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bug#24939: [PATCH] Add tests for lisp/kmacro.el


From: Michael Albinus
Subject: bug#24939: [PATCH] Add tests for lisp/kmacro.el
Date: Wed, 30 Nov 2016 17:51:19 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)

Eli Zaretskii <address@hidden> writes:

>> However, I didn't understand why the existing implementation
>> (watching messages in *Messages*) is bad.
>
> Because the display engine treats that buffer specially, and assumes
> all kinds of assumptions when it does.  See message_dolog in xdisp.c
> for the gory details.
>
> So I'd like us to futz as little as possible with *Messages*, lest we
> violate those assumptions.  In particular, setting buffer restrictions
> might get in the way.  (Granted, this is only a problem when the test
> suite is run interactively, but AFAIK this is actually done
> sometimes.)

I didn't know this, thanks for the explanation. So I'm OK with the change.

Best regards, Michael.





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