From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: [RFC PATCH] Per-window face support Date: Sun, 17 Jun 2018 16:57:13 -0400 Message-ID: References: <5e08587a56ad528599ed5fb259be6335.squirrel@dancol.org> <83muw5vdtr.fsf@gnu.org> <83zhzvyqfy.fsf@gnu.org> <83lgbezs6q.fsf@gnu.org> <6b522145569975d52266e29e8122e86b.squirrel@dancol.org> <50a1e0f98f6cfc5e55fdc2b7df5000b5.squirrel@dancol.org> <1dedb08954732c4e59b8c3f61e13dc7c.squirrel@dancol.org> <5b8d8c42dc341ad85081e400f3fd20e1.squirrel@dancol.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1529268922 14631 195.159.176.226 (17 Jun 2018 20:55:22 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 17 Jun 2018 20:55:22 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: "Daniel Colascione" Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Jun 17 22:55:18 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fUehh-0003gK-Dv for ged-emacs-devel@m.gmane.org; Sun, 17 Jun 2018 22:55:17 +0200 Original-Received: from localhost ([::1]:56401 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fUejo-0000qc-N1 for ged-emacs-devel@m.gmane.org; Sun, 17 Jun 2018 16:57:28 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:53867) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fUejf-0000pX-RQ for emacs-devel@gnu.org; Sun, 17 Jun 2018 16:57:20 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fUejc-0000QR-RR for emacs-devel@gnu.org; Sun, 17 Jun 2018 16:57:19 -0400 Original-Received: from chene.dit.umontreal.ca ([132.204.246.20]:40230) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fUejc-0000QI-MA for emacs-devel@gnu.org; Sun, 17 Jun 2018 16:57:16 -0400 Original-Received: from pastel.home (lechon.iro.umontreal.ca [132.204.27.242]) by chene.dit.umontreal.ca (8.14.7/8.14.1) with ESMTP id w5HKvifN023448; Sun, 17 Jun 2018 16:57:44 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id C5319656ED; Sun, 17 Jun 2018 16:57:13 -0400 (EDT) In-Reply-To: <5b8d8c42dc341ad85081e400f3fd20e1.squirrel@dancol.org> (Daniel Colascione's message of "Sun, 17 Jun 2018 12:49:22 -0700") X-NAI-Spam-Flag: NO X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 2 Rules triggered EDT_SA_DN_PASS=0, RV6309=0 X-NAI-Spam-Version: 2.3.0.9418 : core <6309> : inlines <6702> : streams <1789977> : uri <2659858> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 132.204.246.20 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:226433 Archived-At: >>> and Lisp would have no way to do _real_ object identity comparisons. >> `eql` works just fine for object identity comparison. > If it did, we wouldn't need both eq and eql. I agree with you trivially because I contend that we don't need both eq and eql. The definition of `eq` in Common-Lisp (and Scheme likewise for `eq?`) allows it to be defined identically to `eql`. Doing so leads to a simpler API for the Elisp programmer. Stefan