pdc.wikipedia.org rev-del on a deleted article history "Joe Alaskey"
There should not the a "+" on spaces.
Hmm this might be my regression.
Change 272304 had a related patch set uploaded (by LFaraone):
Use URL-encoded titles when RDing from S:Undelete
Change 272304 merged by jenkins-bot:
Don't URL encode titles when revdeling from Special:Undelete