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Re: Bidirectional text and URLs

From: Richard Stallman
Subject: Re: Bidirectional text and URLs
Date: Sun, 07 Dec 2014 04:20:31 -0500

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  > >   > We already have a better solution for that, I just added yesterday the
  > >   > infrastructure that enables such a solution.
  > > 
  > > Could you tell me what that solution is?  I'm concerned that we
  > > may be miscommunicating again.

  > I meant this primitive:

  >   (bidi-find-overridden-directionality FROM TO &optional OBJECT)

  >   Return position between FROM and TO where directionality was overridden.

This looks like a way to _test_ part of a buffer or string to see if
it has any bidi strangeness.  Could you confirm?

If so, the questionis: once you detect the strangeness, what then?
I suppose the next step is either an error message or a query.
In either case, I think we should show the user (1) what the text
looks like and (2) what's actually in it.

With your implementation of context-regeneration, we can show what
the text looks like.

How can we show what it really is?

Perhaps what we want is a suppress-bidi property, or a bidi property
that would specify the direction for certain text.  These properties
would override all bidi attributes of the characters themselves.

Dr Richard Stallman
President, Free Software Foundation
51 Franklin St
Boston MA 02110
www.fsf.org  www.gnu.org
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