From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Drew Adams Newsgroups: gmane.emacs.bugs Subject: bug#34975: 26.1.92; In backquote, the comma marker does not work with variable name started with dot Date: Mon, 25 Mar 2019 07:21:11 -0700 (PDT) Message-ID: References: <87sgvcxpzh.fsf@web.de> <1430c67b-c447-47b4-92b3-1cba335e8193@default> <877ecnybya.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="108634"; mail-complaints-to="usenet@blaine.gmane.org" Cc: Xu Chunyang , 34975@debbugs.gnu.org To: Michael Heerdegen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Mar 25 15:22:13 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1h8QUO-000S88-Em for geb-bug-gnu-emacs@m.gmane.org; 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Mon, 25 Mar 2019 14:21:14 GMT Original-Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x2PELCQH013361; Mon, 25 Mar 2019 14:21:12 GMT In-Reply-To: <877ecnybya.fsf@web.de> X-Priority: 3 X-Mailer: Oracle Beehive Extensions for Outlook 2.0.1.9.1 (1003210) [OL 16.0.4822.0 (x86)] X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9205 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=765 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903250107 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: 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:156754 Archived-At: > Yes, thanks. I also found that post: >=20 > https://urldefense.proofpoint.com/v2/url?u=3Dhttps- > 3A__lists.gnu.org_archive_html_emacs-2Ddevel_2012- > 2D02_msg00330.html&d=3DDwIFAg&c=3DRoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI= _JnE&r=3Dk > I3P6ljGv6CTHIKju0jqInF6AOwMCYRDQUmqX22rJ98&m=3DCxM0DPMvIA0IaOjx7pLPUAWhhK= la65XR > UOtlWoUp1pM&s=3D3ooHHbORUe59GfFU53KZE6gD6KNQLvxSeAKZuHs8TT8&e=3D >=20 > The state is the same as back then: ,. is a reader macro in Emacs Lisp, > but the head of the expansion (the symbol named ",.") doesn't have any > semantics, even not in backquote. You're right; I was wrong. I thought it did what ,@ does (which it should, whether or not it has the extra difference of behavior specified for CL). What it does in Emacs Lisp is _completely_ wrong, IMO. (setq c 42) ; c =3D 42 (setq a `(b ,. c)) ; a =3D (b (\,\. c))