GNU bug report logs - #55870
GNU Emacs 26.3, Select All(C-x h) does not work

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From: Po Lu <luangruo <at> yahoo.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 55870 <at> debbugs.gnu.org, larsi <at> gnus.org, Bruce <brucelam1982pi <at> anche.no>
Subject: bug#55870: GNU Emacs 26.3, Select All(C-x h) does not work
Date: Sun, 17 Jul 2022 15:27:12 +0800

Eli Zaretskii <eliz <at> gnu.org> writes:

> Maybe this is the reason.  Po Lu, what data-type do we use on X to put
> data into the clipboard when the user presses M-w?

None in particular: we store the clipboard data locally, and other
programs request different selection "targets" from Emacs depending on
the coding system they want it in.  Normally, it is UTF8_STRING for
UTF-8 data, COMPOUND_TEXT for X compound text data, STRING for
iso-latin-1, and C_STRING for raw text.

selection-coding-system should not be set under X, since the semantics
are very confusing.  Simple example: when selection-coding-system is set
to utf-8-dos, Emacs will respond to requests for UTF8_STRING with text
encoded with utf-8-dos, but requests for STRING will still be Latin-1.

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