rem: m.addEventListener("command", function() { loadOneOrMoreURIs(urls.join("|")); }, false); 
add: m.addEventListener("command", function() { for (var i = 0; i < keys.length; i++) undoCloseTab(); }, false); 
context:   m.addEventListener("command", function() { loadOneOrMoreURIs(urls.join("|")); }, false);
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/1be77a73464f203f8c629a4819341f7a3fffbc03/browser.js/buggy/browser/base/content/browser.js