Re: [O] absurd

[Achim Gratz]

Uwe Brauer writes:
> I don't understand:
>
> (defun my-test-if ()
>   (interactive)
>   (if (featurep 'xemacs)
>       (message "Xemacs")
>     (message "GNUS")))
>
>
> when executed in Xemacs returns Xemacs, when executed in GNU emacs returns
> GNUS.

Yes, but the byte-compiler has to compile both branches, since the if is
actually resolved at run-time.  You'd need to use a compatibility macro
to make that decision at compile-time and only use the XEmacs branch.
That was once in Org, but later reverted by Bastien.


Regards,
Achim.
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