rem: helpExternal.webNavigation.loadURI(target.href, loadFlags, null, null, null); 
add: helpExternal.webNavigation.loadURI(uri, loadFlags, null, null, null); 
context: function contentClick(event) {  // is this a left click on a link?  if (event.shiftKey || event.ctrlKey || event.altKey || event.metaKey || event.button != 0)    return true;  // is this a link?  var target = event.target;  while (!(target instanceof HTMLAnchorElement))    if (!(target = target.parentNode))      return true;  // is this an internal link?  if (target.href.lastIndexOf("chrome:", 0) == 0)    return true;  const loadFlags = Components.interfaces.nsIWebNavigation.LOAD_FLAGS_IS_LINK;  try {    helpExternal.webNavigation.loadURI(target.href, loadFlags, null, null, null);  } catch (e) {}  return false;}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/3b5ea708f231319cba3738e975951643a234d89e/help.js/buggy/extensions/help/resources/content/help.js