===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/mdoc.c,v
retrieving revision 1.33
retrieving revision 1.34
diff -u -r1.33 -r1.34
--- src/usr.bin/mandoc/mdoc.c	2010/01/02 02:42:06	1.33
+++ src/usr.bin/mandoc/mdoc.c	2010/02/18 02:11:26	1.34
@@ -1,4 +1,4 @@
-/*	$Id: mdoc.c,v 1.33 2010/01/02 02:42:06 schwarze Exp $ */
+/*	$Id: mdoc.c,v 1.34 2010/02/18 02:11:26 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -577,6 +577,7 @@
 parsetext(struct mdoc *m, int line, char *buf)
 {
 	int		 i, j;
+	char		 sv;
 
 	if (SEC_NONE == m->lastnamed)
 		return(mdoc_perr(m, line, 0, ETEXTPROL));
@@ -593,7 +594,8 @@
 
 	for (i = 0; ' ' == buf[i]; i++)
 		/* Skip leading whitespace. */ ;
-	if (0 == buf[i])
+
+	if ('\0' == buf[i])
 		return(mdoc_perr(m, line, 0, ENOBLANK));
 
 	/*
@@ -609,15 +611,30 @@
 		if (i && ' ' == buf[i] && '\\' == buf[i - 1])
 			continue;
 
-		buf[i++] = 0;
+		sv = buf[i];
+		buf[i++] = '\0';
+
 		if ( ! pstring(m, line, j, &buf[j], (size_t)(i - j)))
 			return(0);
 
+		/* Trailing whitespace?  Check at overwritten byte. */
+
+		if (' ' == sv && '\0' == buf[i])
+			if ( ! mdoc_pwarn(m, line, i - 1, ETAILWS))
+				return(0);
+
 		for ( ; ' ' == buf[i]; i++)
 			/* Skip trailing whitespace. */ ;
 
 		j = i;
-		if (0 == buf[i])
+
+		/* Trailing whitespace? */
+
+		if (' ' == buf[i - 1] && '\0' == buf[i])
+			if ( ! mdoc_pwarn(m, line, i - 1, ETAILWS))
+				return(0);
+
+		if ('\0' == buf[i])
 			break;
 	}
 
@@ -654,7 +671,7 @@
 
 	/* Empty lines are ignored. */
 
-	if (0 == buf[1])
+	if ('\0' == buf[1])
 		return(1);
 
 	i = 1;
@@ -665,14 +682,14 @@
 		i++;
 		while (buf[i] && ' ' == buf[i])
 			i++;
-		if (0 == buf[i])
+		if ('\0' == buf[i])
 			return(1);
 	}
 
 	/* Copy the first word into a nil-terminated buffer. */
 
 	for (j = 0; j < 4; j++, i++) {
-		if (0 == (mac[j] = buf[i]))
+		if ('\0' == (mac[j] = buf[i]))
 			break;
 		else if (' ' == buf[i])
 			break;
@@ -702,6 +719,12 @@
 
 	while (buf[i] && ' ' == buf[i])
 		i++;
+
+	/* Trailing whitespace? */
+
+	if ('\0' == buf[i] && ' ' == buf[i - 1])
+		if ( ! mdoc_pwarn(m, ln, i - 1, ETAILWS))
+			goto err;
 
 	/* 
 	 * Begin recursive parse sequence.  Since we're at the start of