From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Drew Adams Newsgroups: gmane.emacs.help Subject: RE: let, let*, oh, why [was: Elisp - Function returning a list] Date: Mon, 21 Dec 2020 07:20:02 -0800 (PST) Message-ID: References: <20201216115242.GB11162@tuxteam.de> <87sg85u9dq.fsf@zoho.eu> <87o8ir196q.fsf@zoho.eu> <874kkh9j4g.fsf@zoho.eu> <87wnxb3efg.fsf@zoho.eu> <20201221091705.GA3816@tuxteam.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="13843"; mail-complaints-to="usenet@ciao.gmane.io" To: tomas@tuxteam.de, help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Mon Dec 21 16:30:23 2020 Return-path: Envelope-to: geh-help-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 1krN8h-0003WI-Gq for geh-help-gnu-emacs@m.gmane-mx.org; 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Mon, 21 Dec 2020 15:20:06 +0000 Original-Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 0BLFK3xH016716; Mon, 21 Dec 2020 15:20:03 GMT In-Reply-To: <20201221091705.GA3816@tuxteam.de> X-Priority: 3 X-Mailer: Oracle Beehive Extensions for Outlook 2.0.1.9.1 (1003210) [OL 16.0.5095.0 (x86)] X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9841 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 adultscore=0 phishscore=0 bulkscore=0 spamscore=0 mlxlogscore=782 malwarescore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012210109 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9841 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 clxscore=1015 priorityscore=1501 mlxscore=0 lowpriorityscore=0 adultscore=0 mlxlogscore=814 suspectscore=0 phishscore=0 impostorscore=0 bulkscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012210109 Received-SPF: pass client-ip=156.151.31.86; envelope-from=drew.adams@oracle.com; helo=userp2130.oracle.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:126663 Archived-At: Wrt Turtle Geometry, here's a good book: https://mitpress.mit.edu/books/turtle-geometry Like Mindstorms, it's fairly old, but very good.