rem: throw 'Error: ' + txt + ', on line ' + lineno; 
add: throw 'Error: ' + txt + ' at ' + yy.env.filename + ':' + lineno; 
context:     error: function(txt, lineno) {        throw 'Error: ' + txt + ', on line ' + lineno;    },
meta: 1103	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1103/941e4ac1644ee0aaa005566b5d6b27696673f84a/scope.js/buggy/src/scope/scope.js