Received: (at 32177) by debbugs.gnu.org; 21 Jul 2018 10:34:10 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat Jul 21 06:34:10 2018 Received: from localhost ([127.0.0.1]:50233 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1fgpDG-0003eP-Ct for submit <at> debbugs.gnu.org; Sat, 21 Jul 2018 06:34:10 -0400 Received: from eggs.gnu.org ([208.118.235.92]:48108) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1fgpDF-0003eD-G3 for 32177 <at> debbugs.gnu.org; Sat, 21 Jul 2018 06:34:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1fgpD7-0007Ek-9b for 32177 <at> debbugs.gnu.org; Sat, 21 Jul 2018 06:34:04 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-0.5 required=5.0 tests=BAYES_05 autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:56291) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1fgpD7-0007Ee-6M; Sat, 21 Jul 2018 06:34:01 -0400 Received: from [176.228.60.248] (port=2207 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from <eliz@HIDDEN>) id 1fgpD6-00038M-86; Sat, 21 Jul 2018 06:34:00 -0400 Date: Sat, 21 Jul 2018 13:34:02 +0300 Message-Id: <838t64zxlx.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: esq@HIDDEN In-reply-to: <83d0vn81nm.fsf@HIDDEN> (message from Eli Zaretskii on Mon, 16 Jul 2018 21:40:29 +0300) Subject: Re: bug#32177: Current line number shifts one column to the left. References: <m24lgz84mr.wl%esq@HIDDEN> <83fu0j82ln.fsf@HIDDEN> <83d0vn81nm.fsf@HIDDEN> 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-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 32177 Cc: 32177 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -6.0 (------) > Date: Mon, 16 Jul 2018 21:40:29 +0300 > From: Eli Zaretskii <eliz@HIDDEN> > Cc: 32177 <at> debbugs.gnu.org > > > Date: Mon, 16 Jul 2018 21:20:04 +0300 > > From: Eli Zaretskii <eliz@HIDDEN> > > Cc: 32177 <at> debbugs.gnu.org > > > > In any case, I cannot reproduce this here, not in "emacs -Q", not on > > master and not on the emacs-26 branch. > > I succeeded in reproducing this, but only if I enlarge the frame so it > is taller than the default. And I no longer can reproduce this, so a more reliable recipe is needed. Thanks.
bug-gnu-emacs@HIDDEN:bug#32177; Package emacs.
Full text available.Received: (at 32177) by debbugs.gnu.org; 17 Jul 2018 02:30:38 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Jul 16 22:30:38 2018 Received: from localhost ([127.0.0.1]:44297 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1ffFl6-0005ab-DY for submit <at> debbugs.gnu.org; Mon, 16 Jul 2018 22:30:38 -0400 Received: from eggs.gnu.org ([208.118.235.92]:54350) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1ffFl4-0005aN-IA for 32177 <at> debbugs.gnu.org; Mon, 16 Jul 2018 22:30:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1ffFku-0000S9-JZ for 32177 <at> debbugs.gnu.org; Mon, 16 Jul 2018 22:30:29 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=BAYES_20 autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:58940) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1ffFku-0000S5-Ey; Mon, 16 Jul 2018 22:30:24 -0400 Received: from [176.228.60.248] (port=4542 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from <eliz@HIDDEN>) id 1ffFkt-0004m7-R4; Mon, 16 Jul 2018 22:30:24 -0400 Date: Tue, 17 Jul 2018 05:30:34 +0300 Message-Id: <8336wi8ugl.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Keith David Bershatsky <esq@HIDDEN> In-reply-to: <m21sc2c45c.wl%esq@HIDDEN> (message from Keith David Bershatsky on Mon, 16 Jul 2018 13:33:03 -0700) Subject: Re: bug#32177: Current line number shifts one column to the left. References: <m21sc2c45c.wl%esq@HIDDEN> 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-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 32177 Cc: 32177 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -6.0 (------) > Date: Mon, 16 Jul 2018 13:33:03 -0700 > From: Keith David Bershatsky <esq@HIDDEN> > Cc: 32177 <at> debbugs.gnu.org > > Although it is not often very that I need to inspect the undo-tree history file, setting bidi-display-reordering to a nil value of t gives a tremendous enhancement to movements within that buffer. Without setting bidi-display-reordering to nil, movements with arrow keys up/down and so forth is unbearably s-l-o-w. Occasionally, I have to inspect the desktop save file and that too has some very long lines where I think setting bidi-display-reordering may help. Here is a little snippet written by Noam Postavsky that produces a line matching the format of the undo-tree history file. You should know that setting that variable to nil is not supported, so you are playing with fire, that's all.
bug-gnu-emacs@HIDDEN:bug#32177; Package emacs.
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Date: Mon, 16 Jul 2018 13:33:03 -0700
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From: Keith David Bershatsky <esq@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#32177: Current line number shifts one column to the left.
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Thank you, Eli, for looking into issue #32177. I was happy to hear that you were eventually able to reproduce the bug on your end.
I was able to reproduce the issue on my end with bidi-display-reordering set to a non-nil value of t, but it will take some time to come up with an emacs -Q recipe.
Although it is not often very that I need to inspect the undo-tree history file, setting bidi-display-reordering to a nil value of t gives a tremendous enhancement to movements within that buffer. Without setting bidi-display-reordering to nil, movements with arrow keys up/down and so forth is unbearably s-l-o-w. Occasionally, I have to inspect the desktop save file and that too has some very long lines where I think setting bidi-display-reordering may help. Here is a little snippet written by Noam Postavsky that produces a line matching the format of the undo-tree history file.
(require 'cl-lib)
(defun make-deep-object (depth)
(let ((obj 1))
(while (> (cl-decf depth) 0)
(setq obj (vector (list obj))))
obj))
(setq print-circle t)
(let ((buf (get-buffer-create "*test*")))
(with-current-buffer buf
(insert (prin1-to-string (make-deep-object 4964))))
(switch-to-buffer buf))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
DATE: [07-16-2018 11:20:04] <16 Jul 2018 21:20:04 +0300>
FROM: Eli Zaretskii <eliz@HIDDEN>
>
> * * *
>
> Why did you need to turn off bidi-display-reordering? Does the
> problem go away when you don't do that?
bug-gnu-emacs@HIDDEN:bug#32177; Package emacs.
Full text available.Received: (at 32177) by debbugs.gnu.org; 16 Jul 2018 18:40:31 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Jul 16 14:40:31 2018 Received: from localhost ([127.0.0.1]:44033 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1ff8QB-0005Hi-AS for submit <at> debbugs.gnu.org; Mon, 16 Jul 2018 14:40:31 -0400 Received: from eggs.gnu.org ([208.118.235.92]:57688) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1ff8QA-0005HU-7j for 32177 <at> debbugs.gnu.org; Mon, 16 Jul 2018 14:40:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1ff8Q1-0004SL-Of for 32177 <at> debbugs.gnu.org; Mon, 16 Jul 2018 14:40:24 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-0.5 required=5.0 tests=BAYES_05 autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:51751) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1ff8Q1-0004Rh-EC; Mon, 16 Jul 2018 14:40:21 -0400 Received: from [176.228.60.248] (port=3641 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from <eliz@HIDDEN>) id 1ff8Q0-0003lD-PQ; Mon, 16 Jul 2018 14:40:21 -0400 Date: Mon, 16 Jul 2018 21:40:29 +0300 Message-Id: <83d0vn81nm.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: esq@HIDDEN In-reply-to: <83fu0j82ln.fsf@HIDDEN> (message from Eli Zaretskii on Mon, 16 Jul 2018 21:20:04 +0300) Subject: Re: bug#32177: Current line number shifts one column to the left. References: <m24lgz84mr.wl%esq@HIDDEN> <83fu0j82ln.fsf@HIDDEN> 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-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 32177 Cc: 32177 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -6.0 (------) > Date: Mon, 16 Jul 2018 21:20:04 +0300 > From: Eli Zaretskii <eliz@HIDDEN> > Cc: 32177 <at> debbugs.gnu.org > > In any case, I cannot reproduce this here, not in "emacs -Q", not on > master and not on the emacs-26 branch. I succeeded in reproducing this, but only if I enlarge the frame so it is taller than the default.
bug-gnu-emacs@HIDDEN:bug#32177; Package emacs.
Full text available.Received: (at 32177) by debbugs.gnu.org; 16 Jul 2018 18:20:07 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Jul 16 14:20:07 2018 Received: from localhost ([127.0.0.1]:44023 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1ff86R-0004jw-A5 for submit <at> debbugs.gnu.org; Mon, 16 Jul 2018 14:20:07 -0400 Received: from eggs.gnu.org ([208.118.235.92]:52346) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1ff86P-0004jF-4w for 32177 <at> debbugs.gnu.org; Mon, 16 Jul 2018 14:20:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1ff86G-0003no-SG for 32177 <at> debbugs.gnu.org; Mon, 16 Jul 2018 14:19:59 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=BAYES_20 autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:51393) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1ff86G-0003nj-Ol; Mon, 16 Jul 2018 14:19:56 -0400 Received: from [176.228.60.248] (port=2316 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from <eliz@HIDDEN>) id 1ff86G-0004wF-9o; Mon, 16 Jul 2018 14:19:56 -0400 Date: Mon, 16 Jul 2018 21:20:04 +0300 Message-Id: <83fu0j82ln.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Keith David Bershatsky <esq@HIDDEN> In-reply-to: <m24lgz84mr.wl%esq@HIDDEN> (message from Keith David Bershatsky on Mon, 16 Jul 2018 10:36:12 -0700) Subject: Re: bug#32177: Current line number shifts one column to the left. References: <m24lgz84mr.wl%esq@HIDDEN> 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-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 32177 Cc: 32177 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -6.0 (------) > Date: Mon, 16 Jul 2018 10:36:12 -0700 > From: Keith David Bershatsky <esq@HIDDEN> > > 1. Launch a newly built GUI version of Emacs master branch (07/16/2018). > > 2. WINDOWS XP -- GUI Emacs: From the *GNU Emacs* welcome screen, type M-: and evaluate the following: > > (progn > (switch-to-buffer (get-buffer-create "foo")) > (setq header-line-format "foo") > (display-line-numbers-mode 1) > (setq bidi-display-reordering nil) > (dotimes (i 57) > (insert "\n")) > (recenter 1) > (sit-for 1) > (insert "@")) > > [OR] > > 2. OSX 10.6.8 GUI Emacs: From the *GNU Emacs* welcome screen, type M-: and evaluate the following: > > (progn > (switch-to-buffer (get-buffer-create "foo")) > (setq header-line-format "foo") > (display-line-numbers-mode 1) > (setq bidi-display-reordering nil) > (dotimes (i 50) > (insert "\n")) > (recenter 1) > (sit-for 1) > (insert "@")) > > 3. Observe that line number 58 (on Windows XP), or line number 51 (on OSX 10.6.8), shifts one column to the left of where it should be. Here is a link to a screenshot depicting the bug with both versions of Emacs (Windows / OSX): > > https://www.lawlist.com/images/bug_07_16_2018.png Actually, the screenshot shows that line number 57 is to the right of where it should have been. In any case, I cannot reproduce this here, not in "emacs -Q", not on master and not on the emacs-26 branch. Why did you need to turn off bidi-display-reordering? Does the problem go away when you don't do that?
bug-gnu-emacs@HIDDEN:bug#32177; Package emacs.
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Subject: Current line number shifts one column to the left.
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1. Launch a newly built GUI version of Emacs master branch (07/16/2018).
2. WINDOWS XP -- GUI Emacs: From the *GNU Emacs* welcome screen, type M-: and evaluate the following:
(progn
(switch-to-buffer (get-buffer-create "foo"))
(setq header-line-format "foo")
(display-line-numbers-mode 1)
(setq bidi-display-reordering nil)
(dotimes (i 57)
(insert "\n"))
(recenter 1)
(sit-for 1)
(insert "@"))
[OR]
2. OSX 10.6.8 GUI Emacs: From the *GNU Emacs* welcome screen, type M-: and evaluate the following:
(progn
(switch-to-buffer (get-buffer-create "foo"))
(setq header-line-format "foo")
(display-line-numbers-mode 1)
(setq bidi-display-reordering nil)
(dotimes (i 50)
(insert "\n"))
(recenter 1)
(sit-for 1)
(insert "@"))
3. Observe that line number 58 (on Windows XP), or line number 51 (on OSX 10.6.8), shifts one column to the left of where it should be. Here is a link to a screenshot depicting the bug with both versions of Emacs (Windows / OSX):
https://www.lawlist.com/images/bug_07_16_2018.png
A modification of the current line is necessary to reproduce this bug. In my case, I notice the bug a few times each day when I place an overlay on the current line. The bug is rather elusive and requires just the right circumstances to see it happen. For example, if I _first_ kill the *GNU Emacs* buffer, then the code above in Step #2 is insufficient to reproduce the bug.
On OSX 10.6.8, my build configuration is:
CFLAGS='-O0 -g3' ./configure \
--with-ns \
--enable-checking='yes,glyphs' \
--enable-check-lisp-object-type \
--without-compress-install \
--without-makeinfo \
--with-gnutls=no \
--with-mailutils \
--without-makeinfo
On Windows XP, my build configuration is:
CFLAGS='-O0 -g3' ./configure \
--prefix=/c/docume~1/admini~1/desktop/trunk \
--enable-checking='yes,glyphs' \
--enable-check-lisp-object-type \
--without-compress-install \
--without-makeinfo \
--with-gnutls=no \
--with-mailutils \
--without-makeinfo
Keith David Bershatsky <esq@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#32177; Package emacs.
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