From: Eli Zaretskii <eliz@gnu.org>
To: Jason Rumney <jasonr@gnu.org>
Cc: emacs-devel@gnu.org, david@harpegolden.net
Subject: Re: How to recognize keyboard insertion?
Date: Sun, 01 Nov 2009 06:02:52 +0200 [thread overview]
Message-ID: <83hbtedh8z.fsf@gnu.org> (raw)
In-Reply-To: <4AECE4BB.9010900@gnu.org>
> Date: Sun, 01 Nov 2009 09:30:35 +0800
> From: Jason Rumney <jasonr@gnu.org>
> CC: David De La Harpe Golden <david@harpegolden.net>,
> emacs-devel@gnu.org
>
> User types: ABCD(
> Displayed as: )DCBA
Yes.
> User types: ABCD(4
> Displayed as: 4)DCBA or (4DCBA? I suspect the first, as the user might
> type something other than a number next
The first, yes.
> User types: ABCD(4+5)
> Displayed as: (4+5)DCBA regardless of how directionality of parens is
> interpreted.
Yes. But I don't understand the ``regardless'' part. If you want to
know the resolved directionality of each paren, I can tell you what
the current algorithm does (what UAX#9 requires).
> User types: ABCD(4+5)*9
> Displayed as: (4+5)*9DCBA Parens here must be LTR
No, it's displayed as 9*(4+5)DCBA.
> I guess this is why the mirroring happens at keyboard driver level and
> applications do not try to do it correctly, because in practice doing it
> correctly results in text jumping around, confusing the user more than
> it confuses them to manually fix the problems of a dumb implementation.
Sorry, I don't understand: what jumping around are we talking about,
and how is mirroring related to that?
next prev parent reply other threads:[~2009-11-01 4:02 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-31 15:57 How to recognize keyboard insertion? Eli Zaretskii
2009-10-31 16:58 ` David De La Harpe Golden
2009-10-31 17:20 ` Eli Zaretskii
2009-10-31 17:37 ` David De La Harpe Golden
2009-10-31 17:43 ` David De La Harpe Golden
2009-10-31 18:15 ` Eli Zaretskii
2009-10-31 19:26 ` David De La Harpe Golden
2009-10-31 20:01 ` Eli Zaretskii
2009-10-31 20:42 ` David De La Harpe Golden
2009-10-31 21:23 ` Eli Zaretskii
2009-10-31 21:49 ` David De La Harpe Golden
2009-11-01 3:44 ` Eli Zaretskii
2009-11-01 5:24 ` David De La Harpe Golden
2009-11-01 19:59 ` Eli Zaretskii
2009-11-01 20:19 ` David De La Harpe Golden
2009-11-01 3:40 ` Stephen J. Turnbull
2009-11-01 5:46 ` David De La Harpe Golden
2009-11-01 5:44 ` tomas
2009-11-01 18:48 ` Eli Zaretskii
2009-11-01 20:09 ` David De La Harpe Golden
2009-11-02 5:03 ` tomas
2009-11-01 1:30 ` Jason Rumney
2009-11-01 4:02 ` Eli Zaretskii [this message]
2009-11-01 5:25 ` Stephen J. Turnbull
2009-11-01 13:59 ` David De La Harpe Golden
2009-11-01 19:57 ` Eli Zaretskii
[not found] ` <837huac8gg.fsf@gnu.org>
2009-11-02 14:49 ` Ehud Karni
2009-11-02 19:02 ` Eli Zaretskii
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