GNU bug report logs - #39484
26.3; try-completion bug

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Package: emacs;

Reported by: Wanrong Lin <wrglin <at> gmail.com>

Date: Fri, 7 Feb 2020 15:46:02 UTC

Severity: normal

Found in version 26.3

Fixed in version 29.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

Full log

Message #44 received at 39484 <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: Wanrong Lin <wrglin <at> gmail.com>, Stefan Monnier <monnier <at> iro.umontreal.ca>,
 39484 <at> debbugs.gnu.org
Subject: Re: bug#39484: 26.3; try-completion bug
Date: Wed, 28 Oct 2020 10:42:51 +0100

On Okt 28 2020, Lars Ingebrigtsen wrote:

> Andreas Schwab <schwab <at> linux-m68k.org> writes:
>
>> On Okt 27 2020, Wanrong Lin wrote:
>>
>>> The answer is not bad, matching at least one of the candidates. That makes
>>> the answer to my original example even more odd:
>>> (let ((completion-ignore-case t))
>>>        (try-completion "xyz" '("XyzD" "XyzAbc"))
>>>        )
>>> ==> "xyz"
>>
>> That also matches one of the candidates (since case doesn't matter).
>
> It does, but it's weird.  I mean, this pair of return values don't make
> sense on any level:
>
> (let ((completion-ignore-case t))
>   (try-completion "xyz" '("XyzaD" "XyZabc")))
> => "Xyza"
>
> (let ((completion-ignore-case t))
>   (try-completion "xyz" '("XyZbD" "XyZabc")))
> => "xyz"  

It makes a whole lot sense.  If the candidate is not modified, it
should not receive any case changes either.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."
This bug report was last modified 3 years and 110 days ago.

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