Spencer Baugh <sbaugh@catern.com> writes:

> Juri Linkov <juri@linkov.net> writes:
>
>>>> Actually there is already a nil value in completions-sort with the tag
>>>> "No sorting".  This works nicely for 'C-x b'.  The remaining need is
>>>> to be able to set it only for 'C-x b', not for other completion types.
>>>
>>> I feel quite strongly that we should not extend completions-sort to be
>>> able to affect different completion types differently.  Instead I think
>>> we should leave completions-sort as a blanket configuration for what to
>>> do if the completion metadata does not specify display-sort-function,
>>> and if we want to allow customizing an individual completion type, that
>>> completion type should specify a display-sort-function which can be
>>> customized.
>>>
>>> If we do extend completions-sort to affect different completion types
>>> differently, I expect we'll see lots of silly things, like packages with
>>> new completion types which automatically install changes to
>>> completions-sort instead of just specifying their own
>>> display-sort-function.
>>
>> Probably different completion types should provide separate options
>> such as e.g. 'read-char-by-name-sort' defines 'display-sort-function'
>> for 'read-char-by-name'.
>
> Agreed.
>
>> The same could be added for 'C-x b'.  But unfortunately currently
>> it's hard-coded in 'internal-complete-buffer':
>>
>> #+begin_src c
>>   else if (EQ (flag, Qmetadata))
>>     return list3 (Qmetadata,
>>                   Fcons (Qcategory, Qbuffer),
>>                   Fcons (Qcycle_sort_function, Qidentity));
>> #+end_src
>
> Not hard to fix.  I will post a patch to make this customizable soon.

How about this?