===================================================================
RCS file: /cvs/mandoc/man_validate.c,v
retrieving revision 1.74
retrieving revision 1.77
diff -u -p -r1.74 -r1.77
--- mandoc/man_validate.c	2011/09/04 09:58:40	1.74
+++ mandoc/man_validate.c	2011/11/03 20:48:52	1.77
@@ -1,4 +1,4 @@
-/*	$Id: man_validate.c,v 1.74 2011/09/04 09:58:40 kristaps Exp $ */
+/*	$Id: man_validate.c,v 1.77 2011/11/03 20:48:52 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
@@ -52,6 +52,7 @@ static	int	  check_le5(CHKARGS);
 static	int	  check_par(CHKARGS);
 static	int	  check_part(CHKARGS);
 static	int	  check_root(CHKARGS);
+static	void	  check_text(CHKARGS);
 
 static	int	  post_AT(CHKARGS);
 static	int	  post_vs(CHKARGS);
@@ -152,10 +153,11 @@ man_valid_post(struct man *m)
 	m->last->flags |= MAN_VALID;
 
 	switch (m->last->type) {
+	case (MAN_TEXT): 
+		check_text(m, m->last);
+		return(1);
 	case (MAN_ROOT):
 		return(check_root(m, m->last));
-	case (MAN_TEXT): 
-		/* FALLTHROUGH */
 	case (MAN_EQN):
 		/* FALLTHROUGH */
 	case (MAN_TBL):
@@ -206,6 +208,19 @@ check_root(CHKARGS) 
 	return(1);
 }
 
+static void
+check_text(CHKARGS)
+{
+	char		*cp, *p;
+
+	if (MAN_LITERAL & m->flags)
+		return;
+
+	cp = n->string;
+	for (p = cp; NULL != (p = strchr(p, '\t')); p++)
+		man_pmsg(m, n->line, (int)(p - cp), MANDOCERR_BADTAB);
+}
+
 #define	INEQ_DEFINE(x, ineq, name) \
 static int \
 check_##name(CHKARGS) \
@@ -400,10 +415,12 @@ post_TH(CHKARGS)
 
 	if (n)
 		n = n->next;
-	if (n)
+	if (n && n->string && '\0' != n->string[0]) {
 		pos = n->pos;
-	m->meta.date = mandoc_normdate
-		(m->parse, n ? n->string : NULL, line, pos);
+		m->meta.date = mandoc_normdate
+		    (m->parse, n->string, line, pos);
+	} else
+		m->meta.date = mandoc_strdup("");
 
 	/* TITLE MSEC DATE ->SOURCE<- VOL */
 
@@ -459,7 +476,6 @@ post_UC(CHKARGS)
 	const char	*p, *s;
 
 	n = n->child;
-	n = m->last->child;
 
 	if (NULL == n || MAN_TEXT != n->type)
 		p = bsd_versions[0];