The attribute list, and the interior list of values have grammars: ``` attribute-list: attribute attribute-list , attribute attribute-values attribute-value attribute-values , attribute-value ``` Both of which imply that the lists may not end in a comma. We wish to allow non-empty lists to end in a comma in both cases.
The attribute list, and the interior list of values have grammars:
Both of which imply that the lists may not end in a comma. We wish to allow non-empty lists to end in a comma in both cases.