bug#60559: 29.0.60; "Cannot activate tree-sitter" spam

[Eli Zaretskii]

> From: Ihor Radchenko <yantar92@posteo.net>
> Cc: casouri@gmail.com, monnier@iro.umontreal.ca, larsi@gnus.org,
>  theo@thornhill.no, jostein@secure.kjonigsen.net, 60559@debbugs.gnu.org,
>  epg@pretzelnet.org, mardani29@yahoo.es
> Date: Thu, 05 Jan 2023 08:42:31 +0000
> 
> Ihor Radchenko <yantar92@posteo.net> writes:
> 
> > The above steps only work on master.
> 
> That said, is the approach when require produce side effects a good
> approach? I have been told in another thread that side effects during
> loading should be avoided if possible - they may create surprises to
> users.

Yes, this "should be avoided if possible".  So if someone shows a way
of doing this some other way, but without adding any additional
complexity wrt what the user should do to activate these modes, I'm
all ears.