From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.devel Subject: Re: C-x t N Date: Thu, 09 Sep 2021 10:57:09 +0300 Organization: LINKOV.NET Message-ID: <87sfye5joq.fsf@mail.linkov.net> References: <83k0jurtj5.fsf@gnu.org> <87lf49j0ww.fsf@mail.linkov.net> <83v93dr909.fsf@gnu.org> <87bl55ejvz.fsf@igel.home> <83r1e1r4vi.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="27346"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (x86_64-pc-linux-gnu) Cc: Andreas Schwab , emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Sep 09 09:59:40 2021 Return-path: Envelope-to: ged-emacs-devel@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 1mOEyA-0006tR-9j for ged-emacs-devel@m.gmane-mx.org; Thu, 09 Sep 2021 09:59:38 +0200 Original-Received: from localhost ([::1]:36060 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mOEy8-0002Vv-TY for ged-emacs-devel@m.gmane-mx.org; Thu, 09 Sep 2021 03:59:36 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:56438) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mOEwp-0000Hn-QB for emacs-devel@gnu.org; Thu, 09 Sep 2021 03:58:16 -0400 Original-Received: from relay6-d.mail.gandi.net ([217.70.183.198]:55549) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mOEwo-0004Tp-Ee; Thu, 09 Sep 2021 03:58:15 -0400 Original-Received: (Authenticated sender: juri@linkov.net) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id 7B305C001E; Thu, 9 Sep 2021 07:58:11 +0000 (UTC) In-Reply-To: <83r1e1r4vi.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 06 Sep 2021 20:27:45 +0300") Received-SPF: pass client-ip=217.70.183.198; envelope-from=juri@linkov.net; helo=relay6-d.mail.gandi.net X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:274432 Archived-At: >> > Here's the problem: if index = 1 means "the first tab", then -1 which >> > "counts from the end" is not the last one, it's one before that. >> >> If indexes are one-based, then -1 is the last. > > It's the last existing one, but we are adding one more. And adding a > tab at index IDX means all those at IDX and after it move to the right > to free a slot for the new one. But that's not what we do with tabs > in this case. -1 defines the position that the moved tab will have after moving.