===================================================================
RCS file: /cvs/mandoc/mdoc_validate.c,v
retrieving revision 1.168
retrieving revision 1.172
diff -u -p -r1.168 -r1.172
--- mandoc/mdoc_validate.c	2011/04/13 09:57:08	1.168
+++ mandoc/mdoc_validate.c	2011/07/26 14:09:01	1.172
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_validate.c,v 1.168 2011/04/13 09:57:08 kristaps Exp $ */
+/*	$Id: mdoc_validate.c,v 1.172 2011/07/26 14:09:01 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
@@ -545,39 +545,13 @@ check_argv(struct mdoc *m, struct mdoc_node *n, struct
 static void
 check_text(struct mdoc *m, int ln, int pos, char *p)
 {
-	char		*cpp, *pp;
-	size_t		 sz;
+	char		*cp;
 
-	while ('\0' != *p) {
-		sz = strcspn(p, "\t\\");
-
-		p += (int)sz;
-		pos += (int)sz;
-
-		if ('\t' == *p) {
-			if ( ! (MDOC_LITERAL & m->flags))
-				mdoc_pmsg(m, ln, pos, MANDOCERR_BADTAB);
-			p++;
-			pos++;
+	cp = p;
+	for (cp = p; NULL != (p = strchr(p, '\t')); p++) {
+		if (MDOC_LITERAL & m->flags)
 			continue;
-		} else if ('\0' == *p)
-			break;
-
-		pos++;
-		pp = ++p;
-
-		if (ESCAPE_ERROR == mandoc_escape
-				((const char **)&pp, NULL, NULL)) {
-			mdoc_pmsg(m, ln, pos, MANDOCERR_BADESCAPE);
-			break;
-		}
-
-		cpp = p;
-		while (NULL != (cpp = memchr(cpp, ASCII_HYPH, pp - cpp)))
-			*cpp = '-';
-
-		pos += pp - p;
-		p = pp;
+		mdoc_pmsg(m, ln, (int)(p - cp), MANDOCERR_BADTAB);
 	}
 }
 
@@ -899,7 +873,7 @@ pre_sh(PRE_ARGS)
 	if (MDOC_BLOCK != n->type)
 		return(1);
 
-	mdoc->regs->regs[(int)REG_nS].set = 0;
+	roff_regunset(mdoc->roff, REG_nS);
 	return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
 }
 
@@ -1535,7 +1509,7 @@ post_bl_head(POST_ARGS) 
 	assert(0 == np->args->argv[j].sz);
 
 	/*
-	 * Accomodate for new-style groff column syntax.  Shuffle the
+	 * Accommodate for new-style groff column syntax.  Shuffle the
 	 * child nodes, all of which must be TEXT, as arguments for the
 	 * column field.  Then, delete the head children.
 	 */
@@ -2046,7 +2020,7 @@ post_dt(POST_ARGS)
 
 	if (NULL != (nn = n->child))
 		for (p = nn->string; *p; p++) {
-			if (toupper((u_char)*p) == *p)
+			if (toupper((unsigned char)*p) == *p)
 				continue;
 
 			/*