===================================================================
RCS file: /cvs/mandoc/mdoc_validate.c,v
retrieving revision 1.169
retrieving revision 1.171
diff -u -p -r1.169 -r1.171
--- mandoc/mdoc_validate.c	2011/04/30 10:18:24	1.169
+++ mandoc/mdoc_validate.c	2011/07/24 18:15:14	1.171
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_validate.c,v 1.169 2011/04/30 10:18:24 kristaps Exp $ */
+/*	$Id: mdoc_validate.c,v 1.171 2011/07/24 18:15:14 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
@@ -899,7 +899,7 @@ 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));
 }
 
@@ -2046,7 +2046,7 @@ 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;
 
 			/*