[xwiki-notifications] [jira@xwiki.org][Issue] (CONFLUENCE-205) Allow specifying a group format and cleaning group names

Attachments:

• attachment.html (text/html — 13.3 KB)
• attachment.png (image/png — 1.1 KB)
• attachment.png (image/png — 294 bytes)
• attachment.png (image/png — 746 bytes)