From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Proposal: new mode-line `%'-construct %o meaning "Degree of travel of window through buffer". Date: Thu, 18 May 2017 23:25:58 +0300 Message-ID: <83lgpt52uh.fsf@gnu.org> References: <20170515204416.GA7349@acm.fritz.box> <20170517211552.2a4dab7e@jabberwock.cb.piermont.com> <8360gy6b5y.fsf@gnu.org> <20170518120116.161c1098@jabberwock.cb.piermont.com> <83r2zm3zqz.fsf@gnu.org> <20170518124541.4cce1567@jabberwock.cb.piermont.com> <83pof63q9f.fsf@gnu.org> <20170518161304.456e6dce@jabberwock.cb.piermont.com> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1495139276 15793 195.159.176.226 (18 May 2017 20:27:56 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 18 May 2017 20:27:56 +0000 (UTC) Cc: acm@muc.de, npostavs@users.sourceforge.net, emacs-devel@gnu.org To: "Perry E. Metzger" Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu May 18 22:27:52 2017 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dBS1W-0003zo-68 for ged-emacs-devel@m.gmane.org; Thu, 18 May 2017 22:27:50 +0200 Original-Received: from localhost ([::1]:55386 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dBS1b-0007fI-Lp for ged-emacs-devel@m.gmane.org; Thu, 18 May 2017 16:27:55 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:41936) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dBS06-0007B7-PW for emacs-devel@gnu.org; Thu, 18 May 2017 16:26:24 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dBS02-0002Ar-M8 for emacs-devel@gnu.org; Thu, 18 May 2017 16:26:22 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:57926) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dBRzq-00027t-I4; Thu, 18 May 2017 16:26:06 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:2824 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1dBRzp-0003nS-Mz; Thu, 18 May 2017 16:26:06 -0400 In-reply-to: <20170518161304.456e6dce@jabberwock.cb.piermont.com> (perry@piermont.com) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:214961 Archived-At: > Date: Thu, 18 May 2017 16:13:04 -0400 > From: "Perry E. Metzger" > Cc: acm@muc.de, emacs-devel@gnu.org, npostavs@users.sourceforge.net > > Perhaps I don't understand the difference. I thought that > mode-line-format required that I specify the entire mode line from > scratch, while I'm just proposing that if a particular function is > bound that %p would override its method of calculating this one > value. Am I mistaken on the former matter? Yes, I think you are mistaken. See bindings.el, the mode line already has quite a few variables that together create the display. This feature will add another variable, or reuse an existing one. That variable can be computed using :eval.