From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.bugs Subject: bug#30217: Ambiguity in NEWS in emacs-26.0.91 Date: Mon, 22 Jan 2018 19:42:11 -0500 Message-ID: <87efmho17g.fsf@users.sourceforge.net> References: <20180122221743.GB4888@ACM> <5074511f-b3b3-45aa-80b4-130be08f30ec@default> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1516668095 32745 195.159.176.226 (23 Jan 2018 00:41:35 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 23 Jan 2018 00:41:35 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.90 (gnu/linux) Cc: Alan Mackenzie , 30217@debbugs.gnu.org To: Drew Adams Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jan 23 01:41:30 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1edmeE-0006z4-AJ for geb-bug-gnu-emacs@m.gmane.org; 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Mon, 22 Jan 2018 16:42:13 -0800 (PST) Original-Received: from zebian ([45.2.119.34]) by smtp.googlemail.com with ESMTPSA id o73sm5790668ito.4.2018.01.22.16.42.12 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 22 Jan 2018 16:42:12 -0800 (PST) In-Reply-To: <5074511f-b3b3-45aa-80b4-130be08f30ec@default> (Drew Adams's message of "Mon, 22 Jan 2018 14:42:34 -0800 (PST)") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:142410 Archived-At: Drew Adams writes: >> In the new NEWS in the recent pretest, at L1381 we have: >>=20 >> ** To avoid confusion caused by "smart quotes", the reader no longer >> accepts Lisp symbols which begin with the following quotation >> characters: `'"" , unless they are escaped with backslash. >> ^^^^ >>=20 >> , which leaves it unclear whether it's the "smart quotes" or the Lisp >> symbols which need escaping. > Even if that ambiguity gets resolved, I have no idea what > the text means. What does it mean for the Lisp reader to > "accept a Lisp symbol"? > > Please describe exactly what the reader does when it reads > one of those characters followed by Lisp-symbol syntax, in > both cases: char escaped and char not escaped. How about this: ** To avoid confusion caused by "smart quotes", the reader signals an error when reading Lisp symbols which begin with one of the following quotation characters: =E2=80=98=E2=80=99=E2=80=9B=E2=80=9C=E2=80=9D=E2= =80=9F=E3=80=9E=EF=BC=82=EF=BC=87. A symbol beginning with such a character can be written by escaping the quotation character with a backslash. For example: (read "=E2=80=98smart") =3D> Lisp error: (invalid-read-syntax "stra= nge quote" "=E2=80=98") (read "\\=E2=80=98smart") =3D=3D (intern "=E2=80=98smart")