Re: Moving packages out of core to ELPA

[Eli Zaretskii]

> From: JD Smith <jdtsmith@gmail.com>
> Date: Sat, 17 Feb 2024 16:16:31 -0500
> Cc: emacs-devel@gnu.org
> 
> >> Not necessarily, depending on how one defines obsolete. Just “no longer 
> >> worth keeping in core”.
> > 
> > That's not my interpretation of your description of IDL state.
> 
> Then I fear you may have misinterpreted me.  Many astronomers and earth 
> scientists do still use it. A few with emacs.  Maybe it’s a bit like Perl 
> that way.  There’s a lot of legacy code around. So it’s perfectly valuable to 
> keep in ELPA, but IMO the cost/benefit no longer merits inclusion in core. 

Why doesn't the cost/benefit merit inclusion in core?

How do you understand the considerations for keeping something in core
in general?