===================================================================
RCS file: /cvs/mandoc/term.c,v
retrieving revision 1.242
retrieving revision 1.246
diff -u -p -r1.242 -r1.246
--- mandoc/term.c	2014/12/24 23:32:42	1.242
+++ mandoc/term.c	2015/04/02 23:48:20	1.246
@@ -1,15 +1,15 @@
-/*	$Id: term.c,v 1.242 2014/12/24 23:32:42 schwarze Exp $ */
+/*	$Id: term.c,v 1.246 2015/04/02 23:48:20 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010-2015 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
  * copyright notice and this permission notice appear in all copies.
  *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
@@ -49,7 +49,7 @@ term_free(struct termp *p)
 
 void
 term_begin(struct termp *p, term_margin head,
-		term_margin foot, const void *arg)
+		term_margin foot, const struct roff_meta *arg)
 {
 
 	p->headf = head;
@@ -363,22 +363,14 @@ term_fontpush(struct termp *p, enum termfont f)
 	p->fontq[p->fonti] = f;
 }
 
-/* Retrieve pointer to current font. */
-const enum termfont *
-term_fontq(struct termp *p)
-{
-
-	return(&p->fontq[p->fonti]);
-}
-
 /* Flush to make the saved pointer current again. */
 void
-term_fontpopq(struct termp *p, const enum termfont *key)
+term_fontpopq(struct termp *p, int i)
 {
 
-	while (p->fonti >= 0 && key < p->fontq + p->fonti)
-		p->fonti--;
-	assert(p->fonti >= 0);
+	assert(i >= 0);
+	if (p->fonti > i)
+		p->fonti = i;
 }
 
 /* Pop one font off the stack. */
@@ -421,6 +413,7 @@ term_word(struct termp *p, const char *word)
 		p->flags |= TERMP_NOSPACE;
 
 	p->flags &= ~(TERMP_SENTENCE | TERMP_NONEWLINE);
+	p->skipvsp = 0;
 
 	while ('\0' != *word) {
 		if ('\\' != *word) {
@@ -495,6 +488,17 @@ term_word(struct termp *p, const char *word)
 		case ESCAPE_SKIPCHAR:
 			p->flags |= TERMP_SKIPCHAR;
 			continue;
+		case ESCAPE_OVERSTRIKE:
+			cp = seq + sz;
+			while (seq < cp) {
+				if (*seq == '\\') {
+					mandoc_escape(&seq, NULL, NULL);
+					continue;
+				}
+				encode1(p, *seq++);
+				if (seq < cp)
+					encode(p, "\b", 1);
+			}
 		default:
 			continue;
 		}
@@ -557,7 +561,7 @@ encode1(struct termp *p, int c)
 	if (p->col + 6 >= p->maxcols)
 		adjbuf(p, p->col + 6);
 
-	f = *term_fontq(p);
+	f = p->fontq[p->fonti];
 
 	if (TERMFONT_UNDER == f || TERMFONT_BI == f) {
 		p->buf[p->col++] = '_';
@@ -589,7 +593,7 @@ encode(struct termp *p, const char *word, size_t sz)
 	 * character by character.
 	 */
 
-	if (*term_fontq(p) == TERMFONT_NONE) {
+	if (p->fontq[p->fonti] == TERMFONT_NONE) {
 		if (p->col + sz >= p->maxcols)
 			adjbuf(p, p->col + sz);
 		for (i = 0; i < sz; i++)
@@ -715,6 +719,20 @@ term_strlen(const struct termp *p, const char *cp)
 				continue;
 			case ESCAPE_SKIPCHAR:
 				skip = 1;
+				continue;
+			case ESCAPE_OVERSTRIKE:
+				rsz = 0;
+				rhs = seq + ssz;
+				while (seq < rhs) {
+					if (*seq == '\\') {
+						mandoc_escape(&seq, NULL, NULL);
+						continue;
+					}
+					i = (*p->width)(p, *seq++);
+					if (rsz < i)
+						rsz = i;
+				}
+				sz += rsz;
 				continue;
 			default:
 				continue;