From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: Processed: Re: bug#19717: 24.4.50; printing.el still uses ps-eval-switch Date: Tue, 24 May 2016 22:13:56 -0700 Organization: UCLA Computer Science Department Message-ID: <57453494.2020800@cs.ucla.edu> References: <83oa7x5wpc.fsf@gnu.org> <83k2ik68h2.fsf@gnu.org> <83bn3w675o.fsf@gnu.org> <834m9o659c.fsf@gnu.org> <83fut74fbu.fsf@gnu.org> <83bn3v4bcj.fsf@gnu.org> <837fei4zy8.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1464153290 22827 80.91.229.3 (25 May 2016 05:14:50 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 25 May 2016 05:14:50 +0000 (UTC) Cc: emacs-devel@gnu.org To: Eli Zaretskii , Chad Brown Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed May 25 07:14:41 2016 Return-path: Envelope-to: ged-emacs-devel@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 1b5R9V-0004g8-DT for ged-emacs-devel@m.gmane.org; Wed, 25 May 2016 07:14:41 +0200 Original-Received: from localhost ([::1]:57347 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b5R9U-0005n8-9g for ged-emacs-devel@m.gmane.org; Wed, 25 May 2016 01:14:40 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59961) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b5R8z-0005mr-KA for emacs-devel@gnu.org; Wed, 25 May 2016 01:14:10 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b5R8y-00074n-Pq for emacs-devel@gnu.org; Wed, 25 May 2016 01:14:09 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:35113) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b5R8t-00071Y-RW; Wed, 25 May 2016 01:14:03 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 4C4FA161320; Tue, 24 May 2016 22:14:01 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id VRSfkm1pPw1A; Tue, 24 May 2016 22:14:00 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 9A942161378; Tue, 24 May 2016 22:14:00 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id IAXHdWea-uyz; Tue, 24 May 2016 22:14:00 -0700 (PDT) Original-Received: from [192.168.1.9] (unknown [100.32.155.148]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 796A9161320; Tue, 24 May 2016 22:14:00 -0700 (PDT) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 In-Reply-To: <837fei4zy8.fsf@gnu.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 131.179.128.68 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:203993 Archived-At: Eli Zaretskii wrote: > That makes no sense to me: the browser and > the cache don't understand the semantics of each operation at all They don't need to. They can rely on non-semantic metadata that the origin web server provides, e.g., an entity tag. However, if the origin web server is misbehaving when a blocking bug is fixed, or if the browser or intermediate cache is misbehaving in that particular case, one could see the symptoms you're observing.