Re: Song of Programming

[Didier Verna <verna@inf.enst.fr>]

Lars Magne Ingebrigtsen <larsi@gnus.org> writes:

> Didier Verna <verna@inf.enst.fr> writes:
> 
> >         There's another really important issue that 's still unresolved: the
> > fact that stuff in gnus-xmas.el overrides the user custom settings for some
> > variables.
> 
> Which variables?

        We've talked about this some time ago. The problem is in
`gnus-xmas-redefine'. Called after the custom file has been read,
customizations are gone. I think what you actually want is to `defcustom'
stuff differently according to which flavor of Emacs you're in. At the time we 
talked about this problem, I could see three solutions IIRC:

- either you provide two files with the same defcustom's but with different
values, one for each flavor of Emacs. Only one of these files is loaded then.
This solution has problems though, for example if some of the customized stuff 
has an autoload cookie.

- or you enclose each concerned defcutom in a test on emacs-version (which
actually means that you will have also 2 defcustom's per variable, but in the
same file). However, you're likely to get problems of the same sort (autoloads 
etc).

- or you really have only one defcustom per variable, remove gnus-xmas (at
least the problematic part) and put the xemacs-specifi-stuff calls in the
custom default value, which would be defined but no-op under GNU Emacs.

        I think the third solution is the best.

-- 
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