From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#52295: 28.0.90; Killing text results in coding system complaint Date: Sun, 05 Dec 2021 17:26:11 +0800 Message-ID: <87ee6rqu6k.fsf@yahoo.com> References: <875ys3sgfv.fsf.ref@yahoo.com> <875ys3sgfv.fsf@yahoo.com> <83k0gj4ezx.fsf@gnu.org> <87sfv7qvgs.fsf@yahoo.com> <83ee6r4dq5.fsf@gnu.org> Reply-To: Po Lu Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="38331"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) Cc: 52295@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Dec 05 10:27:35 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mtnnz-0009q2-2o for geb-bug-gnu-emacs@m.gmane-mx.org; 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Sun, 5 Dec 2021 09:26:15 +0000 Original-Received: by kubenode517.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID a86335c4fd957fd7990d361269cdc96b; Sun, 05 Dec 2021 09:26:16 +0000 (UTC) In-Reply-To: <83ee6r4dq5.fsf@gnu.org> (Eli Zaretskii's message of "Sun, 05 Dec 2021 11:12:34 +0200") X-Mailer: WebService/1.1.19415 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:221599 Archived-At: Eli Zaretskii writes: >> From: Po Lu >> Cc: 52295@debbugs.gnu.org >> Date: Sun, 05 Dec 2021 16:58:27 +0800 >> >> >> w32--set-selection: Coding system is invalid or doesn't have an eol >> >> variant for dos line ends: nil [2 times] >> > >> > What are the values of the following variables on that system? >> > >> > selection-coding-system >> > next-selection-coding-system >> >> Both variables are nil. > > That's the problem. But I don't understand why is that so. The value > of selection-coding-system is set in globals_of_w32select, which is > called during startup, and where we have this code: > > ANSICP = GetACP (); > OEMCP = GetOEMCP (); > > QANSICP = coding_from_cp (ANSICP); > QOEMCP = coding_from_cp (OEMCP); > > if (os_subtype == OS_SUBTYPE_NT) > Vselection_coding_system = Qutf_16le_dos; > else if (inhibit_window_system) > Vselection_coding_system = QOEMCP; > else > Vselection_coding_system = QANSICP; > > On Windows 9X, this should assign the ANSI codepage to > selection-coding-system. Since your codepage seems to be 1252, it > should assign the symbol 'cp1252-dos' to selection-coding-system, see > coding_from_cp. > > Why doesn't this happen in your case? Maybe that variable is dumped during the build process, with a value appropriate for NT, and when Emacs starts on a 9X system some other code sees that it is invalid and sets it to nil?