Re: Can we add a check to see if user is using old or obsolete code?

[kai.grossjohann@uni-duisburg.de (Kai Großjohann)]

storm@cua.dk (Kim F. Storm) writes:

> kai.grossjohann@uni-duisburg.de (Kai Großjohann) writes:
>
>> Actually, list-load-path-shadows is executed when you install Emacs.
>
> This requires that the conflicting files are named identically.  The
> problem with CUA is that the old and new files have different names,
> and the file name has actually changed three times, so this is
> unfortunately not a viable option for CUA.

Ayee!  I'm sorry.  As you can see, I know very little about CUA.
(But I like it :-)

> Also, the shadowing may easily be introduced later if the user
> modifies the load-path in his own .emacs file.

Sure.  But that's true for other packages, too.

>> IMHO it would be useful to make that output more prominent.
>> 
>> Doesn't Emacs include a versioned site-lisp directory in the
>> load-path by default?  So the installation instructions could suggest
>> to use that for such cases.  But it could be that the directory is in
>> load-path only for versions > 21.3.
>
> That only works if all existing users have installed the old cua
> package in those directories (provided they exist).  Not something
> I would rely on.

Of course.  I meant it as an additional suggestion.

> I now have a pretty good working solution for CUA based on
> eval-after-load.  I'll install it shortly.

Very good.  Sorry for the line-noise.
-- 
A preposition is not a good thing to end a sentence with.