Re: On obsoleting defcustoms

[Eli Zaretskii]

> Date: Thu, 12 Nov 2020 13:37:24 -0800 (PST)
> From: Drew Adams <drew.adams@oracle.com>
> Cc: emacs-devel@gnu.org
> 
> But if it is, then why would it make any more sense to remove
> customization of an obsolete option that it would to remove
> advising an obsolete function or setting an obsolete defvar?

I didn't say we should remove customization of those, I said we should
not show them in the "customize group" buffer.

> If people are concerned about someone continuing to use
> something that's obsolete, why not just have Customize give
> a warning/message saying that the option is obsolete, and 
> that the effect of changing its value is undefined?

We already say that, since we show the doc string.

> That's assuming that Emacs takes the (unusual, IME) point of
> view that, once declared obsolete, something should no longer
> be usable.

Not "usable", "used".