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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Region cache for bidi paragraphs?
Date: Fri, 02 Aug 2013 17:03:30 +0300
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To: Dmitry Antipov <dmantipov@yandex.ru>
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> Date: Fri, 02 Aug 2013 15:11:01 +0400
> From: Dmitry Antipov <dmantipov@yandex.ru>
> CC: Emacs development discussions <emacs-devel@gnu.org>
> 
> what do you think about using region cache to speedup bidi_find_paragraph_start?

Does it give any real speedup, and if so, in what use cases?