From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#32848: 26.1; follow-mode cursor move breaks with frame-resize-pixelwise Date: Mon, 15 Oct 2018 18:07:55 +0300 Message-ID: <831s8rtfhw.fsf@gnu.org> References: <83k1n45onn.fsf@gnu.org> <20180929202545.GE5008@ACM> <83efdb5z73.fsf@gnu.org> <8336tr5j6j.fsf@gnu.org> <20180930121618.GB6305@ACM> <83sh1r3zz9.fsf@gnu.org> <20180930140921.GD6305@ACM> <83mury53a9.fsf@gnu.org> <20181001123336.GB5947@ACM> <8336tp4w3y.fsf@gnu.org> <20181015092341.GA5623@ACM> NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1539616033 28543 195.159.176.226 (15 Oct 2018 15:07:13 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 15 Oct 2018 15:07:13 +0000 (UTC) Cc: 32848@debbugs.gnu.org, andlind@gmail.com, darkfeline@felesatra.moe To: Alan Mackenzie Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Oct 15 17:07:08 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1gC4Sa-0007I2-Bt for geb-bug-gnu-emacs@m.gmane.org; Mon, 15 Oct 2018 17:07:08 +0200 Original-Received: from localhost ([::1]:52755 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gC4Ug-0007sU-E6 for geb-bug-gnu-emacs@m.gmane.org; Mon, 15 Oct 2018 11:09:18 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:35966) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gC4UV-0007s8-JQ for bug-gnu-emacs@gnu.org; Mon, 15 Oct 2018 11:09:13 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gC4UQ-0003oZ-4i for bug-gnu-emacs@gnu.org; Mon, 15 Oct 2018 11:09:07 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:46687) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gC4UQ-0003oR-0u for bug-gnu-emacs@gnu.org; Mon, 15 Oct 2018 11:09:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gC4UP-0006H0-Rn for bug-gnu-emacs@gnu.org; Mon, 15 Oct 2018 11:09:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 15 Oct 2018 15:09:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 32848 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 32848-submit@debbugs.gnu.org id=B32848.153961609124042 (code B ref 32848); Mon, 15 Oct 2018 15:09:01 +0000 Original-Received: (at 32848) by debbugs.gnu.org; 15 Oct 2018 15:08:11 +0000 Original-Received: from localhost ([127.0.0.1]:50944 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gC4Ta-0006Fh-SH for submit@debbugs.gnu.org; Mon, 15 Oct 2018 11:08:11 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:54318) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gC4TZ-0006FT-1F for 32848@debbugs.gnu.org; Mon, 15 Oct 2018 11:08:09 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gC4TP-0003Ns-Sp for 32848@debbugs.gnu.org; Mon, 15 Oct 2018 11:08:03 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:43450) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gC4TC-0003HV-14; Mon, 15 Oct 2018 11:07:46 -0400 Original-Received: from [176.228.60.248] (port=1500 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1gC4TB-0002r1-Iv; Mon, 15 Oct 2018 11:07:45 -0400 In-reply-to: <20181015092341.GA5623@ACM> (message from Alan Mackenzie on Mon, 15 Oct 2018 09:23:41 +0000) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:151270 Archived-At: > Date: Mon, 15 Oct 2018 09:23:41 +0000 > Cc: 32848@debbugs.gnu.org, andlind@gmail.com, darkfeline@felesatra.moe > From: Alan Mackenzie > > > Did you try a buffer whose first line is very tall, taller than the > > window? > > I've tried a few ways of getting such a window, but without luck. Emacs > is very good at making sure a window is no smaller than one line tall. > ;-) > > Is it possible to create such a line in a window, probably with lisp? It's possible and even very easy. Here's one way: emacs -Q C-x 2 C-u 12 M-x shrink-window RET C-x C-+ + + + + + .... Continue pressing "+" until the cursor becomes taller than the window, and you are done. Another way is to insert a tall image and see what happens with that. > Or was your question more a prompt to me to handle this unlikely > situation gracefully? It was a good-faith question, this stuff always needs to be tested in such extreme situations.