function h(b, D, y) {
      var k = new XMLHttpRequest();
      k.open("GET", b, !0), k.onreadystatechange = function() {
        k.readyState == 4 && (k.status < 400 && k.responseText ? D(k.responseText) : k.status >= 400 ? y(a(k.status, k.statusText)) : y(i));
      }, k.send(null);
    }
Executes the File Highlight plugin for all matching `pre` elements under the given container.

Note: Elements which are already loaded or currently loading will not be touched by this method.

@param {ParentNode} [container=document]