===================================================================
RCS file: /cvs/mandoc/man_term.c,v
retrieving revision 1.134
retrieving revision 1.140
diff -u -p -r1.134 -r1.140
--- mandoc/man_term.c	2012/07/29 12:35:42	1.134
+++ mandoc/man_term.c	2014/02/16 12:33:39	1.140
@@ -1,7 +1,7 @@
-/*	$Id: man_term.c,v 1.134 2012/07/29 12:35:42 schwarze Exp $ */
+/*	$Id: man_term.c,v 1.140 2014/02/16 12:33:39 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010, 2011, 2012 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010-2014 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
@@ -48,7 +48,7 @@ struct	mtermp {
 #define	DECL_ARGS 	  struct termp *p, \
 			  struct mtermp *mt, \
 			  const struct man_node *n, \
-			  const struct man_meta *m
+			  const struct man_meta *meta
 
 struct	termact {
 	int		(*pre)(DECL_ARGS);
@@ -78,6 +78,7 @@ static	int		  pre_RS(DECL_ARGS);
 static	int		  pre_SH(DECL_ARGS);
 static	int		  pre_SS(DECL_ARGS);
 static	int		  pre_TP(DECL_ARGS);
+static	int		  pre_UR(DECL_ARGS);
 static	int		  pre_alternate(DECL_ARGS);
 static	int		  pre_ft(DECL_ARGS);
 static	int		  pre_ign(DECL_ARGS);
@@ -91,6 +92,7 @@ static	void		  post_RS(DECL_ARGS);
 static	void		  post_SH(DECL_ARGS);
 static	void		  post_SS(DECL_ARGS);
 static	void		  post_TP(DECL_ARGS);
+static	void		  post_UR(DECL_ARGS);
 
 static	const struct termact termacts[MAN_MAX] = {
 	{ pre_sp, NULL, MAN_NOTEXT }, /* br */
@@ -129,6 +131,8 @@ static	const struct termact termacts[MAN_MAX] = {
 	{ pre_OP, NULL, 0 }, /* OP */
 	{ pre_literal, NULL, 0 }, /* EX */
 	{ pre_literal, NULL, 0 }, /* EE */
+	{ pre_UR, post_UR, 0 }, /* UR */
+	{ NULL, NULL, 0 }, /* UE */
 };
 
 
@@ -138,7 +142,7 @@ terminal_man(void *arg, const struct man *man)
 {
 	struct termp		*p;
 	const struct man_node	*n;
-	const struct man_meta	*m;
+	const struct man_meta	*meta;
 	struct mtermp		 mt;
 
 	p = (struct termp *)arg;
@@ -154,9 +158,9 @@ terminal_man(void *arg, const struct man *man)
 		p->symtab = mchars_alloc();
 
 	n = man_node(man);
-	m = man_meta(man);
+	meta = man_meta(man);
 
-	term_begin(p, print_man_head, print_man_foot, m);
+	term_begin(p, print_man_head, print_man_foot, meta);
 	p->flags |= TERMP_NOSPACE;
 
 	memset(&mt, 0, sizeof(struct mtermp));
@@ -166,7 +170,7 @@ terminal_man(void *arg, const struct man *man)
 	mt.pardist = 1;
 
 	if (n->child)
-		print_man_nodelist(p, &mt, n->child, m);
+		print_man_nodelist(p, &mt, n->child, meta);
 
 	term_end(p);
 }
@@ -261,7 +265,8 @@ pre_literal(DECL_ARGS)
 	if (MAN_HP == n->parent->tok && p->rmargin < p->maxrmargin) {
 		p->offset = p->rmargin;
 		p->rmargin = p->maxrmargin;
-		p->flags &= ~(TERMP_NOBREAK | TERMP_TWOSPACE);
+		p->trailspace = 0;
+		p->flags &= ~TERMP_NOBREAK;
 		p->flags |= TERMP_NOSPACE;
 	}
 
@@ -327,7 +332,7 @@ pre_alternate(DECL_ARGS)
 		term_fontrepl(p, font[i]);
 		if (savelit && NULL == nn->next)
 			mt->fl |= MANT_LITERAL;
-		print_man_node(p, mt, nn, m);
+		print_man_node(p, mt, nn, meta);
 		if (nn->next)
 			p->flags |= TERMP_NOSPACE;
 	}
@@ -531,7 +536,7 @@ pre_HP(DECL_ARGS)
 
 	if ( ! (MANT_LITERAL & mt->fl)) {
 		p->flags |= TERMP_NOBREAK;
-		p->flags |= TERMP_TWOSPACE;
+		p->trailspace = 2;
 	}
 
 	len = mt->lmargin[mt->lmargincur];
@@ -564,9 +569,9 @@ post_HP(DECL_ARGS)
 
 	switch (n->type) {
 	case (MAN_BODY):
-		term_flushln(p);
+		term_newln(p);
 		p->flags &= ~TERMP_NOBREAK;
-		p->flags &= ~TERMP_TWOSPACE;
+		p->trailspace = 0;
 		p->offset = mt->offset;
 		p->rmargin = p->maxrmargin;
 		break;
@@ -609,6 +614,7 @@ pre_IP(DECL_ARGS)
 		break;
 	case (MAN_HEAD):
 		p->flags |= TERMP_NOBREAK;
+		p->trailspace = 1;
 		break;
 	case (MAN_BLOCK):
 		print_bvspace(p, n, mt->pardist);
@@ -644,7 +650,7 @@ pre_IP(DECL_ARGS)
 		mt->fl &= ~MANT_LITERAL;
 
 		if (n->child)
-			print_man_node(p, mt, n->child, m);
+			print_man_node(p, mt, n->child, meta);
 
 		if (savelit)
 			mt->fl |= MANT_LITERAL;
@@ -652,7 +658,8 @@ pre_IP(DECL_ARGS)
 		return(0);
 	case (MAN_BODY):
 		p->offset = mt->offset + len;
-		p->rmargin = p->maxrmargin;
+		p->rmargin = p->maxrmargin > p->offset ?
+				p->maxrmargin : p->offset;
 		break;
 	default:
 		break;
@@ -671,10 +678,12 @@ post_IP(DECL_ARGS)
 	case (MAN_HEAD):
 		term_flushln(p);
 		p->flags &= ~TERMP_NOBREAK;
+		p->trailspace = 0;
 		p->rmargin = p->maxrmargin;
 		break;
 	case (MAN_BODY):
 		term_newln(p);
+		p->offset = mt->offset;
 		break;
 	default:
 		break;
@@ -693,6 +702,7 @@ pre_TP(DECL_ARGS)
 	switch (n->type) {
 	case (MAN_HEAD):
 		p->flags |= TERMP_NOBREAK;
+		p->trailspace = 1;
 		break;
 	case (MAN_BODY):
 		p->flags |= TERMP_NOSPACE;
@@ -729,7 +739,7 @@ pre_TP(DECL_ARGS)
 		/* Don't print same-line elements. */
 		for (nn = n->child; nn; nn = nn->next)
 			if (nn->line > n->line)
-				print_man_node(p, mt, nn, m);
+				print_man_node(p, mt, nn, meta);
 
 		if (savelit)
 			mt->fl |= MANT_LITERAL;
@@ -739,9 +749,10 @@ pre_TP(DECL_ARGS)
 		return(0);
 	case (MAN_BODY):
 		p->offset = mt->offset + len;
-		p->rmargin = p->maxrmargin;
+		p->rmargin = p->maxrmargin > p->offset ?
+				p->maxrmargin : p->offset;
+		p->trailspace = 0;
 		p->flags &= ~TERMP_NOBREAK;
-		p->flags &= ~TERMP_TWOSPACE;
 		break;
 	default:
 		break;
@@ -762,6 +773,7 @@ post_TP(DECL_ARGS)
 		break;
 	case (MAN_BODY):
 		term_newln(p);
+		p->offset = mt->offset;
 		break;
 	default:
 		break;
@@ -899,8 +911,9 @@ pre_RS(DECL_ARGS)
 			sz = (size_t)ival;
 
 	mt->offset += sz;
-	p->rmargin = p->maxrmargin;
-	p->offset = mt->offset < p->rmargin ? mt->offset : p->rmargin;
+	p->offset = mt->offset;
+	p->rmargin = p->maxrmargin > p->offset ?
+			p->maxrmargin : p->offset;
 
 	if (++mt->lmarginsz < MAXMARGINS)
 		mt->lmargincur = mt->lmarginsz;
@@ -939,7 +952,33 @@ post_RS(DECL_ARGS)
 		mt->lmargincur = mt->lmarginsz;
 }
 
+/* ARGSUSED */
+static int
+pre_UR(DECL_ARGS)
+{
+
+	return (MAN_HEAD != n->type);
+}
+
+/* ARGSUSED */
 static void
+post_UR(DECL_ARGS)
+{
+
+	if (MAN_BLOCK != n->type)
+		return;
+
+	term_word(p, "<");
+	p->flags |= TERMP_NOSPACE;
+
+	if (NULL != n->child->child)
+		print_man_node(p, mt, n->child->child, meta);
+
+	p->flags |= TERMP_NOSPACE;
+	term_word(p, ">");
+}
+
+static void
 print_man_node(DECL_ARGS)
 {
 	size_t		 rm, rmax;
@@ -982,13 +1021,13 @@ print_man_node(DECL_ARGS)
 
 	c = 1;
 	if (termacts[n->tok].pre)
-		c = (*termacts[n->tok].pre)(p, mt, n, m);
+		c = (*termacts[n->tok].pre)(p, mt, n, meta);
 
 	if (c && n->child)
-		print_man_nodelist(p, mt, n->child, m);
+		print_man_nodelist(p, mt, n->child, meta);
 
 	if (termacts[n->tok].post)
-		(*termacts[n->tok].post)(p, mt, n, m);
+		(*termacts[n->tok].post)(p, mt, n, meta);
 	if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
 		term_fontrepl(p, TERMFONT_NONE);
 
@@ -1001,7 +1040,7 @@ out:
 	 * more specific than this.
 	 */
 	if (MANT_LITERAL & mt->fl && ! (TERMP_NOBREAK & p->flags) &&
-	    NULL != n->next && n->next->line > n->line) {
+	    (NULL == n->next || n->next->line > n->line)) {
 		rm = p->rmargin;
 		rmax = p->maxrmargin;
 		p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
@@ -1026,10 +1065,10 @@ static void
 print_man_nodelist(DECL_ARGS)
 {
 
-	print_man_node(p, mt, n, m);
+	print_man_node(p, mt, n, meta);
 	if ( ! n->next)
 		return;
-	print_man_nodelist(p, mt, n->next, m);
+	print_man_nodelist(p, mt, n->next, meta);
 }
 
 
@@ -1069,6 +1108,7 @@ print_man_foot(struct termp *p, const void *arg)
 	/* Bottom left corner: manual source. */
 
 	p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
+	p->trailspace = 1;
 	p->offset = 0;
 	p->rmargin = (p->maxrmargin - datelen + term_len(p, 1)) / 2;
 
@@ -1091,6 +1131,7 @@ print_man_foot(struct termp *p, const void *arg)
 
 	p->flags &= ~TERMP_NOBREAK;
 	p->flags |= TERMP_NOSPACE;
+	p->trailspace = 0;
 	p->offset = p->rmargin;
 	p->rmargin = p->maxrmargin;
 
@@ -1104,24 +1145,25 @@ print_man_head(struct termp *p, const void *arg)
 {
 	char		buf[BUFSIZ], title[BUFSIZ];
 	size_t		buflen, titlen;
-	const struct man_meta *m;
+	const struct man_meta *meta;
 
-	m = (const struct man_meta *)arg;
-	assert(m->title);
-	assert(m->msec);
+	meta = (const struct man_meta *)arg;
+	assert(meta->title);
+	assert(meta->msec);
 
-	if (m->vol)
-		strlcpy(buf, m->vol, BUFSIZ);
+	if (meta->vol)
+		strlcpy(buf, meta->vol, BUFSIZ);
 	else
 		buf[0] = '\0';
 	buflen = term_strlen(p, buf);
 
 	/* Top left corner: manual title and section. */
 
-	snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
+	snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec);
 	titlen = term_strlen(p, title);
 
 	p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
+	p->trailspace = 1;
 	p->offset = 0;
 	p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
 	    (p->maxrmargin - 
@@ -1144,6 +1186,7 @@ print_man_head(struct termp *p, const void *arg)
 	/* Top right corner: title and section, again. */
 
 	p->flags &= ~TERMP_NOBREAK;
+	p->trailspace = 0;
 	if (p->rmargin + titlen <= p->maxrmargin) {
 		p->flags |= TERMP_NOSPACE;
 		p->offset = p->rmargin;