In v2.x there was a normalizing step prior to validation with grammar which converted the book code to Upper case using regex.
In 3.x also, we may have to do some similar steps. Also need to handle the cases when grammar completely fails to parse, by sending a error message back.
In v2.x there was a normalizing step prior to validation with grammar which converted the book code to Upper case using regex.
In 3.x also, we may have to do some similar steps. Also need to handle the cases when grammar completely fails to parse, by sending a error message back.