From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.bugs Subject: bug#64164: 29.0.92; buffer-file-coding-system changes unexpectedly after saving Date: Mon, 19 Jun 2023 19:35:59 +0200 Message-ID: <87y1kf2w3k.fsf@gmx.de> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="40132"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: 64164@debbugs.gnu.org To: miranda@pulusound.fi Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jun 19 19:37:41 2023 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 1qBIou-000A5n-SF for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 19 Jun 2023 19:37:40 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qBIoK-0007WL-K3; 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Mon, 19 Jun 2023 19:36:01 +0200 In-Reply-To: (miranda@pulusound.fi's message of "Mon, 19 Jun 2023 12:57:39 +0300") X-Provags-ID: V03:K1:QULOvWmxrXRohYQFeW0F4/Vl2XJnNFfNqXhPPysbstFPWXz3OCL B038qhIbXXCuwe8AVn7R6DyRyn/dQyFgpXJJcDgdFDlNOdL5HLq5iXObE7ny2F6ma9/pgLS K/DZvf+HdVJRsXV/Ahl/ixMWMrwLc/IVdnQzYJhxcMp+pUbRZbADikDGpmgYmWsJqwsL8ge 5iU4FjvyuiFFxJLFSn53w== UI-OutboundReport: notjunk:1;M01:P0:Vl2+eG3fivY=;npZYaLz4865n9wCkssd8RfqfqgR q5T96GY7Vj++1TlGsRYyyJy5bILwcncKGq4sCLhw0c1hI7eDiDSppq+kSviHi382Lv250Zp8y Lq8EiOY+3AULCpyW0RUoAgeJPboCTga+nASwBli16/7XS+gqZjMStPajhPcBLDM3z26RVcfYO UetTmSVIYYUut8Om8iALSiicTllJNGCRdjznECmzUSAWiNtFLpQ1HfJqHWibigpmbHLYH1bx+ MGNCnyfhf2IpoeX635TMMKfABefbnfcccpBDgEC9WwfCaUmD4mV/lFH8+1zZwyNqhsqSjAPaH IaOWhK8wYH2CyBhu2lyWNsskMcVGqQJxbIEIebhTzKT3GLfDjpcUILjb8wENSwwWnBd5tiTOh +/Uxx03uW4eREsYwwz6aTu1TMCoPYhw13C2a6PcSweNSTMdwoESrB+PpyjKuM6JTAGjwQZWU1 j3sgTWeZ9GYJPt7wkdnW2vh/KYLBaQS2j9GhksSsqKmgmtMkjEO6hcGgVcfRlOnOMk4UFvmd0 zZyPFQ8q7VE8DT2AcB+khB42JFm0cVA0lPkrgmdvsadhas423aorkUVE+Ss3WRb+22ZaLyX6B FjjNUynyasKLRKNadMVoy3ccxS8v9lXWdGxviGLeVUs/si+6C2P9T0cMhlCVpkk5IhhSj1cr+ Urqo64fne6BpgRZSUg1kidvI+iJa+WM9f0dOnLxZA4f3f2b4Bo9V7Gc3gjLw9zut77vhVFD56 3Fo3nkjiKaHmhzowL7zwxRi9wiH2l3UamzERCn/rJzD0Xvd3/rSShmrHLE5fF5JIoIrKCoId 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:263702 Archived-At: miranda@pulusound.fi writes: Hi Miranda, > i am trying to edit remote files on another macOS system, using > Tramp's ssh: method. i am running `emacs -Q`. > > when i open any file on this remote system, the initial value of > `buffer-file-coding-system` is what i would expect, > i.e. undecided-unix or utf-8-unix, depending on whether the file > contains non-ASCII characters. > > however, after saving the file, `buffer-file-coding-system` suddenly > changes to utf-8-hfs-mac. any subsequent save then changes all the > line endings to CR, which i have not actively used since 2001 or > so... :-) Well, if Tramp detects a remote macOS system, it converts the coding system to `utf-8-hfs-mac', see function `tramp-open-connection-setup-interactive-shell'. This heuristic works for many years w/o complaints from users. We could suppress this. However, Tramp needs an indication when to suppress. Do you have somthing like this? > Emacs 28.2 works as expected. This surprises me. I don't remember we have changed something here in Tramp (but I might be wrong). > best, > miranda Best regards, Michael.