Subject: Re: bug#44581: 28.0.50; undo comment-region error

From: Mattias Engdegård <[email-masked]>
Date: Wed, 11 Nov 2020 19:43:28 +0100

This bug appears to be a consequence of eb0d10d567a. Alan, can you take a look?
The error does not appear if comment-combine-change-calls is set to nil.