From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Emacs terminology (not again!?) Date: Sat, 18 Jan 2014 13:53:38 +0200 Message-ID: <83mwitjykd.fsf@gnu.org> References: <877gact76s.fsf@gnu.org> <34c8c13b-c5c6-4e5a-9248-b09d5d1936da@default> <87eh4hkq6c.fsf@fencepost.gnu.org> <52D9E005.6030509@dancol.org> <52D9EEDD.9060109@dancol.org> <83wqhxk7sm.fsf@gnu.org> <874n51y8i6.fsf@fencepost.gnu.org> <83ppnpk1dn.fsf@gnu.org> <87r485wo3i.fsf@fencepost.gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1390046031 28909 80.91.229.3 (18 Jan 2014 11:53:51 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 18 Jan 2014 11:53:51 +0000 (UTC) Cc: emacs-devel@gnu.org To: David Kastrup Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Jan 18 12:53:58 2014 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1W4UTN-0003xS-T3 for ged-emacs-devel@m.gmane.org; Sat, 18 Jan 2014 12:53:58 +0100 Original-Received: from localhost ([::1]:42098 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W4UTN-0003ug-IR for ged-emacs-devel@m.gmane.org; Sat, 18 Jan 2014 06:53:57 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:45033) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W4UTF-0003th-TP for emacs-devel@gnu.org; Sat, 18 Jan 2014 06:53:55 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W4UT9-0000sk-Um for emacs-devel@gnu.org; Sat, 18 Jan 2014 06:53:49 -0500 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:37044) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W4UT3-0000sG-Fx; Sat, 18 Jan 2014 06:53:37 -0500 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0MZL00200HQ8WV00@a-mtaout22.012.net.il>; Sat, 18 Jan 2014 13:53:36 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MZL002XCIDBW230@a-mtaout22.012.net.il>; Sat, 18 Jan 2014 13:53:36 +0200 (IST) In-reply-to: <87r485wo3i.fsf@fencepost.gnu.org> X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 X-Received-From: 80.179.55.172 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:168668 Archived-At: > From: David Kastrup > Cc: emacs-devel@gnu.org > Date: Sat, 18 Jan 2014 12:01:21 +0100 > > >> There is no concept of a "window start" in terms of a text position > >> that can move away from point > > > > A window start is just a buffer position, so I'm not following your > > argument here. > > > >> and no real way to implement that. > > > > ??? Why not? Perhaps you mean no way to implement that easily, or > > maybe in Lisp alone. > > If the task is "let the window start with the given buffer position even > if this makes point go off-screen", a reasonably simple task > description, window-vscroll does not seem like a useful tool for that. Maybe not. I'm just saying that there's no relation between point and window-start that is somehow hardcoded in the design. I'm also saying that window-vscroll and its supporting code is evidence how we can show stuff on screen without showing point.