===================================================================
RCS file: /cvs/mandoc/html.c,v
retrieving revision 1.171
retrieving revision 1.177
diff -u -p -r1.171 -r1.177
--- mandoc/html.c	2014/09/27 10:56:18	1.171
+++ mandoc/html.c	2014/10/26 17:12:03	1.177
@@ -1,6 +1,6 @@
-/*	$Id: html.c,v 1.171 2014/09/27 10:56:18 kristaps Exp $ */
+/*	$Id: html.c,v 1.177 2014/10/26 17:12:03 schwarze Exp $ */
 /*
- * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
@@ -74,6 +74,22 @@ static	const struct htmldata htmltags[TAG_MAX] = {
 	{"code",	0 }, /* TAG_CODE */
 	{"small",	0 }, /* TAG_SMALL */
 	{"style",	HTML_CLRLINE}, /* TAG_STYLE */
+	{"math",	HTML_CLRLINE}, /* TAG_MATH */
+	{"mrow",	0}, /* TAG_MROW */
+	{"mi",		0}, /* TAG_MI */
+	{"mo",		0}, /* TAG_MO */
+	{"msup",	0}, /* TAG_MSUP */
+	{"msub",	0}, /* TAG_MSUB */
+	{"msubsup",	0}, /* TAG_MSUBSUP */
+	{"mfrac",	0}, /* TAG_MFRAC */
+	{"msqrt",	0}, /* TAG_MSQRT */
+	{"mfenced",	0}, /* TAG_MFENCED */
+	{"mtable",	0}, /* TAG_MTABLE */
+	{"mtr",		0}, /* TAG_MTR */
+	{"mtd",		0}, /* TAG_MTD */
+	{"munderover",	0}, /* TAG_MUNDEROVER */
+	{"munder",	0}, /* TAG_MUNDER*/
+	{"mover",	0}, /* TAG_MOVER*/
 };
 
 static	const char	*const htmlattrs[ATTR_MAX] = {
@@ -87,6 +103,9 @@ static	const char	*const htmlattrs[ATTR_MAX] = {
 	"id", /* ATTR_ID */
 	"colspan", /* ATTR_COLSPAN */
 	"charset", /* ATTR_CHARSET */
+	"open", /* ATTR_OPEN */
+	"close", /* ATTR_CLOSE */
+	"mathvariant", /* ATTR_MATHVARIANT */
 };
 
 static	const char	*const roffscales[SCALE_MAX] = {
@@ -108,11 +127,11 @@ static	int	 print_escape(char);
 static	int	 print_encode(struct html *, const char *, int);
 static	void	 print_metaf(struct html *, enum mandoc_esc);
 static	void	 print_attr(struct html *, const char *, const char *);
-static	void	 *ml_alloc(char *, enum htmltype);
+static	void	 *ml_alloc(char *);
 
 
 static void *
-ml_alloc(char *outopts, enum htmltype type)
+ml_alloc(char *outopts)
 {
 	struct html	*h;
 	const char	*toks[5];
@@ -126,7 +145,6 @@ ml_alloc(char *outopts, enum htmltype type)
 
 	h = mandoc_calloc(1, sizeof(struct html));
 
-	h->type = type;
 	h->tags.head = NULL;
 	h->symtab = mchars_alloc();
 
@@ -155,14 +173,14 @@ void *
 html_alloc(char *outopts)
 {
 
-	return(ml_alloc(outopts, HTML_HTML_4_01_STRICT));
+	return(ml_alloc(outopts));
 }
 
 void *
 xhtml_alloc(char *outopts)
 {
 
-	return(ml_alloc(outopts, HTML_XHTML_1_0_STRICT));
+	return(ml_alloc(outopts));
 }
 
 void
@@ -419,8 +437,18 @@ print_encode(struct html *h, const char *p, int norecu
 		case ESCAPE_UNICODE:
 			/* Skip past "u" header. */
 			c = mchars_num2uc(seq + 1, len - 1);
-			if ('\0' != c)
-				printf("&#x%x;", c);
+
+			/*
+			 * XXX Security warning:
+			 * For now, forbid Unicode obfuscation of ASCII
+			 * characters.  An audit of the callers is
+			 * required before this can be removed.
+			 */
+
+			if (c < 0x80)
+				c = 0xFFFD;
+
+			printf("&#x%x;", c);
 			break;
 		case ESCAPE_NUMBERED:
 			c = mchars_num2char(seq, len);
@@ -494,16 +522,10 @@ print_otag(struct html *h, enum htmltag tag,
 	for (i = 0; i < sz; i++)
 		print_attr(h, htmlattrs[p[i].key], p[i].val);
 
-	/* Accommodate for XML "well-formed" singleton escaping. */
+	/* Accommodate for "well-formed" singleton escaping. */
 
 	if (HTML_AUTOCLOSE & htmltags[tag].flags)
-		switch (h->type) {
-		case HTML_XHTML_1_0_STRICT:
-			putchar('/');
-			break;
-		default:
-			break;
-		}
+		putchar('/');
 
 	putchar('>');