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From: Richard Stallman <rms@gnu.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: psainty@orcon.net.nz, luangruo@yahoo.com,
	kevin.legouguec@gmail.com, emacs-devel@gnu.org
Subject: Re: Can watermarking Unicode text using invisible differences sneak through Emacs, or can Emacs detect it?
Date: Fri, 28 Jan 2022 08:04:49 -0500	[thread overview]
Message-ID: <E1nDQvp-0005vd-Sz@fencepost.gnu.org> (raw)
In-Reply-To: <3E718CA2-889F-4AEE-B79C-EB3A221D1CB2@gnu.org> (message from Eli Zaretskii on Wed, 26 Jan 2022 07:38:11 +0200)

[[[ To any NSA and FBI agents reading my email: please consider    ]]]
[[[ whether defending the US Constitution against all enemies,     ]]]
[[[ foreign or domestic, requires you to follow Snowden's example. ]]]

    > The most widely known example is Latin characters with diacritics, such as ç and à.

Since my terminal handles many of those characters, they work ok for
me.  But there are some it does not support.  Many Vietnamese
characters, for instance.

If this feature is implemented to handle ligatures, it could handle
the letters with diacritics too.  That would be as easy as populating
the table of the sequences they stand for.  The terminfo item for
`linux' could indicate which characters are ok to display unchanged
and which ones need to be displayed as the equivalent digraphs (or
trigraphs).

All the work is in the basic feature that converts some Unicode codes
into sequences for display.





-- 
Dr Richard Stallman (https://stallman.org)
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)





  reply	other threads:[~2022-01-28 13:04 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
2022-01-28 13:04                           ` Richard Stallman [this message]
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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