I found an XSD on GitHub and forked it to add an element that was missing. I'm not sure if the original developer still maintains the XSD but it seems to work. I'll continue to maintain my fork.

https://github.com/nickcaballero/logback-XSD
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators.
For more information on JIRA, see: http://www.atlassian.com/software/jira