             return false;
         }
         return matcher.match(nextTag.toLowerCase());
-    }
-
-    public function isAttrOptionalTag(tagName:String):Boolean
-    {
-        return attrOptionalTags.contains(tagName.toLowerCase());
     }
 
     public function isTextEntity(query:String):Boolean

        attrOptionalTags.addIterable(phrase);
    }


    private static var _instance:HTMLReference;
    public static function get instance():HTMLReference

        block.addIterable(heading);
        block.addIterable(list);

        inline = Set.union(fontstyle, phrase);
        inline.addIterable(special);
        inline.addIterable(formctrl);

