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In a buffer, set tab-width to 6. then insert 5 characters, then a literal
tab character (C-q TAB). Now you have a 7 column tab.
--047d7bb04ace582ff60502b08ad1
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<div dir="ltr">In a buffer, set tab-width to 6. then insert 5 characters, then a literal tab character (C-q TAB). Now you have a 7 column tab.</div>
--047d7bb04ace582ff60502b08ad1--
Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.503 (Entity 5.503) Content-Type: text/plain; charset=utf-8 X-Loop: help-debbugs@HIDDEN From: help-debbugs@HIDDEN (GNU bug Tracking System) To: Mario Valencia <mariovalspi@HIDDEN> Subject: bug#18441: Acknowledgement (tab bug) Message-ID: <handler.18441.B.141033215526213.ack <at> debbugs.gnu.org> References: <CA+3HrJU3oy_1onXyt0rYvuSsadM5DdiUG3sB-gpw_d3QfO4GAA@HIDDEN> X-Gnu-PR-Message: ack 18441 X-Gnu-PR-Package: emacs Reply-To: 18441 <at> debbugs.gnu.org Date: Wed, 10 Sep 2014 06:56:02 +0000 Thank you for filing a new bug report with debbugs.gnu.org. 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): bug-gnu-emacs@HIDDEN If you wish to submit further information on this problem, please send it to 18441 <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 18441: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D18441 GNU Bug Tracking System Contact help-debbugs@HIDDEN with problems
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Subject: bug#18441: tab bug
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From: Mario Valencia <mariovalspi@HIDDEN>
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--047d7bfd07767e61360502b0c777
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sorry, this happens in a text-mode buffer with whitespace-mode on. without
whitespace mode it only occupies one column.
2014-09-10 1:55 GMT-05:00 Mario Valencia <mariovalspi@HIDDEN>:
> In a buffer, set tab-width to 6. then insert 5 characters, then a literal
> tab character (C-q TAB). Now you have a 7 column tab.
>
--047d7bfd07767e61360502b0c777
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<div dir=3D"ltr">sorry, this happens in a text-mode buffer with whitespace-=
mode on. without whitespace mode it only occupies one column.</div><div cla=
ss=3D"gmail_extra"><br><div class=3D"gmail_quote">2014-09-10 1:55 GMT-05:00=
Mario Valencia <span dir=3D"ltr"><<a href=3D"mailto:mariovalspi@HIDDEN=
om" target=3D"_blank">mariovalspi@HIDDEN</a>></span>:<br><blockquote =
class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid=
;padding-left:1ex"><div dir=3D"ltr">In a buffer, set tab-width to 6. then i=
nsert 5 characters, then a literal tab character (C-q TAB). Now you have a =
7 column tab.</div>
</blockquote></div><br></div>
--047d7bfd07767e61360502b0c777--
X-Loop: help-debbugs@HIDDEN
Subject: bug#18441: tab bug
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From: Mario Valencia <mariovalspi@HIDDEN>
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well it appears to be a known problem, as commented in the source of
whitespace-mode.
2014-09-10 2:12 GMT-05:00 Mario Valencia <mariovalspi@HIDDEN>:
> sorry, this happens in a text-mode buffer with whitespace-mode on. without
> whitespace mode it only occupies one column.
>
> 2014-09-10 1:55 GMT-05:00 Mario Valencia <mariovalspi@HIDDEN>:
>
>> In a buffer, set tab-width to 6. then insert 5 characters, then a literal
>> tab character (C-q TAB). Now you have a 7 column tab.
>>
>
>
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<div dir=3D"ltr">well it appears to be a known problem, as commented in the=
source of whitespace-mode.=C2=A0</div><div class=3D"gmail_extra"><br><div =
class=3D"gmail_quote">2014-09-10 2:12 GMT-05:00 Mario Valencia <span dir=3D=
"ltr"><<a href=3D"mailto:mariovalspi@HIDDEN" target=3D"_blank">mariov=
alspi@HIDDEN</a>></span>:<br><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=
=3D"ltr">sorry, this happens in a text-mode buffer with whitespace-mode on.=
without whitespace mode it only occupies one column.</div><div class=3D"gm=
ail_extra"><br><div class=3D"gmail_quote">2014-09-10 1:55 GMT-05:00 Mario V=
alencia <span dir=3D"ltr"><<a href=3D"mailto:mariovalspi@HIDDEN" targ=
et=3D"_blank">mariovalspi@HIDDEN</a>></span>:<span class=3D""><br><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #=
ccc solid;padding-left:1ex"><div dir=3D"ltr">In a buffer, set tab-width to =
6. then insert 5 characters, then a literal tab character (C-q TAB). Now yo=
u have a 7 column tab.</div>
</blockquote></span></div><br></div>
</blockquote></div><br></div>
--001a1134d61ce897180502b132be--
X-Loop: help-debbugs@HIDDEN
Subject: bug#18441: tab bug
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From: Marcin Borkowski <mbork@HIDDEN>
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(Mario Valencia's message of "Wed, 10 Sep 2014 02:42:50 -0500")
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On 2014-09-10, at 03:42, Mario Valencia <mariovalspi@HIDDEN> wrote:
> well it appears to be a known problem, as commented in the source of whit=
espace-mode.=20
To be more precise, the comment Mario meant is probably this part of
definition of `whitespace-display-mappings':
--8<---------------cut here---------------start------------->8---
;; WARNING: the mapping below has a problem.
;; When a TAB occupies exactly one column, it will display the
;; character ?\xBB at that column followed by a TAB which goes to
;; the next TAB column.
;; If this is a problem for you, please, comment the line below.
(tab-mark ?\t [?=C2=BB ?\t] [?\\ ?\t]) ; tab - right guillemet
--8<---------------cut here---------------end--------------->8---
Does anyone know why the workaround given there is not turned on by
default? Or maybe it should be made a user option?
Best,
--
mbork
> 2014-09-10 2:12 GMT-05:00 Mario Valencia <mariovalspi@HIDDEN>:
>
>
> sorry, this happens in a text-mode buffer with whitespace-mode on. witho=
ut whitespace mode it only occupies one column.
>
> 2014-09-10 1:55 GMT-05:00 Mario Valencia <mariovalspi@HIDDEN>:
>
>
> In a buffer, set tab-width to 6. then insert 5 characters, then a litera=
l tab character (C-q TAB). Now you have a 7 column tab.
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Subject: bug#18441: whitespace-mode sometimes adds column to tab character
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From: Lars Ingebrigtsen <larsi@HIDDEN>
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Date: Sat, 04 Sep 2021 09:57:33 +0200
In-Reply-To: <87a8myz9fq.fsf@HIDDEN> (Marcin Borkowski's message of "Thu, 18
Feb 2016 09:53:13 +0100")
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Content preview: Marcin Borkowski <mbork@HIDDEN> writes: >> well it appears
to be a known problem, as commented in the source of >> whitespace-mode.
I can confirm that this bug is still present in Emacs 28.
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Marcin Borkowski <mbork@HIDDEN> writes:
>> well it appears to be a known problem, as commented in the source of
>> whitespace-mode.
I can confirm that this bug is still present in Emacs 28.
> To be more precise, the comment Mario meant is probably this part of
> definition of `whitespace-display-mappings':
>
> ;; WARNING: the mapping below has a problem.
> ;; When a TAB occupies exactly one column, it will display the
> ;; character ?\xBB at that column followed by a TAB which goes to
> ;; the next TAB column.
> ;; If this is a problem for you, please, comment the line below.
> (tab-mark ?\t [?=C2=BB ?\t] [?\\ ?\t]) ; tab - right guillemet
>
> Does anyone know why the workaround given there is not turned on by
> default? Or maybe it should be made a user option?
If that mark is removed, then tabs won't be marked specially at all --
only with a background colour, which is presumably not what people want
here...
Looking at the whitespace code, I don't really see any easy way to fix
this -- the buffer display table and tab actions don't match?
--=20
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
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Subject: bug#18441: whitespace-mode sometimes adds column to tab character
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Date: Mon, 02 May 2022 11:48:46 +0200
In-Reply-To: <87y28crcwi.fsf_-_@HIDDEN> (Lars Ingebrigtsen's message of
"Sat, 04 Sep 2021 09:57:33 +0200")
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Content preview: Lars Ingebrigtsen <larsi@HIDDEN> writes: >> To be more
precise,
the comment Mario meant is probably this part of >> definition of
`whitespace-display-mappings':
This looks like a duplicate of 18548, so I've now merged the two bug reports.
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Lars Ingebrigtsen <larsi@HIDDEN> writes:
>> To be more precise, the comment Mario meant is probably this part of
>> definition of `whitespace-display-mappings':
This looks like a duplicate of 18548, so I've now merged the two bug
reports.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
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