rem: return false; 
add: return; 
context: function XXXsetSourceFunctionMarks (url){    source = console._sources[url];    scriptArray = console._scripts[url];        if (!source || !scriptArray)    {        dd ("Can't set function marks for " + url);        return false;    }        for (var i = 0; i < scriptArray.length; ++i)    {        /* the only scripts with empty filenames *should* be top level scripts,         * and we don't show function marks for them, because the whole file         * would end up being marked. */        if (scriptArray[i].functionName && scriptArray[i].baseLineNumber > 1)        {            var j = scriptArray[i].baseLineNumber - 1;            var stop = j + scriptArray[i].lineExtent - 1;            if (!source[j] || !source[stop])            {                dd ("Script " + scriptArray[i].functionName + "(" +                    scriptArray[i].baseLineNumber + ", " +                     scriptArray[i].lineExtent + ") does not actually exist in " +                    url + " (" + source.length + " lines.)");            }            else            {                source[j].functionStart = true;                source[stop].functionEnd = true;                for (; j <= stop ; ++j)                    source[j].functionLine = true;            }        }            }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/4055435c53d94709b0c24b6ef66e1ed02166fc32/venkman-debugger.js/buggy/extensions/venkman/resources/content/venkman-debugger.js