From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.help Subject: Re: (copy-marker nil) Date: Mon, 7 May 2018 09:55:52 -0400 Message-ID: References: <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" Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1525701254 25280 195.159.176.226 (7 May 2018 13:54:14 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 7 May 2018 13:54:14 +0000 (UTC) Cc: Help Gnu Emacs mailing list To: =?UTF-8?Q?Andreas_R=C3=B6hler?= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon May 07 15:54:10 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 1fFgae-0006Rh-Hj for geh-help-gnu-emacs@m.gmane.org; Mon, 07 May 2018 15:54:08 +0200 Original-Received: from localhost ([::1]:46454 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fFgcl-0000wc-IA for geh-help-gnu-emacs@m.gmane.org; Mon, 07 May 2018 09:56:19 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46595) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fFgcN-0000wU-1z for help-gnu-emacs@gnu.org; Mon, 07 May 2018 09:55:55 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fFgcM-0001Rc-Fz for help-gnu-emacs@gnu.org; Mon, 07 May 2018 09:55:55 -0400 Original-Received: from mail-oi0-x22e.google.com ([2607:f8b0:4003:c06::22e]:46999) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fFgcM-0001Qt-Aq for help-gnu-emacs@gnu.org; Mon, 07 May 2018 09:55:54 -0400 Original-Received: by mail-oi0-x22e.google.com with SMTP id y15-v6so25181268oia.13 for ; Mon, 07 May 2018 06:55:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=k4zzLAXTLVldSDCSPq1Ak3OujEKR063wyvhQPLB4ZMQ=; b=Vz246Ad89x+GSI/WBV46l1LACr75UDw07gJUSFE7FjLxQbaTm0t6rlF7IRon9Zvz+r FKEyenXJEYo/plylm4WrTjAQvIl4p3L+zJmcNMh9ASvrUEfVWnp2GLhDto2uJkFSdNkT Ln4Gr5j0IDWHTHjDKir95UYqJIdXmL4etu069TuKDg1okf316ZZZ6QPqlmNhtCpD8HEL 079QWZ7KLcmAdcYFMRSA/ZM3OieQLnaMfPV9No9YjNawO2NUy+/yJuOZA6hZQ6uzxIOx daU0iuX6eT9y70W3aT5tNY8XAThDTbofMdXW8wFkC7mH9I3NdSB9jlfzqXpncvPrBXcg NaVg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=k4zzLAXTLVldSDCSPq1Ak3OujEKR063wyvhQPLB4ZMQ=; b=AkMyFL7gG0elJP+ljNVJsiBDRetEqB27vPrxOx5WtKkbJhpXOgI6t99EwF0CIgrSzc 6pc/Uc41TacRQC4KuXMhcjWMN+8V0fYtm5hvTBLJOGMhn65Ro8gON4szIuq2qQfVfHRE G5ucBq70Rfqa2QyWjTiFFPzgQfyJBkN19HdbeeC5k0cg8BWYxsifeFTIZBHo0EkfkGOT DlsxNzQ6zrrgPsWnzOasKJTI64RIwYFpcHvrsytQKIJzUlBn9ziVMRPt/7xsC4x6QNr4 aeAHscdwNU2DHzu0DMgcYlfW48p4sEgaAQFGa369echk0QZpWhhA4/Mr1wMkjAt3lPUX ip3Q== X-Gm-Message-State: ALQs6tA63eK0S6KuZeXSyfUl9mXRUqPCGJEo1J/QD/Pice9jXknV9sXc ZzJjqUAh/UGafGQtiZGJfWwDAYQWe0G0U7tC4KWrig== X-Google-Smtp-Source: AB8JxZqVJIe9ASkPOX7ZrwnjW7QLTQw32aJtp+gsy382+STKTzV8qUG1BoT33jZDRh7zLBKOz/GU92yeg22SmIA+/KE= X-Received: by 2002:aca:68ea:: with SMTP id o103-v6mr12015141oik.93.1525701353258; Mon, 07 May 2018 06:55:53 -0700 (PDT) Original-Received: by 10.74.5.135 with HTTP; Mon, 7 May 2018 06:55:52 -0700 (PDT) In-Reply-To: <364c8f2d-06ab-4f81-852f-eb3bac7a0615@easy-emacs.de> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4003:c06::22e 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:116674 Archived-At: On 7 May 2018 at 04:19, Andreas R=C3=B6hler = wrote: > being surprised WRT behavior of copy-marker: > > (setq a (copy-marker nil)) -> # > (markerp a) -> t > a -> # > > Is taking nil by copy-marker reasonable? For most functions, passing nil for an &optional parameter is the same as omitting it. (copy-marker &optional MARKER TYPE) [...] If MARKER is not specified, the new marker does not point anywhere.