On Fri, Oct 25, 2019, 16:50 Stefan Monnier <monnier@iro.umontreal.ca> wrote:

> >> [ Yes, non-nil default values for non-preloaded hooks are evil.
> >>   I confess to doing it, but I plead insanity.  ]
> > Why evil?
>
> Because you can't conveniently add/remove values from it (you either
> have to wait for the file to be loaded to do that, or force loading it
> eagerly at startup, or completely override the default value with your
> own).
>

Makes sense. I suppose an autoload cookie could do it, but
maybe it's kind of ugly.


> We discussed a few times teaching Custom how to modify lists like these
> (so what is stored in your config file for this variable is morally
> a sort of "diff" rather than the current result of applying the diff).
>

Yes.  But it wouldn't work for Custom-hat... err... avoiders like me,
right?

Anyway, it's the first time I bump into this problem, so it mustn't
be so terrible.

João