From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Marcin Borkowski Newsgroups: gmane.emacs.help Subject: Re: How the backquote and the comma really work? Date: Thu, 25 Jun 2015 20:39:05 +0200 Message-ID: <87pp4jfx9y.fsf@mbork.pl> References: <87vbebg1fs.fsf@mbork.pl> <87r3ozy9pf.fsf@web.de> <87si9ffys0.fsf@mbork.pl> <87d20jbqbj.fsf@web.de> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1435257579 8837 80.91.229.3 (25 Jun 2015 18:39:39 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 25 Jun 2015 18:39:39 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Thu Jun 25 20:39:35 2015 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Z8C3g-00078n-3w for geh-help-gnu-emacs@m.gmane.org; Thu, 25 Jun 2015 20:39:32 +0200 Original-Received: from localhost ([::1]:57021 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z8C3f-00072T-D0 for geh-help-gnu-emacs@m.gmane.org; Thu, 25 Jun 2015 14:39:31 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59458) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z8C3V-00072L-B2 for help-gnu-emacs@gnu.org; Thu, 25 Jun 2015 14:39:22 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z8C3S-00081S-LB for help-gnu-emacs@gnu.org; Thu, 25 Jun 2015 14:39:21 -0400 Original-Received: from mail.mojserwer.eu ([2a01:5e00:2:52::8]:52428) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z8C3S-00080r-D7 for help-gnu-emacs@gnu.org; Thu, 25 Jun 2015 14:39:18 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by mail.mojserwer.eu (Postfix) with ESMTP id 9A2406F2002 for ; Thu, 25 Jun 2015 20:39:17 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at mail.mojserwer.eu Original-Received: from mail.mojserwer.eu ([127.0.0.1]) by localhost (mail.mojserwer.eu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id H762RjgnM2sT for ; Thu, 25 Jun 2015 20:39:15 +0200 (CEST) Original-Received: from localhost (ipz217.internetdsl.tpnet.pl [79.190.154.217]) by mail.mojserwer.eu (Postfix) with ESMTPSA id 3ED324F607B for ; Thu, 25 Jun 2015 20:39:15 +0200 (CEST) In-reply-to: <87d20jbqbj.fsf@web.de> X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2a01:5e00:2:52::8 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 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-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:105169 Archived-At: On 2015-06-25, at 20:22, Michael Heerdegen wrote: > Marcin Borkowski writes: > >> Seeing a simplistic (though working in typical/correct cases) version >> might be rather illuminating, no? > > Yes. Want to give it a try? Sure. I'll get back here with some code (notice: it might make some time, from a week to a few months - it's not the only thing I have to do;-)) to discuss. >> > It's also a reader macro so that you can write >> > >> > `thing > >> Interesting. Where is that defined? > > Since you can't define reader macros via Emacs Lisp, it's hardcoded in > the C sources, "lread.c" AFAICT. OK. I'll look into the manual on reader macros, I'm not fluent enough in C to read that code. > Michael. Best, -- Marcin Borkowski http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski Faculty of Mathematics and Computer Science Adam Mickiewicz University