===================================================================
RCS file: /cvs/mandoc/term_ascii.c,v
retrieving revision 1.38
retrieving revision 1.41
diff -u -p -r1.38 -r1.41
--- mandoc/term_ascii.c	2014/10/28 17:36:19	1.38
+++ mandoc/term_ascii.c	2014/12/19 17:12:04	1.41
@@ -1,4 +1,4 @@
-/*	$Id: term_ascii.c,v 1.38 2014/10/28 17:36:19 schwarze Exp $ */
+/*	$Id: term_ascii.c,v 1.41 2014/12/19 17:12:04 schwarze Exp $ */
 /*
  * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -19,6 +19,7 @@
 
 #include <sys/types.h>
 
+#include <assert.h>
 #if HAVE_WCHAR
 #include <locale.h>
 #endif
@@ -68,6 +69,9 @@ ascii_init(enum termenc enc, const struct mchars *mcha
 	p->symtab = mchars;
 	p->tabwidth = 5;
 	p->defrmargin = p->lastrmargin = 78;
+	p->fontq = mandoc_reallocarray(NULL,
+	     (p->fontsz = 8), sizeof(enum termfont));
+	p->fontq[0] = p->fontl = TERMFONT_NONE;
 
 	p->begin = ascii_begin;
 	p->end = ascii_end;
@@ -158,12 +162,14 @@ ascii_setwidth(struct termp *p, int iop, size_t width)
 {
 
 	p->rmargin = p->defrmargin;
-	if (0 < iop)
+	if (iop > 0)
 		p->defrmargin += width;
-	else if (0 > iop)
+	else if (iop == 0)
+		p->defrmargin = width ? width : p->lastrmargin;
+	else if (p->defrmargin > width)
 		p->defrmargin -= width;
 	else
-		p->defrmargin = width ? width : p->lastrmargin;
+		p->defrmargin = 0;
 	p->lastrmargin = p->rmargin;
 	p->rmargin = p->maxrmargin = p->defrmargin;
 }
@@ -337,8 +343,7 @@ ascii_uc2str(int uc)
 	"j",	"DZ",	"Dz",	"dz",	"'\bG",	"'\bg",	"HV",	"W",
 	"`\bN",	"`\bn",	"A",	"a",	"'\bAE","'\bae","O",	"o"};
 
-	if (uc < 0)
-		return("<?>");
+	assert(uc >= 0);
 	if ((size_t)uc < sizeof(tab)/sizeof(tab[0]))
 		return(tab[uc]);
 	return(mchars_uc2str(uc));