From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andy Wingo Newsgroups: gmane.lisp.guile.devel Subject: Re: =?utf-8?b?4oCYbWF0Y2jigJk=?= and =?utf-8?b?4oCcaw==?= or =?utf-8?b?bW9yZeKAnQ==?= patterns Date: Wed, 08 Sep 2010 20:53:33 +0200 Message-ID: References: <877hj0xmcp.fsf@gnu.org> <874oe36pgn.fsf@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1283971843 25428 80.91.229.12 (8 Sep 2010 18:50:43 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 8 Sep 2010 18:50:43 +0000 (UTC) Cc: Ludovic =?utf-8?Q?Court=C3=A8s?= , guile-devel@gnu.org To: Alex Shinn Original-X-From: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Wed Sep 08 20:50:40 2010 Return-path: Envelope-to: guile-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1OtPjE-0007mP-IK for guile-devel@m.gmane.org; Wed, 08 Sep 2010 20:50:40 +0200 Original-Received: from localhost ([127.0.0.1]:37593 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OtPjE-00032U-4i for guile-devel@m.gmane.org; Wed, 08 Sep 2010 14:50:40 -0400 Original-Received: from [140.186.70.92] (port=35706 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OtPj3-00032O-PO for guile-devel@gnu.org; Wed, 08 Sep 2010 14:50:30 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OtPj2-0005z9-8g for guile-devel@gnu.org; Wed, 08 Sep 2010 14:50:29 -0400 Original-Received: from a-pb-sasl-quonix.pobox.com ([208.72.237.25]:38908 helo=sasl.smtp.pobox.com) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OtPj2-0005z2-71; Wed, 08 Sep 2010 14:50:28 -0400 Original-Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by a-pb-sasl-quonix.pobox.com (Postfix) with ESMTP id 40B97D44F4; Wed, 8 Sep 2010 14:50:27 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; s=sasl; bh=Z/0JITVyBd3Pvh+1B+IN2lOCUy4=; b=gGYszd K3MQa8wAXw+r7l3iRqauUsd4lKt6q+cMD+RUVglFjGG91i50EF7yDV2tovQ6tR6Y TkXNM7KRlSxwxO4JbWJQq/dfnBf+wTP2yXFykvmXRp5NYisATvAq4GvzLpwMUioV M8y3d+gu68VOe80UHLDfD9QAN2sTQBT9qy+gQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=sasl; b=J0Tx7LVa4igoNuy5PMbUEdkQ8KpgE0PT QXl6dcdZ6EUm5qi0KicSuMfnhiGDKeb3VDKatRa0S+hg0nOvMobiVT1CXcMD5MlI +myCEuZS4gMUxns5W3JkQej9N1Rgy06mnmWplo+u2otzhWxugEnDvoirfhdTnCZW 6I4dv5y3tkY= Original-Received: from a-pb-sasl-quonix. (unknown [127.0.0.1]) by a-pb-sasl-quonix.pobox.com (Postfix) with ESMTP id 1A53DD44EF; Wed, 8 Sep 2010 14:50:25 -0400 (EDT) Original-Received: from unquote.localdomain (unknown [79.156.65.247]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by a-pb-sasl-quonix.pobox.com (Postfix) with ESMTPSA id 5491FD44E9; Wed, 8 Sep 2010 14:50:22 -0400 (EDT) In-Reply-To: (Alex Shinn's message of "Wed, 8 Sep 2010 11:18:18 +0900") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) X-Pobox-Relay-ID: F0DB2EEE-BB79-11DF-A20C-030CEE7EF46B-02397024!a-pb-sasl-quonix.pobox.com X-detected-operating-system: by eggs.gnu.org: Solaris 10 (beta) X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Developers list for Guile, the GNU extensibility library" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Errors-To: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.devel:10896 Archived-At: Hello, On Wed 08 Sep 2010 04:18, Alex Shinn writes: > "..1" is actually useful - it's the analog of "+" in regular > expressions, and allows simplifying many syntax-rules > patterns you see written (elt0 elt1 ...) as (elt ..1). If > the elements are more complex patterns this is a big > win. Interesting. It would be a nice extension to syntax-rules itself; though ..1 is not a lovely spelling. Andy -- http://wingolog.org/