rem: if (m) 
add: if (m) 
context:     getSourceFileFromSourceLine: function(line, eval_body, context)    {        var m = reURIinComment.exec(line);        if (m)         {            var sourceFile = new FBL.SourceFile(m[1], context);            sourceFile.eval_body = eval_body;         }        return sourceFile;    },
meta: 7450	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7450/8237a6359bebacf3e34f1134ef713c687c8e3edb/debugger.js/buggy/extension/content/firebug/debugger.js