* curLexState : lexical state in which this error occured
* errorLine : line number when the error occured
* errorColumn : column number when the error occured
- * errorAfter : functionName that was seen before this error occured
+ * errorAfter : prefix that was seen before this error occured
* curchar : the offending character
* Note: You can customize the lexical error message by modifying this method.
*/