From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Chen Zhaoyang Newsgroups: gmane.emacs.devel Subject: Re: Escape syntax in docstrings Date: Thu, 23 Mar 2023 17:32:56 -0500 Message-ID: <877cv7nlnr.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="22348"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: emacs-devel@gnu.org To: emacs-devel@gnu.org Cancel-Lock: sha1:5c4RBLZba982mJGOY93pVhbr/VQ= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Mar 23 23:41:49 2023 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 1pfTcy-0004us-KM for ged-emacs-devel@m.gmane-mx.org; Thu, 23 Mar 2023 23:41:48 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pfTVy-0008Vc-S0; Thu, 23 Mar 2023 18:34:34 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pfTVv-0008VT-Th for emacs-devel@gnu.org; Thu, 23 Mar 2023 18:34:31 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pfTVm-0006eu-6b for emacs-devel@gnu.org; Thu, 23 Mar 2023 18:34:31 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1pfTUU-0003Li-Rb for emacs-devel@gnu.org; Thu, 23 Mar 2023 23:33:02 +0100 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: 20 X-Spam_score: 2.0 X-Spam_bar: ++ X-Spam_report: (2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_ADSP_CUSTOM_MED=0.001, FAKE_REPLY_C=1.486, FORGED_GMAIL_RCVD=1, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, NML_ADSP_CUSTOM_MED=0.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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:304743 Archived-At: Mattias Engdegård writes: > Yes, this was changed recently, but I feel vindicated by your report: "\x" never > meant what the author thought it did (or at least what I think the author > thought it did): it is a hex escape without digits and used to be equivalent to > "\000", yielding the control character NUL. Run `C-h f slash-in-docstring` in > Emacs 29 or older and see for yourself. Thank you for you clarification! I totally did not know about the fact that "\x" means NUL in docstrings. I do agree that using the slash to represent λ in docstring is not so good to begin with. >> (defun agda-input-compose (f g) >> "\x -> concatMap F (G x)" > > Good catch. Would you tell the Agdas about it? Yeah, I am grepping for cases like this and will submit a patch to them soon. >> Can we document this change of behavior? > > Will do. Cool, thank you again! -- Chen Zhaoyang