===================================================================
RCS file: /cvs/mandoc/term_ascii.c,v
retrieving revision 1.20
retrieving revision 1.24
diff -u -p -r1.20 -r1.24
--- mandoc/term_ascii.c	2011/12/04 23:10:52	1.20
+++ mandoc/term_ascii.c	2014/03/30 21:28:01	1.24
@@ -1,6 +1,7 @@
-/*	$Id: term_ascii.c,v 1.20 2011/12/04 23:10:52 schwarze Exp $ */
+/*	$Id: term_ascii.c,v 1.24 2014/03/30 21:28:01 schwarze Exp $ */
 /*
  * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -20,7 +21,6 @@
 
 #include <sys/types.h>
 
-#include <assert.h>
 #ifdef USE_WCHAR
 # include <locale.h>
 #endif
@@ -33,6 +33,7 @@
 #endif
 
 #include "mandoc.h"
+#include "mandoc_aux.h"
 #include "out.h"
 #include "term.h"
 #include "main.h"
@@ -57,6 +58,7 @@ static	void		  ascii_begin(struct termp *);
 static	void		  ascii_end(struct termp *);
 static	void		  ascii_endline(struct termp *);
 static	void		  ascii_letter(struct termp *, int);
+static	void		  ascii_setwidth(struct termp *, int, size_t);
 
 #ifdef	USE_WCHAR
 static	void		  locale_advance(struct termp *, size_t);
@@ -73,10 +75,9 @@ ascii_init(enum termenc enc, char *outopts)
 	struct termp	*p;
 
 	p = mandoc_calloc(1, sizeof(struct termp));
-	p->enc = enc;
 
 	p->tabwidth = 5;
-	p->defrmargin = 78;
+	p->defrmargin = p->lastrmargin = 78;
 
 	p->begin = ascii_begin;
 	p->end = ascii_end;
@@ -87,13 +88,14 @@ ascii_init(enum termenc enc, char *outopts)
 	p->advance = ascii_advance;
 	p->endline = ascii_endline;
 	p->letter = ascii_letter;
+	p->setwidth = ascii_setwidth;
 	p->width = ascii_width;
 
 #ifdef	USE_WCHAR
 	if (TERMENC_ASCII != enc) {
 		v = TERMENC_LOCALE == enc ?
 			setlocale(LC_ALL, "") :
-			setlocale(LC_CTYPE, "UTF-8");
+			setlocale(LC_CTYPE, "en_US.UTF-8");
 		if (NULL != v && MB_CUR_MAX > 1) {
 			p->enc = enc;
 			p->advance = locale_advance;
@@ -156,6 +158,21 @@ locale_alloc(char *outopts)
 {
 
 	return(ascii_init(TERMENC_LOCALE, outopts));
+}
+
+static void
+ascii_setwidth(struct termp *p, int iop, size_t width)
+{
+
+	p->rmargin = p->defrmargin;
+	if (0 < iop)
+		p->defrmargin += width;
+	else if (0 > iop)
+		p->defrmargin -= width;
+	else
+		p->defrmargin = width ? width : p->lastrmargin;
+	p->lastrmargin = p->rmargin;
+	p->rmargin = p->maxrmargin = p->defrmargin;
 }
 
 /* ARGSUSED */