Subject: bug#48011: 27.2; Emacs freezes in modula 2 mode when entering a :

From: Stefan Monnier <[email-masked]>
Date: Tue, 25 May 2021 10:47:58 -0400

>> What kind of file was that `.mod` file?
> Why is this important?

Because maybe we should change the auto-mode-alist rule not to use
`modula2-mode` for `.mod` files.

> Even if the file is not actually a Modula-2 file,
> Emacs should not freeze when the user types ":":

No doubt.  And AFAIK this has now been fixed.

But even if `modula2-mode` doesn't freeze, using it for non-Modula-2
files is not necessarily a good idea ;-)

        Stefan