Backup files (was: Ticket accidentally deleted #11395)

Originally created by @emmapeel on #12506 (Redmine)

I have accidentally deleted ticket 11395 on 04/21/2017 around 10:15:33 AM

intrigeri said it should be recovered it from backups (and some notes about how
it was done will help next time this happens).

Edited May 15, 2020 by emmapeel

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