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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: CSS contrast (#30295) (was Re: Heads-up: Emacs 26.1 RC1)
Date: Wed, 21 Mar 2018 09:54:49 +0200
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> From: Yuri Khan <yuri.v.khan@gmail.com>
> Date: Wed, 21 Mar 2018 12:52:15 +0700
> Cc: Eli Zaretskii <eliz@gnu.org>, John Wiegley <johnw@gnu.org>,
> 	Tom Tromey <tom@tromey.com>, Emacs Development <emacs-devel@gnu.org>
> 
> Why not use the WCAG contrast ratio formula?
> 
> https://www.w3.org/TR/WCAG20/#visual-audio-contrast
> 
> (Except that, if implemented literally, it will probably not fit the
> trivial change threshold.)

I have nothing against implementing the WCAG contrast criterion, but
that would certainly need to be done on master, not on the release
branch.  This discussion was about what to do for Emacs 26.1.