===================================================================
RCS file: /cvs/mandoc/demandoc.c,v
retrieving revision 1.13
retrieving revision 1.15
diff -u -p -r1.13 -r1.15
--- mandoc/demandoc.c	2015/01/15 04:26:39	1.13
+++ mandoc/demandoc.c	2015/02/10 08:05:30	1.15
@@ -1,4 +1,4 @@
-/*	$Id: demandoc.c,v 1.13 2015/01/15 04:26:39 schwarze Exp $ */
+/*	$Id: demandoc.c,v 1.15 2015/02/10 08:05:30 schwarze Exp $ */
 /*
  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -47,8 +47,9 @@ main(int argc, char *argv[])
 	int		 ch, fd, i, list;
 	extern int	 optind;
 
-	progname = strrchr(argv[0], '/');
-	if (progname == NULL)
+	if (argc < 1)
+		progname = "demandoc";
+	else if ((progname = strrchr(argv[0], '/')) == NULL)
 		progname = argv[0];
 	else
 		++progname;
@@ -81,7 +82,7 @@ main(int argc, char *argv[])
 	mp = mparse_alloc(MPARSE_SO, MANDOCLEVEL_BADARG, NULL, mchars, NULL);
 	assert(mp);
 
-	if (0 == argc)
+	if (argc < 1)
 		pmandoc(mp, STDIN_FILENO, "<stdin>", list);
 
 	for (i = 0; i < argc; i++) {
@@ -117,7 +118,7 @@ pmandoc(struct mparse *mp, int fd, const char *fn, int
 	line = 1;
 	col = 0;
 
-	if (mdoc) 
+	if (mdoc)
 		pmdoc(mdoc_node(mdoc), &line, &col, list);
 	else if (man)
 		pman(man_node(man), &line, &col, list);
@@ -167,7 +168,7 @@ again:
 		end = p - 1;
 
 		while (end > start)
-			if ('.' == *end || ',' == *end || 
+			if ('.' == *end || ',' == *end ||
 					'\'' == *end || '"' == *end ||
 					')' == *end || '!' == *end ||
 					'?' == *end || ':' == *end ||
@@ -199,7 +200,7 @@ again:
 	/*
 	 * Print the input word, skipping any special characters.
 	 */
-	while ('\0' != *p) 
+	while ('\0' != *p)
 		if ('\\' == *p) {
 			p++;
 			esc = mandoc_escape(&p, NULL, NULL);
@@ -220,7 +221,7 @@ pline(int line, int *linep, int *col, int list)
 
 	/*
 	 * Print out as many lines as needed to reach parity with the
-	 * original input. 
+	 * original input.
 	 */
 
 	while (*linep < line) {
@@ -240,7 +241,7 @@ pmdoc(const struct mdoc_node *p, int *line, int *col, 
 			pline(p->line, line, col, list);
 		if (MDOC_TEXT == p->type)
 			pstring(p->string, p->pos, col, list);
-		if (p->child) 
+		if (p->child)
 			pmdoc(p->child, line, col, list);
 	}
 }
@@ -254,7 +255,7 @@ pman(const struct man_node *p, int *line, int *col, in
 			pline(p->line, line, col, list);
 		if (MAN_TEXT == p->type)
 			pstring(p->string, p->pos, col, list);
-		if (p->child) 
+		if (p->child)
 			pman(p->child, line, col, list);
 	}
 }