Just in case you wondered, as I did edit

Q: Why does this page's name end with a Cyrillic letter?
A: It seems to be, to save space in the edit summaries, and because it was more readable than a quote (").
See MediaWiki_talk:Undo-summary#Link_to_redirect_page_.22WP:UNDO.22 (or, of course, discuss it here) 「ѕʀʟ·」 07:27, 23 October 2008 (UTC)Reply
For the record: