From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: =?UTF-8?Q?Andreas_R=c3=b6hler?= Newsgroups: gmane.emacs.help Subject: (copy-marker nil) Date: Mon, 7 May 2018 10:19:31 +0200 Message-ID: <364c8f2d-06ab-4f81-852f-eb3bac7a0615@easy-emacs.de> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1525681011 15155 195.159.176.226 (7 May 2018 08:16:51 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 7 May 2018 08:16:51 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 To: Help Gnu Emacs mailing list Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon May 07 10:16:47 2018 Return-path: Envelope-to: geh-help-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 1fFbK9-0003nY-Jr for geh-help-gnu-emacs@m.gmane.org; Mon, 07 May 2018 10:16:45 +0200 Original-Received: from localhost ([::1]:44701 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fFbMG-00052o-Ka for geh-help-gnu-emacs@m.gmane.org; Mon, 07 May 2018 04:18:56 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56205) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fFbLl-000522-Ge for help-gnu-emacs@gnu.org; Mon, 07 May 2018 04:18:26 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fFbLh-00025A-Gq for help-gnu-emacs@gnu.org; Mon, 07 May 2018 04:18:25 -0400 Original-Received: from mout.kundenserver.de ([212.227.126.134]:51515) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fFbLh-000240-6i for help-gnu-emacs@gnu.org; Mon, 07 May 2018 04:18:21 -0400 Original-Received: from [192.168.178.35] ([188.103.18.182]) by mrelayeu.kundenserver.de (mreue007 [212.227.15.167]) with ESMTPSA (Nemesis) id 0MXjQA-1emZki2BHy-00WVp9 for ; Mon, 07 May 2018 10:18:18 +0200 Content-Language: en-US X-Provags-ID: V03:K1:iZwZ6jozvuxXXb+rkuIJbxspB9j08uLuj+Je2t7Zv14Kx70oS0V NWjXLHA9XrGu37xDTUIblPyU5Ou9lOR6KHlPsSeT3SgXi8VFj4+wrxt/qjGhY2QB5jnichX 8EBcMRq67lGWiUoYn65XcyKtfC3O4HVOClAO6gPzpD2kNzw24Jv26puM0tPK+r6ks7Qr6z1 U/9YVfYseBFZidI9Nffhg== X-UI-Out-Filterresults: notjunk:1;V01:K0:T6GzymMdZAk=:fP8k71da85seBpvg1OR6Tp efh6QO1KsPtCOYXcGkIPWPl+rfmkkeObEK6A64ulni/x7fOLlZLfuqojMKoSQSE6iQCecCLuX URTrGNrCsw0E4F5/4FPMS0fHn7ZF0aDmmal+PQiq5bM7WE2IdcS/hWo+H41ctXPT56APP1u9j j1Wt1ZCfH/cVWcU9KgEmqZRN2TZhBHmHnzM9rGBwx+DY2uo4ZNEEzZRziuvbUph61ueMZOUmP A9S1d8SeAZnBWe+MG3Cn6fJODMrcUrzojLqs4FMpq6oGlI3d6B7qmVeOD6cHzeCy3aCyMtKRh OKMV/Fs9qyYeCwhHtRkOgGiMegZA1ePnCxr3QVrBIQH6iqxskd8Xxv9j7+BI14BirDFqmoQEa wJRn7mMpGetGXI3+YZOprvlyvEdv8ylZUTvRWdQav9FwXBYAu4M7FEw2yHZ0CJ/zSW7R5kI3C sbIrCIYtjPgB70Hjxb+ZiS1JkQvC66NCWmYGpUL9JQTCc1wdaxHmXPDs1Ji6YrAYXtzcglUs1 qoFJKi6UCGmhy9H43ptwei2czTJJmwBwwKSrl6GDOS5fHedQ3AYFWxOGJT470/UJlnn5xBV/I k4XVDdQC5+ApHbL6MAUyKGGuOarN599nuG6WYGglrsdWv2BS5uA6fCNvjV3g5cRpTiUaDcqlI 95CFL0UpgdbQGFYcZiyUW8CxcuTcKL8T75xsvDYhm8Dkn0N0T7kcr6PgIM/XXZpaM9okJVq30 lAycXtMmsLJCMAmH X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 212.227.126.134 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:116672 Archived-At: Hi, being surprised WRT behavior of copy-marker: (setq a (copy-marker nil)) -> # (markerp a) -> t a -> # Is taking nil by copy-marker reasonable? Wanted to check for a valid buffer position, which doesn't seem possible that way. While without copy-marker, the variable a would be set to nil, now the result evaluates to #, which is a kind of t. Cheers, Andreas