From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: =?utf-8?Q?Gerd_M=C3=B6llmann?= Newsgroups: gmane.emacs.devel Subject: Re: Merging scratch/no-purespace to remove unexec and purespace Date: Fri, 20 Dec 2024 18:25:40 +0100 Message-ID: References: <87frml9cy4.fsf@protonmail.com> <875xng9g48.fsf@protonmail.com> <87ttaz98q1.fsf@protonmail.com> <87y10b77p7.fsf@protonmail.com> <87msgqjpf2.fsf@protonmail.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="27049"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: Stefan Monnier , Pip Cet , Stefan Kangas , Andrea Corallo , Eli Zaretskii To: Pip Cet via "Emacs development discussions." 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[2003:e0:b70a:5600:50fe:b175:441d:f3ce]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-aac0eae4338sm194173466b.86.2024.12.20.09.25.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Dec 2024 09:25:41 -0800 (PST) In-Reply-To: <87msgqjpf2.fsf@protonmail.com> (Pip Cet via's message of "Fri, 20 Dec 2024 16:22:19 +0000") Received-SPF: pass client-ip=2a00:1450:4864:20::632; envelope-from=gerd.moellmann@gmail.com; helo=mail-ej1-x632.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:326805 Archived-At: Pip Cet via "Emacs development discussions." writes: > "Stefan Monnier" writes: > >>>> OTOH and IMHO, it would be preferable if that symbol could not crash >>>> Emacs. Can we come up with a good way to fix that, while preserving the >>>> check that Andrea wants to keep? >>> >>> That sounds like a good thing to focus on, yes. We need to have a value >>> in a vector that we Fread that is distinguishable from all other values. >> >> How 'bout an uninterned symbol `#:foo`? > > I think those are legal for native-compiled subrs to use (there's a > comment about it, at least), so that wouldn't do us any good, would it? > > Pip Uninterned symbols are unique, i.e. (eq '#:a '#:a) => nil. Wouldn't that help?