rem: Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT_OR_DATA); 
add: Ci.nsIScriptSecurityManager.DISALLOW_INHERIT_PRINCIPAL); 
context:   subscribeToFeed: function(href, event) {    // Just load the feed in the content area to either subscribe or show the    // preview UI    if (!href)      href = event.target.getAttribute("feed");    urlSecurityCheck(href, gBrowser.contentPrincipal,                     Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT_OR_DATA);    var feedURI = makeURI(href, document.characterSet);    // Use the feed scheme so X-Moz-Is-Feed will be set    // The value doesn't matter    if (/^https?/.test(feedURI.scheme))      href = "feed:" + href;    this.loadFeed(href, event);  },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/39082900d89986ea0db1ab269337607fc65977aa/browser.js/clean/browser/base/content/browser.js