===================================================================
RCS file: /cvs/mandoc/html.c,v
retrieving revision 1.250
retrieving revision 1.254
diff -u -p -r1.250 -r1.254
--- mandoc/html.c	2019/01/07 07:26:29	1.250
+++ mandoc/html.c	2019/03/03 13:02:11	1.254
@@ -1,4 +1,4 @@
-/*	$Id: html.c,v 1.250 2019/01/07 07:26:29 schwarze Exp $ */
+/*	$Id: html.c,v 1.254 2019/03/03 13:02:11 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2011-2015, 2017-2019 Ingo Schwarze <schwarze@openbsd.org>
@@ -63,6 +63,7 @@ static	const struct htmldata htmltags[TAG_MAX] = {
 	{"title",	HTML_NLAROUND},
 	{"div",		HTML_NLAROUND},
 	{"div",		0},
+	{"section",	HTML_NLALL},
 	{"h1",		HTML_NLAROUND},
 	{"h2",		HTML_NLAROUND},
 	{"span",	0},
@@ -109,6 +110,7 @@ static	const struct htmldata htmltags[TAG_MAX] = {
 /* Avoid duplicate HTML id= attributes. */
 static	struct ohash	 id_unique;
 
+static	void	 html_reset_internal(struct html *);
 static	void	 print_byte(struct html *, char);
 static	void	 print_endword(struct html *);
 static	void	 print_indent(struct html *);
@@ -144,21 +146,17 @@ html_alloc(const struct manoutput *outopts)
 	return h;
 }
 
-void
-html_free(void *p)
+static void
+html_reset_internal(struct html *h)
 {
 	struct tag	*tag;
-	struct html	*h;
 	char		*cp;
 	unsigned int	 slot;
 
-	h = (struct html *)p;
 	while ((tag = h->tag) != NULL) {
 		h->tag = tag->next;
 		free(tag);
 	}
-	free(h);
-
 	cp = ohash_first(&id_unique, &slot);
 	while (cp != NULL) {
 		free(cp);
@@ -168,6 +166,20 @@ html_free(void *p)
 }
 
 void
+html_reset(void *p)
+{
+	html_reset_internal(p);
+	mandoc_ohash_init(&id_unique, 4, 0);
+}
+
+void
+html_free(void *p)
+{
+	html_reset_internal(p);
+	free(p);
+}
+
+void
 print_gen_head(struct html *h)
 {
 	struct tag	*t;
@@ -271,11 +283,19 @@ html_close_paragraph(struct html *h)
 {
 	struct tag	*t;
 
-	for (t = h->tag; t != NULL; t = t->next) {
-		if (t->tag == TAG_P || t->tag == TAG_PRE) {
+	for (t = h->tag; t != NULL && t->closed == 0; t = t->next) {
+		switch(t->tag) {
+		case TAG_P:
+		case TAG_PRE:
 			print_tagq(h, t);
 			break;
+		case TAG_A:
+			print_tagq(h, t);
+			continue;
+		default:
+			continue;
 		}
+		break;
 	}
 }
 
@@ -579,6 +599,8 @@ print_otag(struct html *h, enum htmltag tag, const cha
 		t = mandoc_malloc(sizeof(struct tag));
 		t->tag = tag;
 		t->next = h->tag;
+		t->refcnt = 0;
+		t->closed = 0;
 		h->tag = t;
 	} else
 		t = NULL;
@@ -657,12 +679,6 @@ print_otag(struct html *h, enum htmltag tag, const cha
 			print_encode(h, arg1, NULL, 1);
 			fmt++;
 			break;
-		case 'T':
-			print_encode(h, arg1, NULL, 1);
-			print_word(h, "\" title=\"");
-			print_encode(h, arg1, NULL, 1);
-			fmt++;
-			break;
 		default:
 			print_encode(h, arg1, NULL, 1);
 			break;
@@ -717,33 +733,32 @@ print_ctag(struct html *h, struct tag *tag)
 {
 	int	 tflags;
 
-	/*
-	 * Remember to close out and nullify the current
-	 * meta-font and table, if applicable.
-	 */
-	if (tag == h->metaf)
-		h->metaf = NULL;
-	if (tag == h->tblt)
-		h->tblt = NULL;
+	if (tag->closed == 0) {
+		tag->closed = 1;
+		if (tag == h->metaf)
+			h->metaf = NULL;
+		if (tag == h->tblt)
+			h->tblt = NULL;
 
-	tflags = htmltags[tag->tag].flags;
-
-	if (tflags & HTML_INDENT)
-		h->indent--;
-	if (tflags & HTML_NOINDENT)
-		h->noindent--;
-	if (tflags & HTML_NLEND)
-		print_endline(h);
-	print_indent(h);
-	print_byte(h, '<');
-	print_byte(h, '/');
-	print_word(h, htmltags[tag->tag].name);
-	print_byte(h, '>');
-	if (tflags & HTML_NLAFTER)
-		print_endline(h);
-
-	h->tag = tag->next;
-	free(tag);
+		tflags = htmltags[tag->tag].flags;
+		if (tflags & HTML_INDENT)
+			h->indent--;
+		if (tflags & HTML_NOINDENT)
+			h->noindent--;
+		if (tflags & HTML_NLEND)
+			print_endline(h);
+		print_indent(h);
+		print_byte(h, '<');
+		print_byte(h, '/');
+		print_word(h, htmltags[tag->tag].name);
+		print_byte(h, '>');
+		if (tflags & HTML_NLAFTER)
+			print_endline(h);
+	}
+	if (tag->refcnt == 0) {
+		h->tag = tag->next;
+		free(tag);
+	}
 }
 
 void
@@ -830,12 +845,11 @@ print_text(struct html *h, const char *word)
 void
 print_tagq(struct html *h, const struct tag *until)
 {
-	struct tag	*tag;
+	struct tag	*this, *next;
 
-	while ((tag = h->tag) != NULL) {
-		print_ctag(h, tag);
-		if (tag == until)
-			return;
+	for (this = h->tag; this != NULL; this = next) {
+		next = this == until ? NULL : this->next;
+		print_ctag(h, this);
 	}
 }
 
@@ -847,14 +861,14 @@ print_tagq(struct html *h, const struct tag *until)
 void
 print_stagq(struct html *h, const struct tag *suntil)
 {
-	struct tag	*tag;
+	struct tag	*this, *next;
 
-	while ((tag = h->tag) != NULL) {
-		if (tag == suntil ||
-		    (tag->next == suntil &&
-		     (tag->tag == TAG_P || tag->tag == TAG_PRE)))
-			return;
-		print_ctag(h, tag);
+	for (this = h->tag; this != NULL; this = next) {
+		next = this->next;
+		if (this == suntil || (next == suntil &&
+		    (this->tag == TAG_P || this->tag == TAG_PRE)))
+			break;
+		print_ctag(h, this);
 	}
 }