===================================================================
RCS file: /cvs/mandoc/mdoc_validate.c,v
retrieving revision 1.164
retrieving revision 1.172
diff -u -p -r1.164 -r1.172
--- mandoc/mdoc_validate.c	2011/03/20 16:02:05	1.164
+++ mandoc/mdoc_validate.c	2011/07/26 14:09:01	1.172
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_validate.c,v 1.164 2011/03/20 16:02:05 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>
@@ -33,6 +33,7 @@
 #include <string.h>
 #include <time.h>
 
+#include "mdoc.h"
 #include "mandoc.h"
 #include "libmdoc.h"
 #include "libmandoc.h"
@@ -154,9 +155,9 @@ static	v_post	 posts_notext[] = { ewarn_eq0, NULL };
 static	v_post	 posts_ns[] = { post_ns, NULL };
 static	v_post	 posts_os[] = { post_os, post_prol, NULL };
 static	v_post	 posts_rs[] = { post_rs, NULL };
-static	v_post	 posts_sh[] = { post_ignpar, hwarn_ge1, bwarn_ge1, post_sh, NULL };
+static	v_post	 posts_sh[] = { post_ignpar, hwarn_ge1, post_sh, NULL };
 static	v_post	 posts_sp[] = { ewarn_le1, NULL };
-static	v_post	 posts_ss[] = { post_ignpar, hwarn_ge1, bwarn_ge1, NULL };
+static	v_post	 posts_ss[] = { post_ignpar, hwarn_ge1, NULL };
 static	v_post	 posts_st[] = { post_st, NULL };
 static	v_post	 posts_std[] = { post_std, NULL };
 static	v_post	 posts_text[] = { ewarn_ge1, NULL };
@@ -544,31 +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)
 {
-	int		 c;
-	size_t		 sz;
+	char		*cp;
 
-	for ( ; *p; p++, pos++) {
-		sz = strcspn(p, "\t\\");
-		p += (int)sz;
-
-		if ('\0' == *p)
-			break;
-
-		pos += (int)sz;
-
-		if ('\t' == *p) {
-			if ( ! (MDOC_LITERAL & m->flags))
-				mdoc_pmsg(m, ln, pos, MANDOCERR_BADTAB);
+	cp = p;
+	for (cp = p; NULL != (p = strchr(p, '\t')); p++) {
+		if (MDOC_LITERAL & m->flags)
 			continue;
-		}
-
-		if (0 == (c = mandoc_special(p))) {
-			mdoc_pmsg(m, ln, pos, MANDOCERR_BADESCAPE);
-			continue;
-		}
-
-		p += c - 1;
-		pos += c - 1;
+		mdoc_pmsg(m, ln, (int)(p - cp), MANDOCERR_BADTAB);
 	}
 }
 
@@ -890,7 +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));
 }
 
@@ -1526,7 +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.
 	 */
@@ -2037,7 +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;
 
 			/* 
@@ -2193,7 +2176,7 @@ post_os(POST_ARGS)
 			return(0);
 		}
 #else /*!OSNAME */
-		if (uname(&utsname)) {
+		if (-1 == uname(&utsname)) {
 			mdoc_nmsg(mdoc, n, MANDOCERR_UNAME);
                         mdoc->meta.os = mandoc_strdup("UNKNOWN");
                         return(post_prol(mdoc));