From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#18923: Alternative scrolling model Date: Sun, 02 Nov 2014 10:56:15 -0500 Message-ID: References: <87wq7e9zcn.fsf@gmail.com> <83a949y6r1.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1414943852 1038 80.91.229.3 (2 Nov 2014 15:57:32 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 2 Nov 2014 15:57:32 +0000 (UTC) Cc: 18923@debbugs.gnu.org, E Sabof To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Nov 02 16:57:24 2014 Return-path: Envelope-to: geb-bug-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 1XkxWu-0005yf-3A for geb-bug-gnu-emacs@m.gmane.org; Sun, 02 Nov 2014 16:57:24 +0100 Original-Received: from localhost ([::1]:57752 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XkxWt-0003lw-RD for geb-bug-gnu-emacs@m.gmane.org; Sun, 02 Nov 2014 10:57:23 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:53796) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XkxWf-0003km-Jc for bug-gnu-emacs@gnu.org; Sun, 02 Nov 2014 10:57:20 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XkxWY-0000kX-64 for bug-gnu-emacs@gnu.org; Sun, 02 Nov 2014 10:57:09 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:49052) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XkxWY-0000kT-3S for bug-gnu-emacs@gnu.org; Sun, 02 Nov 2014 10:57:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XkxWX-0007C3-UX for bug-gnu-emacs@gnu.org; Sun, 02 Nov 2014 10:57:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 02 Nov 2014 15:57:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18923 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 18923-submit@debbugs.gnu.org id=B18923.141494378327596 (code B ref 18923); Sun, 02 Nov 2014 15:57:01 +0000 Original-Received: (at 18923) by debbugs.gnu.org; 2 Nov 2014 15:56:23 +0000 Original-Received: from localhost ([127.0.0.1]:46265 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XkxVv-0007B2-KZ for submit@debbugs.gnu.org; Sun, 02 Nov 2014 10:56:23 -0500 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:35144) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XkxVt-0007Ai-CE for 18923@debbugs.gnu.org; Sun, 02 Nov 2014 10:56:22 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Au4MAOatTlRFpY87/2dsb2JhbABcgw6DYoZ+y1MEAgKBHBcBAXyEAwEBAwFWIwULCzQSFBgNJIhLCctyAQEBAQYBAQEBHpEIB4RLBYtkpjyBb4QWH4J6AQEB X-IPAS-Result: Au4MAOatTlRFpY87/2dsb2JhbABcgw6DYoZ+y1MEAgKBHBcBAXyEAwEBAwFWIwULCzQSFBgNJIhLCctyAQEBAQYBAQEBHpEIB4RLBYtkpjyBb4QWH4J6AQEB X-IronPort-AV: E=Sophos;i="5.04,797,1406606400"; d="scan'208";a="95794093" Original-Received: from 69-165-143-59.dsl.teksavvy.com (HELO ceviche.home) ([69.165.143.59]) by ironport2-out.teksavvy.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 02 Nov 2014 10:56:15 -0500 Original-Received: by ceviche.home (Postfix, from userid 20848) id 3D88466108; Sun, 2 Nov 2014 10:56:15 -0500 (EST) In-Reply-To: <83a949y6r1.fsf@gnu.org> (Eli Zaretskii's message of "Sun, 02 Nov 2014 17:14:26 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:95381 >> (cl-incf ammount vscroll) > Why not use '(setq amount (+ amount vscroll))' instead? It should be > marginally faster. No, it's identical: (macroexpand '(cl-incf ammount vscroll)) => (setq ammount (+ ammount vscroll)) > why is it a good idea to use cl-reduce here, Because it's a lot more concise. Stefan