[xwiki-notifications] [jira@xwiki.org][Issue] (XWIKI-21579) Invalid lang HTML Tag when "German (Germany)" locale is set

Attachments:

• attachment.html (text/html — 12.2 KB)
• attachment.png (image/png — 3.2 KB)
• attachment.png (image/png — 1.1 KB)
• attachment.png (image/png — 341 bytes)