bug#39484: 26.3; try-completion bug

[Andreas Schwab]

On Okt 28 2020, Lars Ingebrigtsen wrote:

> Andreas Schwab <schwab@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@linux-m68k.org
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