From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Christopher Dimech Newsgroups: gmane.emacs.help Subject: Re: Introducing face in comments for various modes Date: Tue, 13 Dec 2022 06:20:38 +0100 Message-ID: References: <9ZK1Solghrmps4AarUsz2E6-mAdkrTZoXPs4RTRTd9sZ0Cd8DGhK955im1kuug-EZXU3tc5rgDDd16vQexxpFnMvMFjFqnNnh0noashyLdE=@protonmail.com> <0RJB0bPRTMAqXlUbL2kGUvJtnCNPYwPhqTNi_l9nIpQAciTZYcYCikFVqi2Nr_UZLbT1_DRtX8G0dSkgI4jln5DTYBDxLz4i7L2d9wx-kA8=@protonmail.com> <21708ec2-d908-4e91-6c0a-4b1cd253e707@gmail.com> <009361a1-4430-ac3a-f395-ce32f10b31f2@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="9664"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Yuri Khan , Thibaut Verron , Heime , help-gnu-emacs@gnu.org To: Stefan Monnier Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Dec 13 06:21:16 2022 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1p4xj9-0002Ju-CZ for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 13 Dec 2022 06:21:15 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p4xik-0001MC-3W; Tue, 13 Dec 2022 00:20:50 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p4xig-0001KD-Eq for help-gnu-emacs@gnu.org; Tue, 13 Dec 2022 00:20:47 -0500 Original-Received: from mout.gmx.net ([212.227.15.19]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p4xie-0007aJ-HN for help-gnu-emacs@gnu.org; Tue, 13 Dec 2022 00:20:46 -0500 Original-Received: from [92.251.127.164] ([92.251.127.164]) by web-mail.gmx.net (3c-app-mailcom-bs16.server.lan [172.19.170.184]) (via HTTP); Tue, 13 Dec 2022 06:20:38 +0100 Importance: normal Sensitivity: Normal In-Reply-To: X-UI-Message-Type: mail X-Priority: 3 X-Provags-ID: V03:K1:+HslOGQiArwyqZ/8KHKXZgFsgi1G70BIHGbqFBA/brVRKUZGXxmslxWZ05pQ0Lje5mbcf kdmcCb1B70sUbbQ2cgHpl1JBZ8YjXD7Uvv1MQHI+vW9Rh+JN6wBbdOBFruxCgt4hSD5gNnlwh6mr 2XDj7J7PbaZQzYaBktMtZI+JxyiIncTEAI168qfnFaj8GB3XGZZATEybMu/hes+EkQHYcZS90TGq 9o2sqAricgn8ZJf3MoKBBowsdfnrXcVG+dtj0nSDV+D188jfFE/o6N+rQmW0xxUGUYEZjDPBa1Wj Ek= UI-OutboundReport: notjunk:1;M01:P0:6+ztGUd3Gj0=;HV0T6zNSDEJYOg6Gd7qtixCgD/v CAvgL3ut3dA97JN/cxAdYHDBC2lkZLUKqP7JuczDm0Qd9bLcpgLrewg1nPWcok1deJCDCtciF p7m0GqV9EJUzi+rdO43yUHgQ42HH7vb9Q2leF7I5DNhBjfeO09KOQvIU3lM6ahDXaZ0dalsVW fnl2oBYB7+AcjBFCqcAsTy8geiN18kYQa+Ea5oiRU+3YGoz2QKZJtiW8sAjSxYN8e60NK5rvA n4D/ixaavqEj2I2PO+xktwgNIKGUV5+9is5LImCpmwpRQrgC1SQhoWxipcn/kw+EcSTHLeErg dtXQTOBuGEWKe2jbgU+W0DaKDxcN4sg1xplpRZEn10UJqnPCSfUFdZyJqCzLY7vDkPzlv+1QE 8XuAHsCYpjw21UFhUFBhFRNg7FIhnOtqsTRIA8GGAw8A6RVg1QWVwYipbd+qsbok2C8lzeBEy jUjGj129AWZ54Sja5ho6Mhr+t+qH8dtfCSjgVuk0BsSQEGtL5lWHZzTVxUlOFinqnMb9Ec/dQ gcscOMS27H3QxEkDw+sdC5mYnouco5i3yz/zGqAAeF7p6rgwQ+tm7i8mba3iri5prYFIO+5Hn 5fYDTBi1Jh+uzIegs0OSzFOjdUjgCvj7NzApq02VCJmawo7+0dWNkUPOKVVlVWXkbLPTi3TB5 gdTWenFlKJ77yGYoq9OufMxYA2xPSJNoQUmCLa9cRGoa+FddFjLqto1NtjmzZPSbMW8fmS6Ga 8f1dZkKWHArWqXdhLQvWMiMzXS/wOEpZNl/3nH2ySSUJBEvEiQKUqLRbdEQnmOQgE+Y7pA0n Received-SPF: pass client-ip=212.227.15.19; envelope-from=dimech@gmx.com; helo=mout.gmx.net X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:141695 Archived-At: > Sent: Tuesday, December 13, 2022 at 5:44 AM > From: "Stefan Monnier" > To: "Yuri Khan" > Cc: "Thibaut Verron" , "Heime" , help-gnu-emacs@gnu=2Eorg > Subject: Re: Introducing face in comments for various modes > > > Heime has a point=2E The complaint is not about *readability* of > > modus-vivendi=E2=80=99s colors against the background=2E It is about > > *distinction* between levels of Org headings, i=2Ee=2E ability to > > distinguish a level 3 heading from a level 4 just by color=2E >=20 > AFAIK relying colors to express the heading level would be a mistake=2E How is that conclusion reached? > > As far as I can tell, WCAG does not give any guidance as to > > distinction between foreground colors, except for =E2=80=9Cthou shalt = not make > > the user rely solely on color=E2=80=9D=2E Colour would be an additional capability that one could use=2E I do not s= ee how it will subtract, it will only add=2E It is proper to assert that the= use=20 of colour only is not sufficient for distinction (other considerations inc= lude font type, text size, text weight)=2E Having worked in remote sensing dev= elopment, an essential ingredient in most remote sensing images is color=2E =20 While variations in black and white imagery can be very informative, the n= umber of different gray tones that the eye can separate is limited to about 20 t= o 30 steps on a contrast scale=2E On the other hand, the eye can distinguish m= any more=20 color tints, enabling small variations within the target materials or clas= ses to be discerned=2E Colour is capable of provide expanded information=2E It = would be=20 ridiculous to discount the use of colour=2E =20 > I think that guidance is quite apt here :-) >=20 >=20 > Stefan >=20 >=20 >