context:     onBeforePut: function(aChannel) {        if (this.mEtag) {            var httpchannel = aChannel.QueryInterface(Components.interfaces.nsIHttpChannel);            httpchannel.setRequestHeader("If", '(['+this.mEtag+'])', false);        }        return true;    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/0defd389125b4b1ab8c53a084d478f9dd695fe02/calICSCalendar.js/buggy/calendar/providers/ics/calICSCalendar.js