===================================================================
RCS file: /cvs/mandoc/roff.c,v
retrieving revision 1.227
retrieving revision 1.229
diff -u -p -r1.227 -r1.229
--- mandoc/roff.c	2014/09/06 22:39:36	1.227
+++ mandoc/roff.c	2014/09/07 00:21:53	1.229
@@ -1,4 +1,4 @@
-/*	$Id: roff.c,v 1.227 2014/09/06 22:39:36 schwarze Exp $ */
+/*	$Id: roff.c,v 1.229 2014/09/07 00:21:53 schwarze Exp $ */
 /*
  * Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -60,6 +60,7 @@ enum	rofft {
 	ROFF_nh,
 	ROFF_nr,
 	ROFF_ns,
+	ROFF_pl,
 	ROFF_ps,
 	ROFF_rm,
 	ROFF_rr,
@@ -256,6 +257,7 @@ static	struct roffmac	 roffs[ROFF_MAX] = {
 	{ "nh", roff_line_ignore, NULL, NULL, 0, NULL },
 	{ "nr", roff_nr, NULL, NULL, 0, NULL },
 	{ "ns", roff_line_ignore, NULL, NULL, 0, NULL },
+	{ "pl", roff_line_ignore, NULL, NULL, 0, NULL },
 	{ "ps", roff_line_ignore, NULL, NULL, 0, NULL },
 	{ "rm", roff_rm, NULL, NULL, 0, NULL },
 	{ "rr", roff_rr, NULL, NULL, 0, NULL },
@@ -758,6 +760,15 @@ roff_parseln(struct roff *r, int ln, char **bufp,
 			return(tbl_read(r->tbl, ln, *bufp, pos));
 		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,