From: Richard Stallman <rms@gnu.org>
Cc: eliz@elta.co.il, alex@emacswiki.org, emacs-bidi@gnu.org,
developer@arabeyes.org, emacs-devel@gnu.org
Subject: Re: merge emacs-bidi into the main tree
Date: Sat, 09 Aug 2003 10:21:17 -0400 [thread overview]
Message-ID: <E19lUar-0006hj-8G@fencepost.gnu.org> (raw)
In-Reply-To: <8665l886vu.fsf@gerd.free-bsd.org> (gerd.moellmann@t-online.de)
> IIRC, you were worried about the performance hit: the code as written
> in the display engine part required to disable all the optimizations
> and shortcuts that exist for the left-to-right languages,
Does it disable the optimizations always, or only when there is
right-to-left text?
and you felt
> this would hamper redisplay performance even in the simplest cases,
> like cursor motion and insertion of a single character.
Yes, that matches the little I remember.
If the optimizations are disabled only when there is right-to-left text,
and if the users of emacs-bidi think it is better than nothing, we may
as well include the feature anyway.
If the change requires disabling optimizations always, even for people
who don't use right-to-left text, that is potentially a serious
problem. Maybe it can be solved by adding a flag that people must set
in order to use right-to-left text. Of course, an automatic solution
would be better, but the flag would be enough to make it acceptable.
next prev parent reply other threads:[~2003-08-09 14:21 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <87lluax3ch.fsf@emacswiki.org>
[not found] ` <7458-Sun03Aug2003224354+0300-eliz@elta.co.il>
[not found] ` <87smoi9p64.fsf@emacswiki.org>
[not found] ` <u1xw26isb.fsf@elta.co.il>
2003-08-04 14:54 ` merge emacs-bidi into the main tree Alex Schroeder
2003-08-07 6:05 ` Richard Stallman
2003-08-07 14:29 ` Eli Zaretskii
2003-08-08 9:05 ` Oliver Scholz
2003-08-08 11:47 ` Kenichi Handa
2003-08-08 15:57 ` Eli Zaretskii
2003-08-08 11:23 ` Gerd Moellmann
2003-08-08 16:02 ` Eli Zaretskii
2003-08-08 16:13 ` Gerd Moellmann
2003-08-09 14:21 ` Richard Stallman [this message]
2003-08-09 14:58 ` Gerd Moellmann
2003-08-10 6:34 ` Eli Zaretskii
2003-08-10 10:42 ` Gerd Moellmann
2003-08-10 16:56 ` Eli Zaretskii
2003-08-10 16:33 ` Gerd Moellmann
2003-08-10 16:45 ` Stefan Monnier
2003-08-11 12:53 ` Richard Stallman
2003-08-12 1:49 ` Kenichi Handa
2003-08-12 6:59 ` Eli Zaretskii
2003-08-12 7:18 ` Kenichi Handa
2003-08-12 8:48 ` Eli Zaretskii
2003-08-13 17:13 ` Richard Stallman
2003-08-09 14:21 ` Richard Stallman
2003-08-09 15:04 ` Gerd Moellmann
2003-08-10 6:36 ` Eli Zaretskii
2003-08-08 11:44 ` Kenichi Handa
2003-08-08 16:04 ` Eli Zaretskii
2003-08-08 17:48 ` Alex Schroeder
2003-08-08 18:58 ` Chahine M. HAMILA
2003-08-09 18:43 ` Nadim Shaikli
2003-08-11 12:54 ` Richard Stallman
2003-08-11 16:32 ` Nadim Shaikli
2003-08-12 23:22 ` Richard Stallman
2003-08-13 0:33 ` Kenichi Handa
2003-08-14 3:08 ` Richard Stallman
2003-08-15 5:51 ` Kenichi Handa
2003-08-15 11:51 ` Alex Schroeder
2003-08-15 15:38 ` Nadim Shaikli
2003-08-17 0:36 ` Richard Stallman
2003-08-18 0:24 ` Kenichi Handa
2003-08-13 3:44 ` Nadim Shaikli
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