rem: return lineNo - this.evalLineNumber + 1; 
add: return lineNo - this.offsetInEvalBuffer + 1; 
context:         scriptInfo.unshiftFromSourceBufferToScriptNumbering = function(lineNo)        {            return lineNo - this.evalLineNumber + 1;        }
meta: 7450	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7450/657c1059e813834f821277cbe0ed6b432bead8b9/firebug-service.js/buggy/extension/components/firebug-service.js