Re: Making `eglot-server-programs' a custom variable?

[Eli Zaretskii]

> From: Philip Kaludercic <philipk@posteo.net>
> Cc: Jim Porter <jporterbugs@gmail.com>,  arash@gnu.org,
>   emacs-devel@gnu.org,  joaotavora@gmail.com
> Date: Sat, 12 Nov 2022 08:03:51 +0000
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> Date: Fri, 11 Nov 2022 19:47:52 -0800
> >> Cc: emacs-devel <emacs-devel@gnu.org>, João Távora
> >>  <joaotavora@gmail.com>
> >> From: Jim Porter <jporterbugs@gmail.com>
> >> 
> >> I think it would be super-helpful for there to be a way in the 
> >> Customize interface to indicate that you want to add A, B, C to a 
> >> defcustom list, and/or remove X, Y, Z.
> >
> > We already have that, AFAIU what you mean: see, for example
> >
> >   M-x customize-variable RET image-load-path RET
> 
> My issue here is that while you can modify the list, when saved you will
> store the entire modified list, and no the modifications you made on the
> base variable.

The way to do this is to have a basic value as a defvar, and store the
corrections to that in a defcustom.