update elements and fix some bugs

lib/src/prism/plugins/autolinker/prism-autolinker.js

 (function(){
 
-if (!self.Prism) {
+if (
+        typeof self !== 'undefined' && !self.Prism ||
+        typeof global !== 'undefined' && !global.Prism
+) {
         return;
 }
 
 var url = /\b([a-z]{3,7}:\/\/|tel:)[\w\-+%~/.:#=?&]+/,
     email = /\b\S+@[\w.]+[a-z]{2}/,
     linkMd = /\[([^\]]+)]\(([^)]+)\)/,
     
         // Tokens that may contain URLs and emails
     candidates = ['comment', 'url', 'attr-value', 'string'];
 
-for (var language in Prism.languages) {
-        var tokens = Prism.languages[language];
-        
-        Prism.languages.DFS(tokens, function (key, def, type) {
+Prism.hooks.add('before-highlight', function(env) {
+        // Abort if grammar has already been processed
+        if (!env.grammar || env.grammar['url-link']) {
+                return;
+        }
+        Prism.languages.DFS(env.grammar, function (key, def, type) {
                 if (candidates.indexOf(type) > -1 && Prism.util.type(def) !== 'Array') {
                         if (!def.pattern) {
                                 def = this[key] = {
                                         pattern: def
                                 };
                         }
-                        
+
                         def.inside = def.inside || {};
-                        
+
                         if (type == 'comment') {
                                 def.inside['md-link'] = linkMd;
                         }
                         if (type == 'attr-value') {
                                 Prism.languages.insertBefore('inside', 'punctuation', { 'url-link': url }, def);
                         }
                         else {
                                 def.inside['url-link'] = url;
                         }
-                        
+
                         def.inside['email-link'] = email;
                 }
         });
-        
-        tokens['url-link'] = url;
-        tokens['email-link'] = email;
-}
+        env.grammar['url-link'] = url;
+        env.grammar['email-link'] = email;
+});
 
 Prism.hooks.add('wrap', function(env) {
         if (/-link$/.test(env.type)) {
                 env.tag = 'a';
                 
                 var href = env.content;
                 
                 if (env.type == 'email-link' && href.indexOf('mailto:') != 0) {
                         href = 'mailto:' + href;
                 }
                 else if (env.type == 'md-link') {
                         // Markdown
                         var match = env.content.match(linkMd);
                         
                         href = match[2];
                         env.content = match[1];
                 }
                 
                 env.attributes.href = href;
         }
 });
 
-})();
+})();