[xwiki-notifications] [jira@xwiki.org][Issue] (XCOMMONS-2551) mvn xar:format does not warn about missing <content> tag for attachments

Attachments:

• attachment.html (text/html — 12.7 KB)
• attachment.png (image/png — 1.1 KB)
• attachment.png (image/png — 746 bytes)
• attachment.png (image/png — 341 bytes)