From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Drew Adams Newsgroups: gmane.emacs.bugs Subject: bug#53014: 27.2; `cl-macs.el' no longer provides `cl-macs' Date: Tue, 4 Jan 2022 21:14:08 +0000 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="13257"; mail-complaints-to="usenet@ciao.gmane.io" To: 53014@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jan 04 22:15:15 2022 Return-path: Envelope-to: geb-bug-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 1n4r9G-0003Es-WE for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 04 Jan 2022 22:15:15 +0100 Original-Received: from localhost ([::1]:40488 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n4r9F-0004dT-H9 for geb-bug-gnu-emacs@m.gmane-mx.org; 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envelope-from=drew.adams@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -8 X-Spam_score: -0.9 X-Spam_bar: / X-Spam_report: (-0.9 / 5.0 requ) DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:223668 Archived-At: Presumably a design bug, i.e., intentional. Until Emacs 27, code could use this to load the macros defining things like `cl-case' (which has l o n g been aliased to `case', and which should even be in Emacs Lisp itself, as is `push'): (eval-when-compile (require 'cl-macs)) Emacs 27 breaks that. Now, if you need only CL macros, you need to require `cl-lib.el' instead. So any library that needs something like `case', and needs to support both Emacs 27+ and older Emacs versions, needs to jump through a hoop such as this (or another, using `load-library'): (eval-when-compile=20 (require (if (< emacs-major-version 27) 'cl-macs 'cl-lib))) Gratuitous bother. Or was there some real need for introducing the incompatibility? In GNU Emacs 27.2 (build 1, x86_64-w64-mingw32) of 2021-03-26 built on CIRROCUMULUS Repository revision: deef5efafb70f4b171265b896505b92b6eef24e6 Repository branch: HEAD Windowing system distributor 'Microsoft Corp.', version 10.0.19042 System Description: Microsoft Windows 10 Pro (v10.0.2009.19042.1348)