===================================================================
RCS file: /cvs/mandoc/man_html.c,v
retrieving revision 1.172
retrieving revision 1.183
diff -u -p -r1.172 -r1.183
--- mandoc/man_html.c	2019/03/01 10:57:18	1.172
+++ mandoc/man_html.c	2022/07/06 14:34:59	1.183
@@ -1,7 +1,7 @@
-/*	$Id: man_html.c,v 1.172 2019/03/01 10:57:18 schwarze Exp $ */
+/* $Id: man_html.c,v 1.183 2022/07/06 14:34:59 schwarze Exp $ */
 /*
+ * Copyright (c) 2013-2015,2017-2020,2022 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2013-2015, 2017-2019 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
@@ -14,6 +14,8 @@
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * HTML formatter for man(7) used by mandoc(1).
  */
 #include "config.h"
 
@@ -34,7 +36,7 @@
 #include "main.h"
 
 #define	MAN_ARGS	  const struct roff_meta *man, \
-			  const struct roff_node *n, \
+			  struct roff_node *n, \
 			  struct html *h
 
 struct	man_html_act {
@@ -46,6 +48,8 @@ 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);
@@ -119,16 +123,16 @@ 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 != NULL && n->type == ROFFT_COMMENT)
-			print_gen_comment(h, n);
 		t = print_otag(h, TAG_HEAD, "");
 		print_man_head(man, h);
 		print_tagq(h, t);
+		if (n != NULL && n->type == ROFFT_COMMENT)
+			print_gen_comment(h, n);
 		print_otag(h, TAG_BODY, "");
 	}
 
 	man_root_pre(man, h);
-	t = print_otag(h, TAG_DIV, "c", "manual-text");
+	t = print_otag(h, TAG_MAIN, "c", "manual-text");
 	print_man_nodelist(man, n, h);
 	print_tagq(h, t);
 	man_root_post(man, h);
@@ -165,7 +169,12 @@ print_man_node(MAN_ARGS)
 	if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
 		return;
 
-	html_fillmode(h, n->flags & NODE_NOFILL ? ROFF_nf : ROFF_fi);
+	if ((n->flags & NODE_NOFILL) == 0)
+		html_fillmode(h, ROFF_fi);
+	else if (html_fillmode(h, ROFF_nf) == ROFF_nf &&
+	    n->tok != ROFF_fi && n->flags & NODE_LINE &&
+	    (n->prev == NULL || n->prev->tok != MAN_YS))
+		print_endline(h);
 
 	child = 1;
 	switch (n->type) {
@@ -176,7 +185,7 @@ 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;
@@ -201,9 +210,9 @@ 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;
 		}
 
 		/*
@@ -236,54 +245,44 @@ print_man_node(MAN_ARGS)
 	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)
+		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 (n->next == NULL ||
-		    (n->tok == MAN_IP && n->next->tok != MAN_IP) ||
-		    (n->tok != MAN_IP &&
-		     n->next->tok != MAN_TP && n->next->tok != MAN_TQ)) {
+		if (list_continues(n, roff_node_next(n)) == '\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)) {
-		/* In .nf = <pre>, print even empty lines. */
-		h->col++;
-		print_endline(h);
-	}
 }
 
 static void
 man_root_pre(const struct roff_meta *man, struct html *h)
 {
-	struct tag	*t, *tt;
+	struct tag	*t;
 	char		*title;
 
 	assert(man->title);
 	assert(man->msec);
 	mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
 
-	t = print_otag(h, TAG_TABLE, "c", "head");
-	tt = print_otag(h, TAG_TR, "");
+	t = print_otag(h, TAG_DIV, "cr?", "head", "doc-pageheader",
+	    "aria-label", "manual header line");
 
-	print_otag(h, TAG_TD, "c", "head-ltitle");
+	print_otag(h, TAG_SPAN, "c", "head-ltitle");
 	print_text(h, title);
-	print_stagq(h, tt);
+	print_stagq(h, t);
 
-	print_otag(h, TAG_TD, "c", "head-vol");
+	print_otag(h, TAG_SPAN, "c", "head-vol");
 	if (man->vol != NULL)
 		print_text(h, man->vol);
-	print_stagq(h, tt);
+	print_stagq(h, t);
 
-	print_otag(h, TAG_TD, "c", "head-rtitle");
+	print_otag(h, TAG_SPAN, "c", "head-rtitle");
 	print_text(h, title);
 	print_tagq(h, t);
 	free(title);
@@ -292,16 +291,19 @@ man_root_pre(const struct roff_meta *man, struct html 
 static void
 man_root_post(const struct roff_meta *man, struct html *h)
 {
-	struct tag	*t, *tt;
+	struct tag	*t;
 
-	t = print_otag(h, TAG_TABLE, "c", "foot");
-	tt = print_otag(h, TAG_TR, "");
+	t = print_otag(h, TAG_DIV, "cr?", "foot", "doc-pagefooter",
+	    "aria-label", "manual footer line");
 
-	print_otag(h, TAG_TD, "c", "foot-date");
+	print_otag(h, TAG_SPAN, "c", "foot-left");
+	print_stagq(h, t);
+
+	print_otag(h, TAG_SPAN, "c", "foot-date");
 	print_text(h, man->date);
-	print_stagq(h, tt);
+	print_stagq(h, t);
 
-	print_otag(h, TAG_TD, "c", "foot-os");
+	print_otag(h, TAG_SPAN, "c", "foot-os");
 	if (man->os != NULL)
 		print_text(h, man->os);
 	print_tagq(h, t);
@@ -311,14 +313,13 @@ static int
 man_SH_pre(MAN_ARGS)
 {
 	const char	*class;
-	char		*id;
 	enum htmltag	 tag;
 
 	if (n->tok == MAN_SH) {
-		tag = TAG_H1;
+		tag = TAG_H2;
 		class = "Sh";
 	} else {
-		tag = TAG_H2;
+		tag = TAG_H3;
 		class = "Ss";
 	}
 	switch (n->type) {
@@ -327,10 +328,7 @@ man_SH_pre(MAN_ARGS)
 		print_otag(h, TAG_SECTION, "c", class);
 		break;
 	case ROFFT_HEAD:
-		id = html_make_id(n, 1);
-		print_otag(h, tag, "ci", class, id);
-		if (id != NULL)
-			print_otag(h, TAG_A, "chR", "permalink", id);
+		print_otag_id(h, tag, class, n);
 		break;
 	case ROFFT_BODY:
 		break;
@@ -416,34 +414,88 @@ 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;
+	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;
+	list_type = list_continues(roff_node_prev(nn), nn);
+	if (list_type == '\0') {
+		/* Start a new list. */
+		list_type = list_continues(nn, roff_node_next(nn));
+		if (list_type == '\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);
-		/*
-		 * Open a new list unless there is an immediately
-		 * preceding item of the same type.
-		 */
-		if (n->prev == NULL ||
-		    (n->tok == MAN_IP && n->prev->tok != MAN_IP) ||
-		    (n->tok != MAN_IP &&
-		     n->prev->tok != MAN_TP && n->prev->tok != MAN_TQ))
-			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:
-		print_otag(h, TAG_DT, "");
+		if (body_elem == TAG_LI)
+			return 0;
+		print_otag_id(h, TAG_DT, NULL, n);
 		break;
 	case ROFFT_BODY:
-		print_otag(h, TAG_DD, "");
+		print_otag(h, body_elem, "");
 		return 1;
 	default:
 		abort();
 	}
-
 	switch(n->tok) {
 	case MAN_IP:  /* Only print the first header element. */
 		if (n->child != NULL)