Okay, thanks, everybody. I made a small page at
http://members.cox.net/travisgevans/ti-calc/undelete.html and posted a preliminary copy of Undelete v0.01.00 on it. It's preliminary because I haven't yet tested it as much as usual, so be careful and back up your calc first. It's a small update consisting of mainly UI improvements that probably aren't very noticeable unless you know what to look for. The included change log lists all the details.

This new page should now be used instead of the temporary link that Lionel posted earlier.