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Re: [Emacs-diffs] /srv/bzr/emacs/trunk r105429: New function `string-mar

From: Eli Zaretskii
Subject: Re: [Emacs-diffs] /srv/bzr/emacs/trunk r105429: New function `string-mark-left-to-right' for handling LRMs.
Date: Wed, 17 Aug 2011 12:15:58 +0300

> From: Kenichi Handa <address@hidden>
> Date: Wed, 17 Aug 2011 16:21:44 +0900
> Cc: address@hidden, address@hidden, address@hidden
> By the way, Stefan' suggestion of extending regexp is also
> worth considering (though I have no idea what kind of format
> we can use for them).

If the important categories are part of the standard category-table,
then I don't see any advantages to Stefan's proposal.  The underlying
implementation will be the same: access to uniprop tables.

> One more tip: It may be a little bit faster to use a
> bidi-specific category table with with-category-table
> because, in most cases, we can find a category set for a
> specific character faster.  In a bidi-specific category
> table, most characters (e.g. all han characters) will have
> the same category set and thus the set is recorded for a
> group of characters.

You mean, because CHAR_TABLE_REF will be faster?

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