===================================================================
RCS file: /cvs/mandoc/man_html.c,v
retrieving revision 1.167
retrieving revision 1.175
diff -u -p -r1.167 -r1.175
--- mandoc/man_html.c	2019/01/07 07:26:29	1.167
+++ mandoc/man_html.c	2020/02/12 21:15:53	1.175
@@ -1,7 +1,7 @@
-/*	$Id: man_html.c,v 1.167 2019/01/07 07:26:29 schwarze Exp $ */
+/*	$Id: man_html.c,v 1.175 2020/02/12 21:15:53 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2013-2015, 2017-2019 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2013-2015, 2017-2020 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
@@ -46,6 +46,8 @@ static	void		  print_man_head(const struct roff_meta *
 				struct html *);
 static	void		  print_man_nodelist(MAN_ARGS);
 static	void		  print_man_node(MAN_ARGS);
+static	char		  list_continues(const struct roff_node *,
+				const struct roff_node *);
 static	int		  man_B_pre(MAN_ARGS);
 static	int		  man_IP_pre(MAN_ARGS);
 static	int		  man_I_pre(MAN_ARGS);
@@ -119,7 +121,7 @@ html_man(void *arg, const struct roff_meta *man)
 	if ((h->oflags & HTML_FRAGMENT) == 0) {
 		print_gen_decls(h);
 		print_otag(h, TAG_HTML, "");
-		if (n->type == ROFFT_COMMENT)
+		if (n != NULL && n->type == ROFFT_COMMENT)
 			print_gen_comment(h, n);
 		t = print_otag(h, TAG_HEAD, "");
 		print_man_head(man, h);
@@ -168,10 +170,6 @@ print_man_node(MAN_ARGS)
 	html_fillmode(h, n->flags & NODE_NOFILL ? ROFF_nf : ROFF_fi);
 
 	child = 1;
-	t = h->tag;
-	if (t->tag == TAG_P || t->tag == TAG_PRE)
-		t = t->next;
-
 	switch (n->type) {
 	case ROFFT_TEXT:
 		if (*n->string == '\0') {
@@ -180,12 +178,16 @@ print_man_node(MAN_ARGS)
 		}
 		if (*n->string == ' ' && n->flags & NODE_LINE &&
 		    (h->flags & HTML_NONEWLINE) == 0)
-			print_endline(h);
+			print_otag(h, TAG_BR, "");
 		else if (n->flags & NODE_DELIMC)
 			h->flags |= HTML_NOSPACE;
+		t = h->tag;
+		t->refcnt++;
 		print_text(h, n->string);
 		break;
 	case ROFFT_EQN:
+		t = h->tag;
+		t->refcnt++;
 		print_eqn(h, n->eqn);
 		break;
 	case ROFFT_TBL:
@@ -201,9 +203,9 @@ print_man_node(MAN_ARGS)
 		 * Close out scope of font prior to opening a macro
 		 * scope.
 		 */
-		if (HTMLFONT_NONE != h->metac) {
+		if (h->metac != ESCAPE_FONTROMAN) {
 			h->metal = h->metac;
-			h->metac = HTMLFONT_NONE;
+			h->metac = ESCAPE_FONTROMAN;
 		}
 
 		/*
@@ -211,12 +213,13 @@ print_man_node(MAN_ARGS)
 		 * the "meta" table state.  This will be reopened on the
 		 * next table element.
 		 */
-		if (h->tblt != NULL) {
+		if (h->tblt != NULL)
 			print_tblclose(h);
-			t = h->tag;
-		}
+		t = h->tag;
+		t->refcnt++;
 		if (n->tok < ROFF_MAX) {
 			roff_html_pre(h, n);
+			t->refcnt--;
 			print_stagq(h, t);
 			return;
 		}
@@ -231,7 +234,23 @@ print_man_node(MAN_ARGS)
 		print_man_nodelist(man, n->child, h);
 
 	/* This will automatically close out any font scope. */
-	print_stagq(h, t);
+	t->refcnt--;
+	if (n->type == ROFFT_BLOCK &&
+	    (n->tok == MAN_IP || n->tok == MAN_TP || n->tok == MAN_TQ)) {
+		t = h->tag;
+		while (t->tag != TAG_DL && t->tag != TAG_UL)
+			t = t->next;
+		/*
+		 * Close the list if no further item of the same type
+		 * follows; otherwise, close the item only.
+		 */
+		if (list_continues(n, n->next) == '\0') {
+			print_tagq(h, t);
+			t = NULL;
+		}
+	}
+	if (t != NULL)
+		print_stagq(h, t);
 
 	if (n->flags & NODE_NOFILL && n->tok != MAN_YS &&
 	    (n->next != NULL && n->next->flags & NODE_LINE)) {
@@ -290,18 +309,25 @@ man_root_post(const struct roff_meta *man, struct html
 static int
 man_SH_pre(MAN_ARGS)
 {
-	char	*id;
+	const char	*class;
+	char		*id;
+	enum htmltag	 tag;
 
+	if (n->tok == MAN_SH) {
+		tag = TAG_H1;
+		class = "Sh";
+	} else {
+		tag = TAG_H2;
+		class = "Ss";
+	}
 	switch (n->type) {
 	case ROFFT_BLOCK:
 		html_close_paragraph(h);
+		print_otag(h, TAG_SECTION, "c", class);
 		break;
 	case ROFFT_HEAD:
 		id = html_make_id(n, 1);
-		if (n->tok == MAN_SH)
-			print_otag(h, TAG_H1, "cTi", "Sh", id);
-		else
-			print_otag(h, TAG_H2, "cTi", "Ss", id);
+		print_otag(h, tag, "ci", class, id);
 		if (id != NULL)
 			print_otag(h, TAG_A, "chR", "permalink", id);
 		break;
@@ -389,21 +415,82 @@ man_PP_pre(MAN_ARGS)
 	return 1;
 }
 
+static char
+list_continues(const struct roff_node *n1, const struct roff_node *n2)
+{
+	const char *s1, *s2;
+	char c1, c2;
+
+	if (n1 == NULL || n1->type != ROFFT_BLOCK ||
+	    n2 == NULL || n2->type != ROFFT_BLOCK)
+		return '\0';
+	if ((n1->tok == MAN_TP || n1->tok == MAN_TQ) &&
+	    (n2->tok == MAN_TP || n2->tok == MAN_TQ))
+		return ' ';
+	if (n1->tok != MAN_IP || n2->tok != MAN_IP)
+		return '\0';
+	n1 = n1->head->child;
+	n2 = n2->head->child;
+	s1 = n1 == NULL ? "" : n1->string;
+	s2 = n2 == NULL ? "" : n2->string;
+	c1 = strcmp(s1, "*") == 0 ? '*' :
+	     strcmp(s1, "\\-") == 0 ? '-' :
+	     strcmp(s1, "\\(bu") == 0 ? 'b' : ' ';
+	c2 = strcmp(s2, "*") == 0 ? '*' :
+	     strcmp(s2, "\\-") == 0 ? '-' :
+	     strcmp(s2, "\\(bu") == 0 ? 'b' : ' ';
+	return c1 != c2 ? '\0' : c1 == 'b' ? '*' : c1;
+}
+
 static int
 man_IP_pre(MAN_ARGS)
 {
 	const struct roff_node	*nn;
+	const char		*list_class;
+	enum htmltag		 list_elem, body_elem;
+	char			 list_type;
 
+	nn = n->type == ROFFT_BLOCK ? n : n->parent;
+	if ((list_type = list_continues(nn->prev, nn)) == '\0') {
+		/* Start a new list. */
+		if ((list_type = list_continues(nn, nn->next)) == '\0')
+			list_type = ' ';
+		switch (list_type) {
+		case ' ':
+			list_class = "Bl-tag";
+			list_elem = TAG_DL;
+			break;
+		case '*':
+			list_class = "Bl-bullet";
+			list_elem = TAG_UL;
+			break;
+		case '-':
+			list_class = "Bl-dash";
+			list_elem = TAG_UL;
+			break;
+		default:
+			abort();
+		}
+	} else {
+		/* Continue a list that was started earlier. */
+		list_class = NULL;
+		list_elem = TAG_MAX;
+	}
+	body_elem = list_type == ' ' ? TAG_DD : TAG_LI;
+
 	switch (n->type) {
 	case ROFFT_BLOCK:
 		html_close_paragraph(h);
-		print_otag(h, TAG_DL, "c", "Bl-tag");
+		if (list_elem != TAG_MAX)
+			print_otag(h, list_elem, "c", list_class);
 		return 1;
 	case ROFFT_HEAD:
+		if (body_elem == TAG_LI)
+			return 0;
 		print_otag(h, TAG_DT, "");
 		break;
 	case ROFFT_BODY:
-		print_otag(h, TAG_DD, "");
+		print_otag(h, body_elem, "");
 		return 1;
 	default:
 		abort();
@@ -513,7 +600,7 @@ man_SY_pre(MAN_ARGS)
 		break;
 	case ROFFT_HEAD:
 		print_otag(h, TAG_TD, "");
-		print_otag(h, TAG_CODE, "cT", "Nm");
+		print_otag(h, TAG_CODE, "c", "Nm");
 		break;
 	case ROFFT_BODY:
 		print_otag(h, TAG_TD, "");
@@ -535,10 +622,10 @@ man_UR_pre(MAN_ARGS)
 		assert(n->child->type == ROFFT_TEXT);
 		if (n->tok == MAN_MT) {
 			mandoc_asprintf(&cp, "mailto:%s", n->child->string);
-			print_otag(h, TAG_A, "cTh", "Mt", cp);
+			print_otag(h, TAG_A, "ch", "Mt", cp);
 			free(cp);
 		} else
-			print_otag(h, TAG_A, "cTh", "Lk", n->child->string);
+			print_otag(h, TAG_A, "ch", "Lk", n->child->string);
 	}
 
 	assert(n->next->type == ROFFT_BODY);