Re: Customize enforcing data relationships?

[Kai Großjohann]

"Stefan Monnier <foo@acm.com>" <monnier+gnu.emacs.help/news/@flint.cs.yale.edu> 
writes:

>>> So I don't think the dependency should be specified as part of the
>>> `defcustom' but as part of the value instead.
>> Can somebody give me the skinny on what you're talking about?  I hear
>> your words, but the meaning escapes me :-/  What kind of dependency
>
> If you custom-set A to (bar b) then you'd better make sure that
> custom sets B before setting A otherwise you might not get the
> result you want.  I.e. in such a case B depends on A.

You mean, use the value of variable B as (part of) the value of A?

I didn't know that was possible.  How to do that?
-- 
A turnip curses Elvis