From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stephen Berman Newsgroups: gmane.emacs.bugs Subject: bug#56685: OBOE in string-truncate-left? Date: Fri, 22 Jul 2022 17:23:27 +0200 Message-ID: <87h739f9xs.fsf@gmx.net> References: <87sfmtfnpa.fsf@gmx.net> <838roll6yw.fsf@gnu.org> <87leslfhqh.fsf@gmx.net> <83zgh1jmr0.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1924"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: stefan@marxist.se, 56685@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Jul 22 17:24:09 2022 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 1oEuVd-0000KW-ER for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 22 Jul 2022 17:24:09 +0200 Original-Received: from localhost ([::1]:38910 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oEuVc-0006kp-AR for geb-bug-gnu-emacs@m.gmane-mx.org; 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Fri, 22 Jul 2022 17:23:28 +0200 In-Reply-To: <83zgh1jmr0.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 22 Jul 2022 16:33:07 +0300") X-Provags-ID: V03:K1:Natv4tUIfHxSuxEYoQvS6VWt9nobBf6Vr4ECKi7ySaHz4hgXwQh x7SKJI2eEfYkx4bdi+Xxms/ohSrj/m1pWLTAJH/M1wLgFvZlkAk7R1BlU3HtNjD5QUmoa5a /9siYPLzqFworS26M+usPua1XCq/pSDbkQnHPcbck6WjOAjSzboBQHelbY2+OUizmNFqZFK JgFYCJC9LwaYHJ/agqmgg== X-UI-Out-Filterresults: notjunk:1;V03:K0:WbQA8W0jGuQ=:EHS8JVvbx7YOeNWhhMTFla Ya0zowNFsuX31xYY84C9RVpEeKfBWsK/Q2COcpBM0JuqHR3+IOiWFxX2lxgcfmTJvyad7iO3V cWx3NNpD49fQW2ogdO9goGY7pn6ggTdVARl6tUBSNo4wjBNIH+9gAfWkg+4FoLDgHhJ0CEokb DS2H1Wfmw4zc9QVl986Z2DllVFPdm/iSshiLi9UIwWB90ssIk3SNvD2mdcoT/EqCb6rri0vm2 AcSGMvij0QkDExOKeLSFAIK+HxljSkPWIpb4T2R/bUuV5WR6FIO3bSf1KoaIrAktYj+Ck/tgZ tt8V6h70N+0ju6N+ojTsdI7D9KGfOBQ9lXk5e2P7JE5KXK6h/OkL2bzHIIgyP+pOFOWLBhyN2 mbCOUFYFscdJSlRYJPpMaqhUNJrnKcqNwzHtGlIqe5wTFfWFzFen0G0n4NL/qyG2bxp9bP3xO yQEYzLwBnTu13Q925pupQgZvhIO68K2DBpJprhYVZgKWv06JZhZ+goO/yzuj7KHyddHiEayVD EdMEXN0Lb8p7pHTqMcUaw6TzthDr7XkSSye2a70RGZQJYgU4p8sCGHO80oDmgGSwGlzVWKNgR jGMpXsz3fIQOzd67zZooQRGmXyBQ2JDsboH+vqThu1ouAp96OprgqGbU9oqO369EYcq56yixq ostXShTJVxZxgfwC42iQAHaUx0kANpMWAvCisSaC778ez7BEw4eWr+FBCo7B2MOqNJpSZ638e 6i4/N7RU8lZ49e+0wXdjbQ/XAb6Rd4cSL2jkjNzj3NkVI2P7HuZA/7UXxx3zPDl4sdOSqKxr 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:237640 Archived-At: On Fri, 22 Jul 2022 16:33:07 +0300 Eli Zaretskii wrote: >> From: Stephen Berman >> Cc: stefan@marxist.se, 56685@debbugs.gnu.org >> Date: Fri, 22 Jul 2022 14:35:02 +0200 >> >> Currently, the result of applying string-truncate-left to STRING can be >> a string just as long as STRING but beginning with "..." instead of the >> first three letters of STRING. What is a valid use case for that? > > When STRING is part of a longer string. I don't see why that is relevant, and one of the few uses of string-truncate-left in the Emacs sources seems to confirm my doubt, namely, in gnus-shorten-url, which results in displaying e.g. "cvs.savannah.gnu.org...emacs.svg?view=3Dlog" instead of "https://cvs.savannah.gnu.org/viewvc/emacs/emacs/etc/images/icons/hicolor/= scalable/apps/emacs.svg?view=3Dlog". But if the too-long string is "https://cvs.savannah.gnu.org/viewv/emacs/emacs/1/", then with the current string-truncate-left gnus-shorten-url "shortens" it to "cvs.savannah.gnu.org...ewv/emacs/emacs/1/". AFAICS replacing the three characters "/vi" by "..." here just loses information. Can you show a specific case where such a length-preserving substitution is preferable? Steve Berman