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From: Eli Zaretskii <eliz@gnu.org>
To: rms@gnu.org, Richard Stallman <rms@gnu.org>
Cc: psainty@orcon.net.nz, luangruo@yahoo.com, emacs-devel@gnu.org
Subject: Re: Can watermarking Unicode text using invisible differences sneak through Emacs, or can Emacs detect it?
Date: Tue, 25 Jan 2022 08:35:42 +0200	[thread overview]
Message-ID: <EA2B4CF1-AD88-4298-95D9-ACD83EE3AD7A@gnu.org> (raw)
In-Reply-To: <E1nCDFt-0003Ir-7e@fencepost.gnu.org>

On January 25, 2022 6:16:29 AM GMT+02:00, Richard Stallman <rms@gnu.org> wrote:
>
>   >   When several characters are supposed to
>   > be composed on a text-mode display, Emacs simply writes them to the
>   > terminal one after another, and expects the terminal to display them
>   > as a ligature.  The only difference between what Emacs does in this
>   > case and what it does when no character composition is expected is
>   > that in the former case Emacs expects the terminal to produce just one
>   > glyph that takes just one column on display.
> 
> In that case, I think I it would be good to be able to tell Emacs,
> when using a text-only terminal, not to try to compose ligatures.
> Not to expect that sequence to display as one column.  Is that possible?
> 

This should already work: auto-composition-mode's value can be a symbol, to allow disabling that mode on uncapable terminals.  Maybe you need to customize the value to disable compositions on your console.



  reply	other threads:[~2022-01-25  6:35 UTC|newest]

Thread overview: 104+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-19  4:15 Can watermarking Unicode text using invisible differences sneak through Emacs, or can Emacs detect it? Richard Stallman
2022-01-19  4:47 ` Po Lu
2022-01-19 10:05   ` Phil Sainty
2022-01-19 11:43     ` Eli Zaretskii
2022-01-21  4:13       ` Richard Stallman
2022-01-21  7:49         ` Eli Zaretskii
2022-01-22  4:37           ` Richard Stallman
2022-01-22  6:58             ` Eli Zaretskii
2022-01-24  4:33               ` Richard Stallman
2022-01-24  5:06                 ` Po Lu
2022-01-25  4:17                   ` Richard Stallman
2022-01-25  4:58                     ` Po Lu
2022-01-24 12:14                 ` Eli Zaretskii
2022-01-25  4:16                   ` Richard Stallman
2022-01-25  6:35                     ` Eli Zaretskii [this message]
2022-01-25 12:12                       ` Eli Zaretskii
2022-01-25  4:16                   ` New feature: displaying ligature characters in the buffer Richard Stallman
2022-01-25  6:31                     ` Eli Zaretskii
2022-01-27  4:12                       ` Richard Stallman
2022-01-27  7:58                         ` Eli Zaretskii
2022-01-25 11:08                   ` Can watermarking Unicode text using invisible differences sneak through Emacs, or can Emacs detect it? Kévin Le Gouguec
2022-01-25 12:38                     ` Eli Zaretskii
2022-01-26  3:39                       ` Richard Stallman
2022-01-26  5:38                         ` Eli Zaretskii
2022-01-28 13:04                           ` Richard Stallman
2022-01-28 13:31                             ` Eli Zaretskii
2022-01-30  4:17                               ` Richard Stallman
2022-01-30  7:36                                 ` Eli Zaretskii
2022-01-31  4:02                                   ` Richard Stallman
2022-01-31 13:05                                     ` Eli Zaretskii
2022-02-01  5:06                                       ` Richard Stallman
2022-02-01 14:57                                         ` Eli Zaretskii
2022-02-02  3:58                                           ` Richard Stallman
2022-02-02 12:28                                             ` Eli Zaretskii
2022-02-03  4:23                                               ` Richard Stallman
2022-02-03  7:53                                                 ` Eli Zaretskii
2022-02-03  8:16                                                   ` Yuri Khan
2022-02-03  9:26                                                     ` Eli Zaretskii
2022-02-04  3:52                                                   ` Richard Stallman
2022-02-04  4:56                                                     ` Yuri Khan
2022-02-06  4:13                                                       ` Richard Stallman
2022-02-04  8:10                                                     ` Eli Zaretskii
2022-02-06  4:13                                                       ` Richard Stallman
2022-02-03 20:28                                                 ` Tomas Hlavaty
2022-02-04  7:07                                                   ` Eli Zaretskii
2022-02-05  4:20                                                   ` Richard Stallman
2022-02-05 13:55                                                     ` Tomas Hlavaty
2022-02-05 14:06                                                       ` Eli Zaretskii
2022-02-05 14:12                                                         ` Eli Zaretskii
2022-02-06  1:29                                                           ` Tomas Hlavaty
2022-02-06  8:30                                                             ` Eli Zaretskii
2022-02-06 10:38                                                               ` Tomas Hlavaty
2022-02-06 10:44                                                                 ` Eli Zaretskii
2022-02-06 10:54                                                                 ` Andreas Schwab
2022-02-06  1:10                                                         ` Tomas Hlavaty
2022-02-06  4:16                                                         ` Richard Stallman
2022-02-06  4:16                                                       ` Richard Stallman
2022-02-06 11:29                                                         ` Tomas Hlavaty
2022-02-04  3:52                                                 ` Richard Stallman
2022-02-04  8:03                                                   ` Eli Zaretskii
2022-02-06  4:13                                                     ` Richard Stallman
2022-02-06  8:56                                                       ` Eli Zaretskii
2022-02-07  5:11                                                         ` Richard Stallman
2022-02-07 13:16                                                           ` Eli Zaretskii
2022-02-08  3:55                                                             ` Richard Stallman
2022-02-08 12:20                                                               ` Eli Zaretskii
2022-02-09  4:06                                                                 ` Richard Stallman
2022-02-09 13:50                                                                   ` Eli Zaretskii
2022-02-10  3:57                                                                     ` Richard Stallman
2022-02-10  6:26                                                                       ` Eli Zaretskii
2022-02-12  3:57                                                                         ` Richard Stallman
2022-02-12  7:36                                                                           ` Eli Zaretskii
2022-02-14  4:13                                                                             ` Richard Stallman
2022-02-14 12:07                                                                               ` Eli Zaretskii
2022-02-15  4:33                                                                                 ` Richard Stallman
2022-02-15 13:32                                                                                   ` Eli Zaretskii
2022-02-16  4:14                                                                                     ` Richard Stallman
2022-02-16 12:10                                                                                       ` Eli Zaretskii
2022-02-19  4:54                                                                                         ` Richard Stallman
2022-02-12 20:10                                                                           ` Tomas Hlavaty
2022-02-14  4:14                                                                             ` Richard Stallman
2022-01-26  8:20                         ` Andreas Schwab
2022-01-27  4:13                           ` Richard Stallman
2022-01-27  6:39                             ` Eli Zaretskii
2022-01-27  8:13                               ` Kévin Le Gouguec
2022-01-27  9:55                                 ` Eli Zaretskii
2022-01-27 10:29                                   ` Eli Zaretskii
2022-01-27 17:36                                     ` Kévin Le Gouguec
2022-01-27 18:38                                       ` Eli Zaretskii
2022-01-20  3:17     ` Richard Stallman
2022-01-20  4:54       ` Phil Sainty
2022-01-20  6:39         ` tomas
2022-01-20 17:58           ` [External] : " Drew Adams
2022-01-22  4:37           ` Richard Stallman
2022-01-22  5:16             ` Po Lu
2022-01-20  7:57         ` Eli Zaretskii
2022-01-20  6:35       ` Tim Cross
2022-01-20  7:39         ` tomas
2022-01-20  8:20         ` Eli Zaretskii
2022-01-20  7:48       ` Eli Zaretskii
2022-01-20  8:17         ` Lars Ingebrigtsen
2022-01-21  4:14         ` Richard Stallman
2022-01-19  8:20 ` Eli Zaretskii
2022-01-19 17:36 ` T.V Raman

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