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From: Eli Zaretskii <eliz@gnu.org>
To: rms@gnu.org
Cc: larsi@gnus.org, emacs-devel@gnu.org
Subject: Re: Bidirectional text and URLs
Date: Tue, 02 Dec 2014 17:03:29 +0200	[thread overview]
Message-ID: <83wq6a5c1q.fsf@gnu.org> (raw)
In-Reply-To: <E1XvohQ-000084-Ve@fencepost.gnu.org>

> Date: Tue, 02 Dec 2014 09:45:08 -0500
> From: Richard Stallman <rms@gnu.org>
> CC: larsi@gnus.org, emacs-devel@gnu.org
> 
>   > A simple (as in "KISS") strategy that should always work is to copy
>   > the entire physical line around the region.
> 
> 1. Is that physical line sufficient to determine the bidi context for
> the region?  I don't know.  If you say it is, I believe you.

I say yes.  For this purpose, line == paragraph.

>   >   Optimizing
>   > that would probably require replacing runs of certain types of
>   > characters with a single representative character of the same type,
>   > and keeping all the directional controls.
> 
>   > We could also replace strong directional characters L/R/AL with the
>   > corresponding mark (LRM/RLM/ALM), which are displayed as (thin)
>   > spaces, and so will be almost invisible, keeping an illusion of
>   > copying just the region of text and nothing else.
> 
> This sounds like the sort of thing I proposed.

OK, I will work on it.

> Another possible interface would be
> 'buffer-substring-preserve-bidi-context'.
> It would copy a specified part of the buffer, but prefix and suffix it
> with whatever is necessary to cause that part to display the same,
> bidi-wise, as it did in its original buffer.

How is this different (you say "another possible interface")?



  reply	other threads:[~2014-12-02 15:03 UTC|newest]

Thread overview: 133+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-28  2:51 Bidirectional text and URLs Lars Magne Ingebrigtsen
2014-11-28  3:27 ` Stephen J. Turnbull
2014-11-28 14:54   ` Eli Zaretskii
2014-11-29  6:09     ` Stephen J. Turnbull
2014-11-29  8:22       ` Eli Zaretskii
2014-11-29 17:05         ` Richard Stallman
2014-11-29 17:13           ` Lars Magne Ingebrigtsen
2014-11-29 17:49             ` Lars Magne Ingebrigtsen
2014-11-29 17:54               ` Lars Magne Ingebrigtsen
2014-11-29 18:24                 ` Eli Zaretskii
2014-11-29 18:29                   ` Lars Magne Ingebrigtsen
2014-11-30  9:38                   ` Richard Stallman
2014-11-30 15:21                     ` Eli Zaretskii
2014-11-29 18:18               ` Eli Zaretskii
2014-11-29 18:33                 ` Lars Magne Ingebrigtsen
2014-11-29 18:47                   ` Eli Zaretskii
2014-11-29 19:12                     ` Andreas Schwab
2014-11-29 19:31                       ` Lars Magne Ingebrigtsen
2014-11-29 19:39                         ` Andreas Schwab
2014-11-29 20:13                       ` Eli Zaretskii
2014-11-30 16:26                 ` Lars Magne Ingebrigtsen
2014-11-30 17:29                   ` Yuri Khan
2014-11-30 17:57                     ` Lars Magne Ingebrigtsen
2014-11-30 18:18                       ` Eli Zaretskii
2014-11-30 17:53                   ` Eli Zaretskii
2014-11-30 18:13                     ` Lars Magne Ingebrigtsen
2014-11-30 19:06                       ` Lars Magne Ingebrigtsen
2014-11-30 19:10                         ` Lars Magne Ingebrigtsen
2014-11-30 20:41                           ` Eli Zaretskii
2014-11-30 19:19                       ` Lars Magne Ingebrigtsen
2014-11-30 21:05                       ` Eli Zaretskii
2014-11-30 21:36                         ` Lars Magne Ingebrigtsen
2014-12-01  3:45                           ` Eli Zaretskii
2014-12-01 16:19                             ` Lars Magne Ingebrigtsen
2014-12-01 17:39                               ` Eli Zaretskii
2014-12-01 17:49                                 ` Lars Magne Ingebrigtsen
2014-12-01 18:22                                   ` Eli Zaretskii
2014-12-01 18:28                                     ` Lars Magne Ingebrigtsen
2014-12-02 14:17                                       ` Eli Zaretskii
2014-12-02 16:31                                         ` Lars Magne Ingebrigtsen
2014-12-01 19:15                         ` Richard Stallman
2014-12-01 19:15                         ` Richard Stallman
2014-12-01 19:34                           ` Eli Zaretskii
2014-12-01 20:21                             ` Eli Zaretskii
2014-12-01 20:30                               ` David Kastrup
2014-12-01 20:45                                 ` Eli Zaretskii
2014-12-02 14:45                                   ` Richard Stallman
2014-12-02 14:45                               ` Richard Stallman
2014-12-02 15:03                                 ` Eli Zaretskii [this message]
2014-12-03  8:39                                   ` Richard Stallman
2014-12-03 17:39                                     ` Eli Zaretskii
2014-12-04  9:41                                       ` Eli Zaretskii
2014-12-05 11:16                                         ` Richard Stallman
2014-12-05 11:28                                           ` Eli Zaretskii
2014-12-05 22:43                                             ` Richard Stallman
2014-12-05 23:15                                               ` Eli Zaretskii
2014-12-06 12:06                                                 ` Richard Stallman
2014-12-06 12:59                                                   ` Eli Zaretskii
2014-12-05 22:43                                             ` Richard Stallman
2014-12-05 23:17                                               ` Eli Zaretskii
2014-12-06 12:06                                                 ` Richard Stallman
2014-12-02 14:44                             ` Richard Stallman
2014-12-02 15:00                               ` Eli Zaretskii
2014-12-03  8:39                                 ` Richard Stallman
2014-11-30  9:38               ` Richard Stallman
2014-11-30 15:27                 ` Eli Zaretskii
2014-12-01 10:17                   ` Richard Stallman
2014-12-01 16:17                     ` Eli Zaretskii
2014-12-02 14:42                       ` Richard Stallman
2014-12-02 14:48                         ` Eli Zaretskii
2014-12-03  8:38                           ` Richard Stallman
2014-12-03 11:56                             ` Nicolas Richard
2014-12-03 17:12                               ` Richard Stallman
2014-12-03 17:38                             ` Eli Zaretskii
2014-12-04 14:30                               ` Richard Stallman
2014-12-04 15:53                                 ` Stefan Monnier
2014-12-04 17:30                                   ` Eli Zaretskii
2014-12-04 20:25                                   ` Paul Eggert
2014-12-02 14:42                       ` Richard Stallman
2014-12-02 14:52                         ` Eli Zaretskii
2014-12-02 18:05                           ` Eli Zaretskii
2014-12-03 17:13                             ` Richard Stallman
2014-12-03 18:14                               ` Eli Zaretskii
2014-12-05 22:44                                 ` Richard Stallman
2014-12-05 23:19                                   ` Eli Zaretskii
2014-12-07  9:20                                     ` Richard Stallman
2014-12-07 15:50                                       ` Eli Zaretskii
2014-12-08  0:26                                         ` Richard Stallman
2014-12-08 15:46                                           ` Eli Zaretskii
2014-12-03 17:13                           ` Richard Stallman
2014-12-03 17:13                           ` Richard Stallman
2014-11-29 17:14         ` Ted Zlatanov
2014-11-30 13:42         ` Stephen J. Turnbull
2014-11-30 15:36           ` Eli Zaretskii
2014-12-01 10:18           ` Richard Stallman
2014-12-01 16:18             ` Eli Zaretskii
2014-12-01 18:32               ` Stephen J. Turnbull
2014-12-01 19:12                 ` Eli Zaretskii
2014-12-01 20:08                   ` Stephen J. Turnbull
2014-12-01 20:42                     ` Eli Zaretskii
2014-12-02 14:42               ` Richard Stallman
2014-12-02 14:54                 ` Eli Zaretskii
2014-12-03  8:39                   ` Richard Stallman
2014-11-28 11:19 ` Ted Zlatanov
2014-11-28 13:58   ` Lars Magne Ingebrigtsen
2014-11-28 19:49     ` Ted Zlatanov
2014-11-28 21:02       ` Stefan Monnier
2014-11-29  0:26         ` Ted Zlatanov
2014-11-28 22:26       ` Eli Zaretskii
2014-11-28 14:24   ` Stefan Monnier
2014-11-28 14:57   ` Eli Zaretskii
2014-11-29  6:17   ` Stephen J. Turnbull
2014-11-28 14:45 ` Eli Zaretskii
2014-11-28 17:09 ` Richard Stallman
2014-11-28 18:28   ` Eli Zaretskii
2014-11-29 17:03     ` Richard Stallman
2014-11-29 17:06       ` Eli Zaretskii
2014-11-30  9:37         ` Richard Stallman
2014-11-30 15:16           ` Eli Zaretskii
2014-12-01 10:18             ` Richard Stallman
2014-12-01 16:02               ` Eli Zaretskii
2014-11-28 19:28   ` Andreas Schwab
2014-11-29 17:04     ` Richard Stallman
2014-11-29 17:11       ` Eli Zaretskii
2014-11-30  9:38         ` Richard Stallman
2014-11-30 15:20           ` Eli Zaretskii
2014-11-30 23:39             ` chad
2014-12-01  3:49               ` Eli Zaretskii
2014-12-01  8:01                 ` chad
2014-12-01 15:58                   ` Eli Zaretskii
2014-12-02 14:41                     ` Richard Stallman
2014-12-01 19:17                   ` Richard Stallman
2014-12-01 10:18             ` Richard Stallman

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