From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: "Basil L. Contovounesios" Newsgroups: gmane.emacs.devel Subject: Re: master 68ae6fa: Improved light/dark colour predicate (bug#41544) Date: Thu, 18 Jun 2020 20:40:40 +0100 Message-ID: <87imfo5fif.fsf@tcd.ie> References: <20200610181238.9796.44750@vcs0.savannah.gnu.org> <20200610181239.947C4204DF@vcs0.savannah.gnu.org> <93F81C41-E774-4C02-9E9D-5B2CD1F66445@acm.org> <86v9jwksod.fsf@stephe-leake.org> <5A6B8DE2-EADF-4D74-A0EA-DE5303F828D4@acm.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="83654"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: emacs-devel , tomas@tuxteam.de, Stephen Leake , Drew Adams , Yuri Khan To: Mattias =?utf-8?Q?Engdeg=C3=A5rd?= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Jun 18 21:42:57 2020 Return-path: Envelope-to: ged-emacs-devel@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 1jm0R7-000Lcb-9x for ged-emacs-devel@m.gmane-mx.org; Thu, 18 Jun 2020 21:42:57 +0200 Original-Received: from localhost ([::1]:38698 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jm0R6-0003DC-Bf for ged-emacs-devel@m.gmane-mx.org; Thu, 18 Jun 2020 15:42:56 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:45614) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jm0PV-0001lt-0v for emacs-devel@gnu.org; Thu, 18 Jun 2020 15:41:17 -0400 Original-Received: from mail-wr1-x429.google.com ([2a00:1450:4864:20::429]:34020) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jm0Oy-0004gT-AH for emacs-devel@gnu.org; Thu, 18 Jun 2020 15:41:16 -0400 Original-Received: by mail-wr1-x429.google.com with SMTP id r7so7353352wro.1 for ; Thu, 18 Jun 2020 12:40:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tcd-ie.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-transfer-encoding; bh=xMxyC4e/eLH6Jn9kqrTv0ViLyDZhoUQeNEWKx0bnH74=; b=Uv9PjHeME5xtUJ/p3HhlsnrNVW3vecdpS+aSfsYJXVFHbn/Fc4sqnT6T9BDThjD8Sp kEltnZW2bNPtjnlBALlDIwf4fgqE2CY8MufSMAFqHSkH3FLLKWHoVqilbCyPflvJqH5g ljj2+sALfsC7lrUfEv4XToFE5CYu20b6f/N7+X0fYMLqKFGPv+vLewuXBE9a7AoAv1Sa Y7w0wl/TAkv9Mg9R+Ot6Ilk3skWYpyNoEn892cQKn8adwLamuizEHzeAERR8T5xVHS89 i5k1Z09pxvD+mVB7KyioAg+Trma1mutVQ0IcUvio1h+PdXo/nneMw65tjmpLUkrCG/j6 QQRA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version:content-transfer-encoding; bh=xMxyC4e/eLH6Jn9kqrTv0ViLyDZhoUQeNEWKx0bnH74=; b=BC8VZAcCjIyu0W3AxR7YOe3bf7GTFKwaG8/Z1WfM/DZwki7QwlAHZOV6hE3gznIFa3 Jg5KYbWXh4yldlrncJDQ4JWnU+Kk1IpGk3qp407/J8jNy8RMtrpUMP54/6c407QHTKCG kvKEkSNScCNKY1C6yUcL6Ucvd97pq87anEN6Hd4XMZK6TGpLhSVP0nHkXMxWX06TJXky pLYWLAdHLDhcrciZdagBbH8cHeGQuAOZzfTWubCoNT1dGUCQSZmbDzl08Gy+uP0BeLOQ TNkOFZUO5qRL4eqiaANDmmUt6cQLfLDyYB9nmhKVPmub/xsQSoc9ScUlTSspblSfKJUS 14OA== X-Gm-Message-State: AOAM5301QKXvd9WekeqZzSUyvBGkyM9ojmNnJo2/5ErIHoBOzpx8surP BSH5Uu4xwIGCU6ypDr1M9pFveg== X-Google-Smtp-Source: ABdhPJwFP2qNDhPpjmS7PF7KEEVejYvT66k8c5bsFFkbGrsDJ0oIgsDDfYvpzIk5LOXwTUX4P+Q5LQ== X-Received: by 2002:a5d:6751:: with SMTP id l17mr70501wrw.179.1592509242413; Thu, 18 Jun 2020 12:40:42 -0700 (PDT) Original-Received: from localhost ([2a02:8084:20e2:c380:1f68:7ff5:120d:64e]) by smtp.gmail.com with ESMTPSA id y25sm11562489wmi.2.2020.06.18.12.40.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Jun 2020 12:40:41 -0700 (PDT) In-Reply-To: <5A6B8DE2-EADF-4D74-A0EA-DE5303F828D4@acm.org> ("Mattias =?utf-8?Q?Engdeg=C3=A5rd=22's?= message of "Thu, 18 Jun 2020 21:28:55 +0200") Received-SPF: none client-ip=2a00:1450:4864:20::429; envelope-from=contovob@tcd.ie; helo=mail-wr1-x429.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:252321 Archived-At: Mattias Engdeg=C3=A5rd writes: > Thanks to those who replied -- the originally proposed 0.325 luminance li= mit > seems to be fairly uncontroversial and can be changed if evidence indicat= es that > it was badly chosen. Most of all, the value seems to work well across all > platforms and a sufficient variety of equipment, which is the important p= art. > > Special thanks to Yuri for helping me confirm that the theoretical 50% li= ghtness > of luminance 0.18 wasn't necessarily an optimal value in this case. Trust= my own > eyes, but verify! > > The constant has now been given a (provisional) name, for extra clarity a= nd ease of adjustment. Thanks! Could the constant's docstring please follow the convention described under (info "(elisp) Documentation Tips") of keeping the first sentence on a single line? --=20 Basil