``` Null values grouping and add sEmptyGroupLabel; mDataProp -> mData; ``` Original issue reported on code.google.com by `gira...@gmail.com` on 14 Mar 2015 at 3:21 Attachments: - [jquery.dataTables.rowGrouping.js.patch](https://storage.googleapis.com/google-code-attachments/jquery-datatables-row-grouping/issue-91/comment-0/jquery.dataTables.rowGrouping.js.patch)