.228 2014/09/06 23:24:32 schwarze Exp $ */
 /*
  * Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -122,6 +122,7 @@ struct	roff {
 	int		 options; /* parse options */
 	int		 rstacksz; /* current size limit of rstack */
 	int		 rstackpos; /* position in rstack */
+	int		 format; /* current file in mdoc or man format */
 	char		 control; /* control character */
 };
 
@@ -456,6 +457,7 @@ roff_reset(struct roff *r)
 {
 
 	roff_free1(r);
+	r->format = r->options & (MPARSE_MDOC | MPARSE_MAN);
 	r->control = 0;
 }
 
@@ -475,6 +477,7 @@ roff_alloc(struct mparse *parse, int options)
 	r = mandoc_calloc(1, sizeof(struct roff));
 	r->parse = parse;
 	r->options = options;
+	r->format = options & (MPARSE_MDOC | MPARSE_MAN);
 	r->rstackpos = -1;
 
 	roffhash_init();
@@ -756,6 +759,15 @@ roff_parseln(struct roff *r, int ln, char **bufp,
 		return(roff_parsetext(bufp, szp, pos, offs));
 	}
 
+	/* Skip empty request lines. */
+
+	if ((*bufp)[pos] == '"') {
+		mandoc_msg(MANDOCERR_COMMENT_BAD, r->parse,
+		    ln, pos, NULL);
+		return(ROFF_IGN);
+	} else if ((*bufp)[pos] == '\0')
+		return(ROFF_IGN);
+
 	/*
 	 * If a scope is open, go to the child handler for that macro,
 	 * as it may want to preprocess before doing anything with it.
@@ -1776,10 +1788,13 @@ roff_Dd(ROFF_ARGS)
 {
 	const char *const	*cp;
 
-	if (0 == ((MPARSE_MDOC | MPARSE_QUICK) & r->options))
+	if ((r->options & (MPARSE_MDOC | MPARSE_QUICK)) == 0)
 		for (cp = __mdoc_reserved; *cp; cp++)
 			roff_setstr(r, *cp, NULL, 0);
 
+	if (r->format == 0)
+		r->format = MPARSE_MDOC;
+
 	return(ROFF_CONT);
 }
 
@@ -1788,10 +1803,13 @@ roff_TH(ROFF_ARGS)
 {
 	const char *const	*cp;
 
-	if (0 == (MPARSE_QUICK & r->options))
+	if ((r->options & MPARSE_QUICK) == 0)
 		for (cp = __man_reserved; *cp; cp++)
 			roff_setstr(r, *cp, NULL, 0);
 
+	if (r->format == 0)
+		r->format = MPARSE_MAN;
+
 	return(ROFF_CONT);
 }
 
@@ -2305,6 +2323,13 @@ roff_strdup(const struct roff *r, const char *p)
 
 	res[(int)ssz] = '\0';
 	return(res);
+}
+
+int
+roff_getformat(const struct roff *r)
+{
+
+	return(r->format);
 }
 
 /*