From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Documentation of tab-bar-show and friends Date: Mon, 06 Sep 2021 19:00:16 +0300 Message-ID: <83tuixr8xb.fsf@gnu.org> References: <83mtoqrul8.fsf@gnu.org> <874kaxj0qo.fsf@mail.linkov.net> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="23780"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org To: Juri Linkov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Sep 06 18:03:35 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 1mNH5q-0005xU-LS for ged-emacs-devel@m.gmane-mx.org; Mon, 06 Sep 2021 18:03:34 +0200 Original-Received: from localhost ([::1]:47818 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mNH5o-0007Zv-8h for ged-emacs-devel@m.gmane-mx.org; Mon, 06 Sep 2021 12:03:32 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37632) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mNH2s-0004Ap-3e for emacs-devel@gnu.org; Mon, 06 Sep 2021 12:00:30 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:43948) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mNH2r-0000ij-SG; Mon, 06 Sep 2021 12:00:29 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:3101 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mNH2W-0001H3-Tz; Mon, 06 Sep 2021 12:00:21 -0400 In-Reply-To: <874kaxj0qo.fsf@mail.linkov.net> (message from Juri Linkov on Mon, 06 Sep 2021 18:24:15 +0300) 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:274144 Archived-At: > From: Juri Linkov > Cc: emacs-devel@gnu.org > Date: Mon, 06 Sep 2021 18:24:15 +0300 > > > *** The tab bar is frame-local when 'tab-bar-show' is a number. > > Show/hide the tab bar independently for each frame, according to the > > value of 'tab-bar-show'. > > > > What does it mean "frame-local" in this case? Does it mean one should > > use a frame parameter called tab-bar-show? Or does it mean something > > else? > > This means it affects each frame separately. How does it do that? It's a good-faith question: I don't understand how you make that happen, except by using frame parameters. > > Next, the above says "a number", but the doc string of tab-bar-show, > > the defcustom forms, and the manual only describe one value: 1. > > However, the code does: > > > > ((natnump tab-bar-show) > > (if (> (length (funcall tab-bar-tabs-function frame)) tab-bar-show) 1 0)))) > > > > So tab-bar-show can be meaningfully set to a number other than 1. > > This is undocumented, for some reason. Is that intentional? > > Probably no one would want to use a number other than 1. I don't think it's reasonable to second guess what the users would like doing.