bug#35385: 27.0.50; Make dired-dwim-target aware of other frames

[Juri Linkov]

>> 
>> +          (function-item :tag "Prefer next windows"
>> +                         dired-dwim-target-next)
>
> This is confusing, IMO.  What does "next windows" allude to?

This is what was in the previous version of the docstring:

  "Dired buffer displayed in the next window"

>> +          (function :tag "Your function")
>
> Instead of "Your" I'd say "Custom" here.

Ok, will change to "Custom function".

> Note that dired-dwim-target is described in the user manual, so there
> should be a corresponding change in the manual (and in NEWS).

This is already mentioned in the manual and in NEWS.