===================================================================
RCS file: /cvs/mandoc/mdoc_term.c,v
retrieving revision 1.234
retrieving revision 1.238
diff -u -p -r1.234 -r1.238
--- mandoc/mdoc_term.c	2011/09/19 22:36:16	1.234
+++ mandoc/mdoc_term.c	2011/11/13 13:15:14	1.238
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_term.c,v 1.234 2011/09/19 22:36:16 schwarze Exp $ */
+/*	$Id: mdoc_term.c,v 1.238 2011/11/13 13:15:14 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
@@ -34,9 +34,6 @@
 #include "mdoc.h"
 #include "main.h"
 
-#define	INDENT		  5
-#define	HALFINDENT	  3
-
 struct	termpair {
 	struct termpair	 *ppair;
 	int		  count;
@@ -194,7 +191,7 @@ static	const struct termact termacts[MDOC_MAX] = {
 	{ NULL, NULL }, /* Ec */ /* FIXME: no space */
 	{ NULL, NULL }, /* Ef */
 	{ termp_under_pre, NULL }, /* Em */ 
-	{ NULL, NULL }, /* Eo */
+	{ termp_quote_pre, termp_quote_post }, /* Eo */
 	{ termp_xx_pre, NULL }, /* Fx */
 	{ termp_bold_pre, NULL }, /* Ms */
 	{ termp_igndelim_pre, NULL }, /* No */
@@ -259,6 +256,9 @@ terminal_mdoc(void *arg, const struct mdoc *mdoc)
 
 	p = (struct termp *)arg;
 
+	if (0 == p->defindent)
+		p->defindent = 5;
+
 	p->overstep = 0;
 	p->maxrmargin = p->defrmargin;
 	p->tabwidth = term_len(p, 5);
@@ -458,13 +458,11 @@ static void
 print_mdoc_head(struct termp *p, const void *arg)
 {
 	char		buf[BUFSIZ], title[BUFSIZ];
+	size_t		buflen, titlen;
 	const struct mdoc_meta *m;
 
 	m = (const struct mdoc_meta *)arg;
 
-	p->rmargin = p->maxrmargin;
-	p->offset = 0;
-
 	/*
 	 * The header is strange.  It has three components, which are
 	 * really two with the first duplicated.  It goes like this:
@@ -478,8 +476,12 @@ print_mdoc_head(struct termp *p, const void *arg)
 	 * switches on the manual section.
 	 */
 
+	p->offset = 0;
+	p->rmargin = p->maxrmargin;
+
 	assert(m->vol);
 	strlcpy(buf, m->vol, BUFSIZ);
+	buflen = term_strlen(p, buf);
 
 	if (m->arch) {
 		strlcat(buf, " (", BUFSIZ);
@@ -488,33 +490,38 @@ print_mdoc_head(struct termp *p, const void *arg)
 	}
 
 	snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
+	titlen = term_strlen(p, title);
 
-	p->offset = 0;
-	p->rmargin = (p->maxrmargin - 
-			term_strlen(p, buf) + term_len(p, 1)) / 2;
 	p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
+	p->offset = 0;
+	p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
+	    (p->maxrmargin -
+	     term_strlen(p, buf) + term_len(p, 1)) / 2 :
+	    p->maxrmargin - buflen;
 
 	term_word(p, title);
 	term_flushln(p);
 
-	p->offset = p->rmargin;
-	p->rmargin = p->maxrmargin - term_strlen(p, title);
 	p->flags |= TERMP_NOSPACE;
+	p->offset = p->rmargin;
+	p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
+	    p->maxrmargin - titlen : p->maxrmargin;
 
 	term_word(p, buf);
 	term_flushln(p);
 
-	p->offset = p->rmargin;
-	p->rmargin = p->maxrmargin;
 	p->flags &= ~TERMP_NOBREAK;
-	p->flags |= TERMP_NOSPACE;
+	if (p->rmargin + titlen <= p->maxrmargin) {
+		p->flags |= TERMP_NOSPACE;
+		p->offset = p->rmargin;
+		p->rmargin = p->maxrmargin;
+		term_word(p, title);
+		term_flushln(p);
+	}
 
-	term_word(p, title);
-	term_flushln(p);
-
+	p->flags &= ~TERMP_NOSPACE;
 	p->offset = 0;
 	p->rmargin = p->maxrmargin;
-	p->flags &= ~TERMP_NOSPACE;
 }
 
 
@@ -555,9 +562,9 @@ a2offs(const struct termp *p, const char *v)
 	else if (0 == strcmp(v, "left"))
 		return(0);
 	else if (0 == strcmp(v, "indent"))
-		return(term_len(p, INDENT + 1));
+		return(term_len(p, p->defindent + 1));
 	else if (0 == strcmp(v, "indent-two"))
-		return(term_len(p, (INDENT + 1) * 2));
+		return(term_len(p, (p->defindent + 1) * 2));
 	else if ( ! a2roffsu(v, &su, SCALE_MAX))
 		SCALE_HS_INIT(&su, term_strlen(p, v));
 
@@ -577,6 +584,8 @@ print_bvspace(struct termp *p, 
 {
 	const struct mdoc_node	*nn;
 
+	assert(n);
+
 	term_newln(p);
 
 	if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
@@ -1415,7 +1424,7 @@ termp_sh_pre(DECL_ARGS)
 		term_fontpush(p, TERMFONT_BOLD);
 		break;
 	case (MDOC_BODY):
-		p->offset = term_len(p, INDENT);
+		p->offset = term_len(p, p->defindent);
 		break;
 	default:
 		break;
@@ -1483,7 +1492,7 @@ termp_d1_pre(DECL_ARGS)
 	if (MDOC_BLOCK != n->type)
 		return(1);
 	term_newln(p);
-	p->offset += term_len(p, (INDENT + 1));
+	p->offset += term_len(p, p->defindent + 1);
 	return(1);
 }
 
@@ -1788,7 +1797,7 @@ termp_ss_pre(DECL_ARGS)
 		break;
 	case (MDOC_HEAD):
 		term_fontpush(p, TERMFONT_BOLD);
-		p->offset = term_len(p, HALFINDENT);
+		p->offset = term_len(p, (p->defindent+1)/2);
 		break;
 	default:
 		break;
@@ -1916,6 +1925,8 @@ termp_quote_pre(DECL_ARGS)
 	case (MDOC_Dq):
 		term_word(p, "``");
 		break;
+	case (MDOC_Eo):
+		break;
 	case (MDOC_Po):
 		/* FALLTHROUGH */
 	case (MDOC_Pq):
@@ -1979,6 +1990,8 @@ termp_quote_post(DECL_ARGS)
 		/* FALLTHROUGH */
 	case (MDOC_Dq):
 		term_word(p, "''");
+		break;
+	case (MDOC_Eo):
 		break;
 	case (MDOC_Po):
 		/* FALLTHROUGH */