add: return stopEvent(evt); 
context:     function markEvent(evt) {    // event handler adding a new mark        unregisterEvent("mousedown", elemScaler, markEvent);        addMark(evt);        if ( defined(reload) && !reload ) {            // don't redisplay            renderMarks();            return;            }        display();        }
meta: 7747	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/7747/5927e0031d63b488f9d4630e16e2cc2c628c42e2/dllib.js/clean/client/digitallibrary/greyskin/dllib.js