update html highlight rules

lib/ace/mode/html_highlight_rules.js

@@ -46,7 +46,6 @@ var HtmlHighlightRules = function() {
 
     // regexp must not have capturing parentheses
     // regexps are ordered -> the first match is used
-
     function string(state) {
         return [
             {
@@ -81,6 +80,36 @@ var HtmlHighlightRules = function() {
         }]
     }
     
+    function tag(states, name, nextState) {
+        states[name] = [{
+            token : "text",
+            regex : "\\s+"
+        }, {
+            token : "meta.tag",
+            regex : "[-_a-zA-Z0-9:]+",
+            next : name + "-attribute-list" 
+        }, {
+            token: "empty",
+            regex: "",
+            next : name + "-attribute-list"
+        }];
+
+        states[name + "-attribute-list"] = [{
+            token : "text",
+            regex : ">",
+            next : nextState
+        }, {
+            token : "entity.other.attribute-name",
+            regex : "[-_a-zA-Z0-9:]+"
+        }, {
+            token : "constant.numeric", // float
+            regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?\\b"
+        }, {
+            token : "text",
+            regex : "\\s+"
+        }].concat(string("attribute-list"));
+    };
+
     this.$rules = {
         start : [ {
             token : "text",
@@ -115,42 +144,6 @@ var HtmlHighlightRules = function() {
             regex : "[^<]+"
         } ],
 
-        script : [ {
-            token : "text",
-            regex : ">",
-            next : "js-start"
-        }, {
-            token : "keyword",
-            regex : "[-_a-zA-Z0-9:]+"
-        }, {
-            token : "text",
-            regex : "\\s+"
-        }].concat(string("script")),
-
-        css : [ {
-            token : "text",
-            regex : ">",
-            next : "css-start"
-        }, {
-            token : "keyword",
-            regex : "[-_a-zA-Z0-9:]+"
-        }, {
-            token : "text",
-            regex : "\\s+"
-        }].concat(string("style")),
-
-        tag : [ {
-            token : "text",
-            regex : ">",
-            next : "start"
-        }, {
-            token : "keyword",
-            regex : "[-_a-zA-Z0-9:]+"
-        }, {
-            token : "text",
-            regex : "\\s+"
-        }].concat(string("tag")),
-        
         "style-qstring": multiLineString("'", "style"),
         "style-qqstring": multiLineString('"', "style"),
         "script-qstring": multiLineString("'", "script"),
@@ -183,6 +176,10 @@ var HtmlHighlightRules = function() {
         } ]
     };
     
+    tag(this.$rules, "tag", "start");
+    tag(this.$rules, "css", "css-start");
+    tag(this.$rules, "script", "js-start");
+    
     this.embedRules(JavaScriptHighlightRules, "js-", [{
         token: "comment",
         regex: "\\/\\/.*(?=<\\/script>)",