return original string when highlight is called without query; lazy format annotation date

source/Ox/js/HTML.js

@@ -254,6 +254,9 @@
         '<span class="c">foo <br>bar</span> baz'
     @*/
     Ox.highlight = function(string, query, classname, isHTML) {
+        if (!query) {
+            return string;
+        }
         var cursor = 0,
             entities = [],
             matches = [],