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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,
	kevin.legouguec@gmail.com
Subject: Re: Can watermarking Unicode text using invisible differences sneak through Emacs, or can Emacs detect it?
Date: Wed, 26 Jan 2022 07:38:11 +0200	[thread overview]
Message-ID: <3E718CA2-889F-4AEE-B79C-EB3A221D1CB2@gnu.org> (raw)
In-Reply-To: <E1nCZ9R-0005I0-5n@fencepost.gnu.org>

On January 26, 2022 5:39:17 AM GMT+02:00, Richard Stallman <rms@gnu.org> wrote:
> 
> I didn't know that there were two different kinds of ligatures in Unicode.

It is not specific to ligatures.  Some character sequences that are supposed to be composed on display have precomposed variants with their own codepoints.  This is generally for legacy reasons.  The most widely known example is Latin characters with diacritics, such as ç and à.



  reply	other threads:[~2022-01-26  5:38 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
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 [this message]
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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