rem: var t = browser.addTab(url); 
add: var t = browser.addTab(url, referrer); 
context: function openNewTabWith(url) {  urlSecurityCheck(url, document);  var wintype = document.firstChild.getAttribute('windowtype');  if (window && (wintype == "navigator:browser")) {    var browser = getBrowser();    var t = browser.addTab(url); // open link in new tab    if (pref && !pref.getBoolPref("browser.tabs.loadInBackground"))      browser.selectedTab = t;  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/224730fe273bfbc3d7602cd2a7bf9780234c23dc/contentAreaUtils.js/clean/xpfe/communicator/resources/content/contentAreaUtils.js