url = denormalizeURL(url);  
    enableBreakpoint: function(url, lineNo)    {        url = denormalizeURL(url);        var bp = this.findBreakpoint(url, lineNo);        if (bp && bp.type & BP_NORMAL)        {            bp.disabled &= ~BP_NORMAL;            dispatch(debuggers, "onToggleBreakpoint", [url, lineNo, true, getBreakpointProperties(bp)]);            --disabledCount;        }    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/76449ef4d8385610e64112c53410246cfda12c62/firebug-service.js/buggy/extension/components/firebug-service.js