bug#74792: 29.2.50; goto-address-mode should support RET in special-mode buffers

[Eli Zaretskii <eliz@gnu.org>]

> From: Spencer Baugh <sbaugh@janestreet.com>
> Date: Wed, 11 Dec 2024 12:39:59 -0500
> Cc: 74792@debbugs.gnu.org, Dmitry Gutov <dmitry@gutov.dev>
> 
> On Wed, Dec 11, 2024, 12:09 PM Eli Zaretskii <eliz@gnu.org> wrote:
> 
>  > Cc: dmitry@gutov.dev
>  > Date: Wed, 11 Dec 2024 11:10:53 -0500
>  > From:  Spencer Baugh via "Bug reports for GNU Emacs,
>  >  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>  > 
>  > 
>  > goto-address-mode binds C-c RET to goto-address-at-point when point is
>  > on a URL or email address.  In special-mode buffers (or maybe any
>  > read-only buffer?) it should also bind RET while point is on the URL or
>  > email address.
> 
>  I don't think it's a good idea, since many special-mode descendants
>  bind RET to useful commands.  For goto-address-at-point to override
>  that would be a nuisance, I think.
> 
> True, but when I've specifically moved point to a URL it is usually because I want to follow the URL, not do
> whatever is bound to RET in the mode.

You cannot know that.  E.g., point could be on a URL by chance, for
example, if a buffer starts with a URL.

> But this sounds like something that may differ between users, so perhaps we could add this controlled by a
> defcustom?

Let's first hear that enough people here think that it might sometimes
be a good thing.  If so, then yes, a user option, by default off,
could be a way to introduce such behavior.