update elements and fix some bugs

lib/src/prism/components/prism-markup.js

Index: lib/src/prism/components/prism-markup.js
diff --git a/lib/src/prism/components/prism-markup.js b/lib/src/prism/components/prism-markup.js
index f3abdf28b50f15bc068a10c52b375de2a81ec0cf..06f24c2f6b12a486fa6e4309b2dc7cdcbe803ec3 100644
--- a/lib/src/prism/components/prism-markup.js
+++ b/lib/src/prism/components/prism-markup.js
@@ -4,7 +4,7 @@ Prism.languages.markup = {
 	'doctype': /<!DOCTYPE[\w\W]+?>/,
 	'cdata': /<!\[CDATA\[[\w\W]*?]]>/i,
 	'tag': {
-		pattern: /<\/?[^\s>\/]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\\1|\\?(?!\1)[\w\W])*\1|[^\s'">=]+))?)*\s*\/?>/i,
+		pattern: /<\/?[^\s>\/=.]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\\1|\\?(?!\1)[\w\W])*\1|[^\s'">=]+))?)*\s*\/?>/i,
 		inside: {
 			'tag': {
 				pattern: /^<\/?[^\s>\/]+/i,
@@ -39,3 +39,8 @@ Prism.hooks.add('wrap', function(env) {
 		env.attributes['title'] = env.content.replace(/&amp;/, '&');
 	}
 });
+
+Prism.languages.xml = Prism.languages.markup;
+Prism.languages.html = Prism.languages.markup;
+Prism.languages.mathml = Prism.languages.markup;
+Prism.languages.svg = Prism.languages.markup;