GNU bug report logs - #31211
27.0.50; Pruning of command-history in command-execute is off by one

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Package: emacs;

Reported by: "Basil L. Contovounesios" <contovob <at> tcd.ie>

Date: Wed, 18 Apr 2018 18:37:02 UTC

Severity: minor

Tags: fixed, patch

Found in version 27.0.50

Fixed in version 27.1

Done: Noam Postavsky <npostavs <at> gmail.com>

Bug is archived. No further changes may be made.

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Message #24 received at 31211 <at> debbugs.gnu.org (full text, mbox):

From: Noam Postavsky <npostavs <at> gmail.com>
To: 31211 <at> debbugs.gnu.org
Subject: Re: bug#31211: 27.0.50;
 Pruning of command-history in command-execute is off by one
Date: Sun, 29 Apr 2018 18:43:02 -0400
"Basil L. Contovounesios" <contovob <at> tcd.ie> writes:

> Is there any reason why we can't use add-to-history in places like
> Fcall_interactively in src/callint.c and read_minibuf in src/minibuf.c,
> rather than duplicating its logic and falling into off-by-one traps?

Sometimes there can be bootstrapping problems (e.g., the C code tries to
call Lisp code that hasn't been loaded yet).  In this case, I don't
think call-interactively should be needed during bootstrap, so it's
probably fine.

> I attach a patch which delegates to add-to-history in various such
> places, on the assumption this is kosher.  Please let me know whether
> something like this would be acceptable and/or how it can made so. 
>
> The second attachment comprises the same minor lisp/simple.el touch-ups
> as in my last email.

Thanks, I'll push to master in a few days assuming there are no
objections.





This bug report was last modified 7 years and 25 days ago.

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