bug#74361: [PATCH] New option xref-navigation-display-window-action

[Juri Linkov <juri@linkov.net>]

>>> In either case, 'display-buffer' would look whether an appropriate
>>> window exists and use that window, maybe also ignoring certain aspects
>>> (dedicatedness, minimum size) that would otherwise prevent its use.
>>
>> Attached find how a 'category' list entry could be handled by
>> 'display-buffer-use-some-window' where a 'some-window' entry would be
>> given precedence.  Tested with
>>
>> (display-buffer
>>  (get-buffer-create "*foo*")
>>  '((display-buffer-use-some-window) (inhibit-same-window . t) (category . foo)))
>>
>> (display-buffer
>>  (get-buffer-create "*bar*")
>>  '((display-buffer-use-some-window) (inhibit-same-window . t) (category . foo)))
>
> This is a nice feature.  But please use a different name
> since the 'category' alist entry is reserved exclusively
> to match display-buffer calls in user's configuration
> in the user option 'display-buffer-alist'.
> When using the same name for different purposes
> then the users won't be able to match by category
> and not to reuse the same window.

And maybe it makes more sense to implement this feature in
'display-buffer-reuse-window' instead of
'display-buffer-use-some-window'?