From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.bugs Subject: bug#44554: 27.1; Feature request: SRFI-62 style comments for Emacs Lisp. Date: Thu, 12 Nov 2020 22:11:22 +0200 Organization: LINKOV.NET Message-ID: <87zh3m72tx.fsf@mail.linkov.net> References: <4282B0B6-7580-4066-9BAD-369EAD238E2C@acm.org> <87pn4iagd6.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="22132"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (x86_64-pc-linux-gnu) Cc: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= , Lars Ingebrigtsen , 44554@debbugs.gnu.org, Vladimir Nikishkin , Richard Stallman To: Drew Adams Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Nov 12 21:25:13 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 1kdJ9c-0005dM-Vt for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 12 Nov 2020 21:25:12 +0100 Original-Received: from localhost ([::1]:44716 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kdJ9b-0005Rr-VW for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 12 Nov 2020 15:25:11 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:44274) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kdJ9T-0005RA-6l for bug-gnu-emacs@gnu.org; Thu, 12 Nov 2020 15:25:05 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:34185) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kdJ9S-0001qE-S1 for bug-gnu-emacs@gnu.org; Thu, 12 Nov 2020 15:25:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kdJ9S-0004sc-Nw for bug-gnu-emacs@gnu.org; Thu, 12 Nov 2020 15:25:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Juri Linkov Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 12 Nov 2020 20:25:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 44554 X-GNU-PR-Package: emacs Original-Received: via spool by 44554-submit@debbugs.gnu.org id=B44554.160521268918722 (code B ref 44554); Thu, 12 Nov 2020 20:25:02 +0000 Original-Received: (at 44554) by debbugs.gnu.org; 12 Nov 2020 20:24:49 +0000 Original-Received: from localhost ([127.0.0.1]:45727 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kdJ99-0004rg-CL for submit@debbugs.gnu.org; Thu, 12 Nov 2020 15:24:49 -0500 Original-Received: from relay1-d.mail.gandi.net ([217.70.183.193]:44541) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kdJ96-0004rQ-Ad for 44554@debbugs.gnu.org; Thu, 12 Nov 2020 15:24:42 -0500 X-Originating-IP: 91.129.97.46 Original-Received: from mail.gandi.net (m91-129-97-46.cust.tele2.ee [91.129.97.46]) (Authenticated sender: juri@linkov.net) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id 4084C240002; Thu, 12 Nov 2020 20:24:30 +0000 (UTC) In-Reply-To: (Drew Adams's message of "Thu, 12 Nov 2020 10:16:42 -0800 (PST)") 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:193178 Archived-At: >> > No, not without modification. For example, #; would be treated as # >> > and a comment removing the rest of the line by most existing lexers. >> > And it's not just my code. >> >> Sure, it would be a new feature, and older lexers wouldn't understand >> the new grammar, but that's true of (almost) any new language feature. > > If we had reader macros, and more generally a > user-configurable reader, like Common Lisp, then > maybe (?) users could adapt (e.g. disable or > whatever) such new constructs programmatically, > with Lisp. I don't know if there is such a feature as transcompiling in Common Lisp https://en.wikipedia.org/wiki/Source-to-source_compiler but it should be possible to create a transpiler package that could help to load Emacs Lisp files with newer syntax in older Emacs versions.