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.

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Message #47 received at 39484 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Andreas Schwab <schwab <at> linux-m68k.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 10:50:23 +0100

Andreas Schwab <schwab <at> linux-m68k.org> writes:

>> 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.

But the case change in the modified case is essentially arbitrary, while
the unmodified case has a unique, non-arbitrary match.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no
This bug report was last modified 3 years and 110 days ago.

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