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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: [PATCH] add 'string-distance' to calculate Levenshtein distance
Date: Tue, 17 Apr 2018 18:44:21 +0300
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To: chen bin <chenbin.sh@gmail.com>
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> From: chen bin <chenbin.sh@gmail.com>
> Date: Tue, 17 Apr 2018 12:43:33 +1000
> Cc: emacs-devel@gnu.org
> 
> Weighted distance is NOT doable for only one reason:
> You can't increase character weight of certain race or religion in Emacs.
> It's politically wrong.

If the weight comes from the user/Lisp program which uses this
primitive, then whatever politics is involved is up to the caller.