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From: Lars Ingebrigtsen <larsi@HIDDEN>
To: "Sebastien Vauban" <sva-news@HIDDEN>
Subject: Re: bug#16177: 24.3.50; Display glyphs for hard spaces in color
References: <86y53j1sq9.fsf@HIDDEN>
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Date: Sun, 30 May 2021 07:39:19 +0200
In-Reply-To: <86y53j1sq9.fsf@HIDDEN> (Sebastien Vauban's message of
"Tue, 17 Dec 2013 15:01:50 +0100")
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Content preview: "Sebastien Vauban" <sva-news@HIDDEN> writes: > well
between quotes »... > > Before "high punctuation symbols" (such as ! and
?), it is a "common" nbsp > (00A0): Hello ! How are you ? > > Problem #1:
> > To get hard spaces (aka nbsp) highlig [...]
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"Sebastien Vauban" <sva-news@HIDDEN> writes:
> well between quotes=E2=80=AF=C2=BB...
>
> Before "high punctuation symbols" (such as ! and ?), it is a "common" nbsp
> (00A0): Hello=C2=A0! How are you=C2=A0?
>
> Problem #1:
>
> To get hard spaces (aka nbsp) highlighted, you need to add `spaces' to
> `whitespace-style':
[...]
> Narrow nbsp aren't highlighted.
(I'm going through old bug reports that unfortunately got little response at
the time.)
I guess this is a feature request to have whitespace-mode being able to
emphasise the space characters that aren't the normal ASCII space
separately. That (surprisingly enough) doesn't seem to be an option?
And, indeed, whitespace-mode only knows about SPACE and NO-BREAK SPACE,
and none of the other space characters.
So I think a new whitespace-style should be added -- like `other-space',
for all the spaces that aren't SPACE.
However, the original impetus for doing this may be somewhat lessened by
Emacs now defaulting to highlighting other spaces in a different way by
default -- even without whitespace-mode.
--=20
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
bug-gnu-emacs@HIDDEN:bug#16177; Package emacs.
Full text available.Received: (at 16177) by debbugs.gnu.org; 17 Dec 2013 15:31:08 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Dec 17 10:31:08 2013 Received: from localhost ([127.0.0.1]:55916 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1Vswc0-0005E7-1Z for submit <at> debbugs.gnu.org; Tue, 17 Dec 2013 10:31:08 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:26367) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from <drew.adams@HIDDEN>) id 1Vswbx-0005Dy-IF for 16177 <at> debbugs.gnu.org; Tue, 17 Dec 2013 10:31:06 -0500 Received: from acsinet21.oracle.com (acsinet21.oracle.com [141.146.126.237]) by userp1040.oracle.com (Sentrion-MTA-4.3.1/Sentrion-MTA-4.3.1) with ESMTP id rBHFV36K011216 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 17 Dec 2013 15:31:04 GMT Received: from aserz7021.oracle.com (aserz7021.oracle.com [141.146.126.230]) by acsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id rBHFV2o3002971 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 17 Dec 2013 15:31:02 GMT Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by aserz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id rBHFV2Cm002960; Tue, 17 Dec 2013 15:31:02 GMT MIME-Version: 1.0 Message-ID: <687ef89d-6a1d-4630-b596-682513eed4ea@default> Date: Tue, 17 Dec 2013 07:31:01 -0800 (PST) From: Drew Adams <drew.adams@HIDDEN> To: Sebastien Vauban <sva-news@HIDDEN>, 16177 <at> debbugs.gnu.org Subject: RE: bug#16177: 24.3.50; Display glyphs for hard spaces in color References: <86y53j1sq9.fsf@HIDDEN> In-Reply-To: <86y53j1sq9.fsf@HIDDEN> X-Priority: 3 X-Mailer: Oracle Beehive Extensions for Outlook 2.0.1.8 (707110) [OL 12.0.6680.5000 (x86)] Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Source-IP: acsinet21.oracle.com [141.146.126.237] X-Spam-Score: -2.8 (--) X-Debbugs-Envelope-To: 16177 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.15 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> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -2.8 (--) FWIW - http://www.emacswiki.org/emacs-en/download/highlight-chars.el http://www.emacswiki.org/emacs/ShowWhiteSpace#toc2 From the Commentary, this description of what vanilla Emacs offers: ;; Vanilla Emacs can itself highlight hard spaces and hard hyphens, ;; and it does so whenever `nobreak-char-display' is non-nil, which it ;; is by default. By "hard" space and hyphen I mean "no-break" or ;; non-breaking. These are the non-ASCII Unicode characters with code ;; points 160 (#xa0) and 8209 (#x2011), respectively. ;; ;; This low-level vanilla Emacs highlighting does not use Font Lock ;; mode, and it cannot highlight only one of these characters and not ;; the other. ;; ;; See standard library `whitespace.el' for other ways to highlight ;; whitespace characters. It does some things similar to what ;; `highlight-chars.el' does, plus other, unrelated things. As its ;; name suggests, its effects are limited to whitespace characters. ;; It is also somewhat complicated to use (10 faces, 24 options!)... ;; ;; Besides being simpler, I think that `highlight-chars.el' has an ;; advantage of letting you easily highlight ONLY particular ;; whitespace characters. `whitespace.el' apparently makes you pick ;; whether to highlight spaces and hard spaces together, or not, for ;; instance.
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From: "Sebastien Vauban" <sva-news@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: 24.3.50; Display glyphs for hard spaces in color
Organization: Sebastien Vauban
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Hello,
In French, you have a narrow nobreak space (202F) in front of the colon=E2=
=80=AF: =C2=AB=E2=80=AFas
well between quotes=E2=80=AF=C2=BB...
Before "high punctuation symbols" (such as ! and ?), it is a "common" nbsp
(00A0): Hello=C2=A0! How are you=C2=A0?
Problem #1:
To get hard spaces (aka nbsp) highlighted, you need to add `spaces' to
`whitespace-style':
#+begin_src emacs-lisp
;; which kind of blank is visualized
(setq whitespace-style
'(face trailing tabs spaces
indentation::space space-mark tab-mark))
#+end_src
Doing so, all the normal spaces are highlighted as well...
And setting the background of `whitespace-space' to `white' is not a soluti=
on,
as Org headings would become weird (when they use a background color).
Problem #2:
Narrow nbsp aren't highlighted.
See http://screencast.com/t/3qtxb3vTxcS for visualizing both problems.
Best regards,
Seb
"Sebastien Vauban" <sva-news@HIDDEN>:bug-gnu-emacs@HIDDEN.
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