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Subject: bug#4318: 23.1; trouble indenting looooong lines with visual-line-mode
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From: Allan Gottlieb <gottlieb@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Date: Wed, 02 Sep 2009 10:13:28 -0400
Message-ID: <yu9ocptv3hz.fsf@HIDDEN>
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Please write in English if possible, because the Emacs maintainers
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Your bug report will be posted to the bug-gnu-emacs@HIDDEN mailing list,
and to the gnu.emacs.bug news group.
Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:
Start with emacs -Q and a buffer in fundamental mode
Consider a line wider than the frame, for example
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
which exceeds an 80 column frame.
Now assume you have a short line say
yyyy
followed by the above long line, i.e.
yyyy
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
So far so good. Now indent the long line with say one space.
If visual-line-mode is OFF, I see what I expect, the long line is
preceded by one space.
But with visual-line-mode ON, a blank line appears on the screen between
the short and long lines, i.e. the long line (with only one word) was
wrapped.
This behavior seems wrong.
I realize the blank line is not in the file, but believe the on-screen
image is misleading or at least annoying.
Thanks for emacs.
allan <gottlieb@HIDDEN>
If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
`bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
/usr/share/emacs/23.1/etc/DEBUG for instructions.
In GNU Emacs 23.1.1 (i686-pc-linux-gnu, GTK+ Version 2.14.7)
of 2009-08-17 on ajglap
Windowing system distributor `The X.Org Foundation', version 11.0.10503000
configured using `configure '--prefix=/usr' '--build=i686-pc-linux-gnu' '--host=i686-pc-linux-gnu' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--datadir=/usr/share' '--sysconfdir=/etc' '--localstatedir=/var/lib' '--program-suffix=-emacs-23' '--infodir=/usr/share/info/emacs-23' '--with-sound' '--with-x' '--with-toolkit-scroll-bars' '--with-gif' '--with-jpeg' '--with-png' '--without-rsvg' '--with-tiff' '--with-xpm' '--with-xft' '--without-libotf' '--without-m17n-flt' '--with-x-toolkit=gtk' '--without-hesiod' '--without-kerberos' '--without-kerberos5' '--with-gpm' '--with-dbus' 'build_alias=i686-pc-linux-gnu' 'host_alias=i686-pc-linux-gnu' 'CFLAGS=-O2 -march=prescott -pipe' 'LDFLAGS=-Wl,-O1''
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Recent input:
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Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.427 (Entity 5.427) Content-Type: text/plain; charset=utf-8 X-Loop: owner@HIDDEN From: help-debbugs@HIDDEN (Emacs bug Tracking System) To: Allan Gottlieb <gottlieb@HIDDEN> Subject: bug#4318: Acknowledgement (23.1; trouble indenting looooong lines with visual-line-mode) Message-ID: <handler.4318.B.125190082531131.ack@HIDDEN> References: <yu9ocptv3hz.fsf@HIDDEN> X-Emacs-PR-Message: ack 4318 X-Emacs-PR-Package: emacs Reply-To: 4318 <at> debbugs.gnu.org Date: Wed, 02 Sep 2009 14:20:04 +0000 Thank you for filing a new bug report with Emacs. This is an automatically generated reply to let you know your message has been received. Your message is being forwarded to the package maintainers and other interested parties for their attention; they will reply in due course. Your message has been sent to the package maintainer(s): Emacs Bugs <bug-gnu-emacs@HIDDEN> If you wish to submit further information on this problem, please send it to 4318 <at> debbugs.gnu.org. Please do not send mail to help-debbugs@HIDDEN unless you wish to report a problem with the Bug-tracking system. --=20 4318: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D4318 Emacs Bug Tracking System Contact help-debbugs@HIDDEN with problems
X-Loop: help-debbugs@HIDDEN
Subject: bug#4318: 23.1; trouble indenting looooong lines with visual-line-mode
Resent-From: Lars Magne Ingebrigtsen <larsi@HIDDEN>
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From: Lars Magne Ingebrigtsen <larsi@HIDDEN>
In-Reply-To: <yu9ocptv3hz.fsf@HIDDEN> (Allan Gottlieb's message of "Wed, 02
Sep 2009 10:13:28 -0400")
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Allan Gottlieb <gottlieb@HIDDEN> writes:
> yyyy
> xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> So far so good. Now indent the long line with say one space.
> If visual-line-mode is OFF, I see what I expect, the long line is
> preceded by one space.
>
> But with visual-line-mode ON, a blank line appears on the screen between
> the short and long lines, i.e. the long line (with only one word) was
> wrapped.
> This behavior seems wrong.
I can confirm this behaviour in Emacs 24.
The problem seems to be that `visual-line-mode' breaks long lines after
any white space -- even if the white space begins the line. That
doesn't seem optimal, I think.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog http://lars.ingebrigtsen.no/
Received: (at control) by debbugs.gnu.org; 17 Sep 2011 07:31:34 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat Sep 17 03:31:34 2011 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1R4pN6-0002Ai-P1 for submit <at> debbugs.gnu.org; Sat, 17 Sep 2011 03:31:33 -0400 Received: from hermes.netfonds.no ([80.91.224.195]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from <larsi@HIDDEN>) id 1R4pN4-0002Ab-Ey for control <at> debbugs.gnu.org; Sat, 17 Sep 2011 03:31:31 -0400 Received: from cm-84.215.51.58.getinternet.no ([84.215.51.58] helo=stories.gnus.org) by hermes.netfonds.no with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from <larsi@HIDDEN>) id 1R4pIK-0004cx-4I for control <at> debbugs.gnu.org; Sat, 17 Sep 2011 09:26:36 +0200 Date: Sat, 17 Sep 2011 09:23:17 +0200 Message-Id: <m3aaa3aaze.fsf@HIDDEN> To: control <at> debbugs.gnu.org From: Lars Magne Ingebrigtsen <larsi@HIDDEN> Subject: control message for bug #4318 X-MailScanner-ID: 1R4pIK-0004cx-4I X-Netfonds-MailScanner: Found to be clean X-Netfonds-MailScanner-From: larsi@HIDDEN MailScanner-NULL-Check: 1316849196.48613@yQSjfi8ntrKMclnXkE2vkg X-Spam-Status: No X-Spam-Score: -2.7 (--) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <http://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <http://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: <http://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Sender: debbugs-submit-bounces <at> debbugs.gnu.org Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org X-Spam-Score: -2.7 (--) tags 4318 confirmed
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Subject: bug#4318: 23.1; trouble indenting looooong lines with visual-line-mode
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> From: Lars Magne Ingebrigtsen <larsi@HIDDEN>
> Date: Sat, 17 Sep 2011 09:23:14 +0200
> Cc: 4318 <at> debbugs.gnu.org
>
> Allan Gottlieb <gottlieb@HIDDEN> writes:
>
> > yyyy
> > xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >
> > So far so good. Now indent the long line with say one space.
> > If visual-line-mode is OFF, I see what I expect, the long line is
> > preceded by one space.
> >
> > But with visual-line-mode ON, a blank line appears on the screen between
> > the short and long lines, i.e. the long line (with only one word) was
> > wrapped.
> > This behavior seems wrong.
>
> I can confirm this behaviour in Emacs 24.
>
> The problem seems to be that `visual-line-mode' breaks long lines after
> any white space -- even if the white space begins the line. That
> doesn't seem optimal, I think.
The extra line stands for the space that is not shown. If you place
the cursor on that "empty line" and type "C-x =", you will see that
point is before the space character, not before newline.
So I think visual-line-mode (a.k.a. "word wrap") behaves correctly.
Doing what the OP asks for would also have undesirable side effects,
albeit different ones. E.g., adding some non-white character at the
beginning of that line will suddenly and mysteriously move the
"xxxx..." part one line down.
And that's even before I consider the potential complications of the
code, which already tracks the word wrap mode with no less than 12
state variables...
My recommendation is to close this bug as "won't fix".
X-Loop: help-debbugs@HIDDEN
Subject: bug#4318: 23.1; trouble indenting looooong lines with visual-line-mode
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From: Lars Magne Ingebrigtsen <larsi@HIDDEN>
In-Reply-To: <83ty8btshc.fsf@HIDDEN> (Eli Zaretskii's message of "Sat, 17 Sep
2011 12:42:39 +0300")
Date: Sun, 18 Sep 2011 09:56:40 +0200
Message-ID: <m3ty8a1dxj.fsf@HIDDEN>
References: <yu9ocptv3hz.fsf@HIDDEN> <m3boujaazh.fsf@HIDDEN>
<83ty8btshc.fsf@HIDDEN>
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Eli Zaretskii <eliz@HIDDEN> writes:
> The extra line stands for the space that is not shown. If you place
> the cursor on that "empty line" and type "C-x =", you will see that
> point is before the space character, not before newline.
>
> So I think visual-line-mode (a.k.a. "word wrap") behaves correctly.
> Doing what the OP asks for would also have undesirable side effects,
> albeit different ones. E.g., adding some non-white character at the
> beginning of that line will suddenly and mysteriously move the
> "xxxx..." part one line down.
I think that's probably desired.
The point of `visual-line-mode' is to (visually) do word wrap between
words to keep lines short(ish). Folding before there even has been a
word looks odd to me.
On the other hand, it does make the lines visually shorter, so it's
debatable...
> And that's even before I consider the potential complications of the
> code, which already tracks the word wrap mode with no less than 12
> state variables...
:-)
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog http://lars.ingebrigtsen.no/
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Subject: bug#4318: 23.1; trouble indenting looooong lines with visual-line-mode
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References: <yu9ocptv3hz.fsf@HIDDEN> <m3boujaazh.fsf@HIDDEN>
<83ty8btshc.fsf@HIDDEN>
Date: Sun, 18 Sep 2011 11:26:16 -0400
In-Reply-To: <83ty8btshc.fsf@HIDDEN> (Eli Zaretskii's message of "Sat, 17 Sep
2011 12:42:39 +0300")
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Eli Zaretskii <eliz@HIDDEN> writes:
>> The problem seems to be that `visual-line-mode' breaks long lines after
>> any white space -- even if the white space begins the line. That
>> doesn't seem optimal, I think.
>
> The extra line stands for the space that is not shown. If you place
> the cursor on that "empty line" and type "C-x =", you will see that
> point is before the space character, not before newline.
>
> So I think visual-line-mode (a.k.a. "word wrap") behaves correctly.
It's different from what other word-wrapping editors do, so I think this
should be considered a bug.
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--001a11c3888e3750490526ed93fb
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Hello,
we just started to work on this issue, if you have any tips or advices that
aren't in the report yet about how to solve it, they are welcome.
Thanks in advance.
Cheers
-GMNT
--001a11c3888e3750490526ed93fb
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<div dir=3D"ltr"><div><div><div><div>Hello, <br>we just started to work on =
this issue, if you have any tips or advices that aren't in the report y=
et about how to solve it, they are welcome.<br></div><br></div>Thanks in ad=
vance.<br></div>Cheers<br></div><br>-GMNT<br></div>
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