rem: return contentListener.canHandleContent(contentType, command, windowTarget, desiredContentType); 
add: return contentListener.canHandleContent(contentType, command, desiredContentType); 
context:     canHandleContent: function(contentType, command,                               windowTarget, desiredContentType)    {        var docShell = this.contentWindow.docShell;        var contentListener;        try {            contentListener =                docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor).getInterface(Components.interfaces.nsIURIContentListener);        } catch (ex) {            dump(ex);        }        if (!contentListener) return false;                return contentListener.canHandleContent(contentType, command, windowTarget, desiredContentType);    },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/542d55e554f575d144c84f67c60c2c8d15bb13ae/nsBrowserContentListener.js/clean/suite/browser/nsBrowserContentListener.js