gistfile1.txt

function _enable( $container, prefix, page, isClosed ) {
  ...
  // Restricted to links created by editors and thus outside our control
  // T166544 - don't do this for reference links - they will be handled elsewhere
  var $link = $container.find("a:not(.reference a)");
  $link.on("click", function () {
    // the link might be an internal link with a hash.
    // if it is check if we need to reveal any sections.
    if (
      $link.attr("href") !== undefined &&
      $link.attr("href").indexOf("#") > -1
    ) {
      checkHash();
    }
  });
  util.getWindow().on("hashchange", function () {
    checkHash();
  });
}