From mboxrd@z Thu Jan  1 00:00:00 1970
From: Uwe Brauer <oub@mat.ucm.es>
Subject: Re: problems with alphabetic ordering in tables containing non ASCII
 chars
Date: Tue, 05 Jul 2016 20:54:12 +0000
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    > Hello,
    > Uwe Brauer <oub@mat.ucm.es> writes:

Thanks for the fast answer

    > Alphabetic ordering uses `string-lessp', which doesn't fulfill your
    > needs here. You can however, sort by an arbitrary function using f or
    > F key.

Which function could you recommend?

    > In any case, char folding is a complicated matter, because it really
    > depends on the host language. I think development Emacs provides
    > something like this.

I am using GNU emacs 25.1.50 so that requirement is fulfilled. Do you
have any pointers?