GNU bug report logs - #17893
24.4.50; (error "Marker does not point anywhere")

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Message #38 received at 17893 <at> debbugs.gnu.org (full text, mbox):

From: Stephen Berman <stephen.berman <at> gmx.net>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: 17893 <at> debbugs.gnu.org, Stefan Monnier <monnier <at> iro.umontreal.ca>
Subject: Re: bug#17893: 24.4.50; (error "Marker does not point anywhere")
Date: Wed, 02 Jul 2014 20:58:43 +0200

On Wed, 2 Jul 2014 09:08:42 -0700 (PDT) Drew Adams <drew.adams <at> oracle.com> wrote:

>> > I see.  Would a feasible enhancement be for an error backtrace to
>> > show which pre-command-hook function was invoked,
>> 
>> This is already the case.
>
> I see.  So something added `clear-temporary-map' to `pre-command-hook'
> on the fly, I guess (since I don't see it there otherwise).
>
> I guess that must be done in some C code, since I don't find any hits
> when I grep for `clear-temporary' in the Emacs Lisp code.  (I don't
> have the C code.)

It's actually called clear-transient-map ...

On Wed, 02 Jul 2014 14:24:25 -0400 Stefan Monnier <monnier <at> iro.umontreal.ca> wrote:

>> Not very easy for a user to guess (or even discover) what's going on.
>
> It's added by set-temporary-map

... set-transient-map

Steve Berman

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