bug#21981: request: dired: require dired-x by default

[Stefan Kangas]

John Wiegley <jwiegley@gmail.com> writes:

>>>>>> Glenn Morris <rgm@gnu.org> writes:
>
>> AFAIK we are still waiting for someone to
>>   [add] the remaining useful functionality of dired-x into dired and
>>   then [make] dired-x obsolete.
>
> I would prefer this also, rather than pulling in all of dired-x. Michael,
> would you like to review the parts of dired-x that should move over?

I took a stab at one part of this: dired-jump and
dired-jump-other-window.  Please see the attached patch.

The patch is slightly opinionated in that it obsoletes `dired-bind-jump'
and makes it a no-op: it binds `C-x C-j' and `C-x 4 C-j'
unconditionally.  As a replacement, it documents in NEWS how to unbind
them in your init file.  I think this makes much more sense as an
interface to this functionality.

I also moved the corresponding documentation to the Manual and took the
opportunity to rewrite and improve the documentation of those commands.

Best regards,
Stefan Kangas

0001-Move-dired-jump-from-dired-x-to-dired-Bug-21981.patch
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