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From: Terry Reedy <tjreedy@udel.edu>
Subject: Re: trying to strip out non ascii.. or rather convert non ascii
Date: Wed, 30 Oct 2013 17:56:52 -0400
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On 10/30/2013 12:08 PM, wxjmfauth@gmail.com wrote:

>  From a unicode perspective.
> Unicode.org "knows", these chars a very important, that's
> the reason why they exist in two forms, precomposed and
> composed forms.

Only some chars have both forms. I believe the precomposed forms are 
partly a historical accident of what precomposed forms were in the 
various latin-1 sets.

-- 
Terry Jan Reedy