rem: return ev.charCode || ((ev.type == "keypress") ? ev.keyCode : 0); 
add: return ev.charCode || ev.keyCode || 0; 
context:             getCharCode: function(ev) {                return ev.charCode || ((ev.type == "keypress") ? ev.keyCode : 0);            },
meta: 4707	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4707/50c3492c4c3c825dbd3401e134a19ed46799c456/event-debug.js/buggy/www/resources/yui/event/event-debug.js