GNU bug report logs - #74090
31.0.50; Problems with dabbrev-expand

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From: Stephen Berman <stephen.berman <at> gmx.net>
To: Juri Linkov <juri <at> linkov.net>
Cc: 74090 <at> debbugs.gnu.org
Subject: bug#74090: 31.0.50; Problems with dabbrev-expand
Date: Thu, 31 Oct 2024 11:01:04 +0100

On Wed, 30 Oct 2024 09:32:17 +0200 Juri Linkov <juri <at> linkov.net> wrote:

>>>> The attached patch fixes these problems, according to my tests.
>>>
>>> Maybe your patch also fixes bug#36516
>>> where we failed to find a solution.
>>> Or maybe these are separate cases.
>>
>> I was unaware of that bug, thanks for the pointer.  But unfortunately,
>> my patch does not fix it.  My changes only affect cases where the buffer
>> in which dabbrev-expand is called is different from the buffer where it
>> finds the expected expansion (at least I only tried to fix such cases
>> and not alter the behavior of the same buffer cases).  I'll try taking a
>> closer look at this case, but judging by the discussion in that bug
>> thread, it doesn't look related, or easy to fix.  But as was noted in
>> that thread, at least you can get the expected expected by repeatedly
>> typing `M-/', while in the cases I tried (hopefully successfully) to
>> fix, without my patch either you cannot get the expected expansion or
>> you get an error, so bug#36516 seems less serious.
>
> Indeed, bug#36516 reports just a logical inconsistency,
> whereas your patch fixes a plain bug.  I've looked at your patch,
> and everything looks right, and the comprehensive test coverage
> will ensure no breakages, thanks.

Thanks for the review!

Steve Berman

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