From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Drew Adams Newsgroups: gmane.emacs.bugs Subject: bug#40671: [DOC] modify literal objects Date: Sun, 19 Apr 2020 14:01:31 -0700 (PDT) Message-ID: References: <87v9lzmdrw.fsf@laposte.net> <57532862-f6ec-84b6-13af-8a8985366ff0@cs.ucla.edu> 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="50560"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Kevin Vigouroux , 40671@debbugs.gnu.org To: Paul Eggert , Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Apr 19 23:02:24 2020 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 1jQH56-000D2W-8w for geb-bug-gnu-emacs@m.gmane-mx.org; 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Sun, 19 Apr 2020 21:01:36 GMT Original-Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userp3020.oracle.com with ESMTP id 30gb8uqhb7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 19 Apr 2020 21:01:36 +0000 Original-Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 03JL1VUK005715; Sun, 19 Apr 2020 21:01:32 GMT In-Reply-To: <57532862-f6ec-84b6-13af-8a8985366ff0@cs.ucla.edu> X-Priority: 3 X-Mailer: Oracle Beehive Extensions for Outlook 2.0.1.9.1 (1003210) [OL 16.0.4966.0 (x86)] X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9596 signatures=668686 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=658 adultscore=0 bulkscore=0 suspectscore=0 malwarescore=0 phishscore=0 spamscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004190180 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9596 signatures=668686 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 bulkscore=0 priorityscore=1501 impostorscore=0 adultscore=0 phishscore=0 lowpriorityscore=0 malwarescore=0 clxscore=1011 mlxlogscore=724 mlxscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004190180 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-Received-From: 209.51.188.43 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:178671 Archived-At: > distinguish between constant objects (which the > program should not change) and mutable objects > (which the program can change). That's just not what "constant" means. And I suspect that your _uses_ of _not_ "mutable" will still be for things that we really want to say you probably _should not_ change, and not that you _cannot_ change them. You are once again confusing things for readers, I think. Something you probably _should not_ change is not necessarily a constant. (And the converse isn't strong enough - you simply _cannot_ change a constant.) And places where you will likely say there's no reason you _shouldn't_ change something will likely give the impression that this is because it is "mutable", and give the impression that there's no reason you shouldn't change anything that you _can_ change. This can give the impression that if you _can_ change something (the real meaning of "mutable") then there's no reason you shouldn't change it. That's the wrong message.