From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jean Louis Newsgroups: gmane.emacs.help Subject: set-buffer-major-mode: how to use on buffer without file? Date: Thu, 25 Mar 2021 10:53:36 +0300 Message-ID: Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4669"; mail-complaints-to="usenet@ciao.gmane.io" To: Help GNU Emacs Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Mar 25 08:54:44 2021 Return-path: Envelope-to: geh-help-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 1lPKpH-00017O-RE for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 25 Mar 2021 08:54:43 +0100 Original-Received: from localhost ([::1]:51118 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lPKpG-000104-Rp for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 25 Mar 2021 03:54:42 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:59248) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lPKow-0000zv-Tp for help-gnu-emacs@gnu.org; Thu, 25 Mar 2021 03:54:22 -0400 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:52779) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lPKou-0004hN-Eo for help-gnu-emacs@gnu.org; Thu, 25 Mar 2021 03:54:21 -0400 Original-Received: from localhost ([::ffff:41.202.241.53]) (AUTH: PLAIN securesender, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 000000000001E082.00000000605C418A.00003C8A; Thu, 25 Mar 2021 00:53:45 -0700 Received-SPF: pass client-ip=217.170.207.13; envelope-from=support1@rcdrun.com; helo=stw1.rcdrun.com X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:128549 Archived-At: I would like to set major mode for the buffer which only displays a revision in a buffer without associated file. The buffer name may end with let us say .scm for scheme or .org for Org mode, I would like to invoke the major mode based on the file extension. Maybe `set-buffer-major-mode' is right function? Or maybe some other? Jean