Subject: bug#41441: 26.3; mhtml misbehaving font-lock extend region can cause Emacs to hang

From: Tom Tromey <[email-masked]>
Date: Thu, 28 May 2020 10:14:26 -0600

Dmitry> What if we just remove mhtml--extend-font-lock-region? Can anyone
Dmitry> describe a scenario that would become broken?

Not offhand.  Some manual testing and/or looking through the archived
bugs (or maybe mailing list archives) would be needed.

Tom