--- /dev/null
+Return-Path: <amdragon@mit.edu>\r
+X-Original-To: notmuch@notmuchmail.org\r
+Delivered-To: notmuch@notmuchmail.org\r
+Received: from localhost (localhost [127.0.0.1])\r
+ by olra.theworths.org (Postfix) with ESMTP id 427DE429E21\r
+ for <notmuch@notmuchmail.org>; Wed, 16 Nov 2011 07:41:18 -0800 (PST)\r
+X-Virus-Scanned: Debian amavisd-new at olra.theworths.org\r
+X-Spam-Flag: NO\r
+X-Spam-Score: -0.7\r
+X-Spam-Level: \r
+X-Spam-Status: No, score=-0.7 tagged_above=-999 required=5\r
+ tests=[RCVD_IN_DNSWL_LOW=-0.7] autolearn=disabled\r
+Received: from olra.theworths.org ([127.0.0.1])\r
+ by localhost (olra.theworths.org [127.0.0.1]) (amavisd-new, port 10024)\r
+ with ESMTP id F0haaqxzQzbk for <notmuch@notmuchmail.org>;\r
+ Wed, 16 Nov 2011 07:41:17 -0800 (PST)\r
+Received: from dmz-mailsec-scanner-6.mit.edu (DMZ-MAILSEC-SCANNER-6.MIT.EDU\r
+ [18.7.68.35])\r
+ by olra.theworths.org (Postfix) with ESMTP id C2099431FB6\r
+ for <notmuch@notmuchmail.org>; Wed, 16 Nov 2011 07:41:17 -0800 (PST)\r
+X-AuditID: 12074423-b7f266d0000008b8-7c-4ec3d99c4e4b\r
+Received: from mailhub-auth-2.mit.edu ( [18.7.62.36])\r
+ by dmz-mailsec-scanner-6.mit.edu (Symantec Messaging Gateway) with SMTP\r
+ id 96.B5.02232.C99D3CE4; Wed, 16 Nov 2011 10:41:16 -0500 (EST)\r
+Received: from outgoing.mit.edu (OUTGOING-AUTH.MIT.EDU [18.7.22.103])\r
+ by mailhub-auth-2.mit.edu (8.13.8/8.9.2) with ESMTP id pAGFfFKk016795; \r
+ Wed, 16 Nov 2011 10:41:16 -0500\r
+Received: from awakening.csail.mit.edu (awakening.csail.mit.edu [18.26.4.91])\r
+ (authenticated bits=0)\r
+ (User authenticated as amdragon@ATHENA.MIT.EDU)\r
+ by outgoing.mit.edu (8.13.6/8.12.4) with ESMTP id pAGFfEVU014059\r
+ (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=NOT);\r
+ Wed, 16 Nov 2011 10:41:15 -0500 (EST)\r
+Received: from amthrax by awakening.csail.mit.edu with local (Exim 4.77)\r
+ (envelope-from <amdragon@mit.edu>)\r
+ id 1RQheU-0002Qm-JU; Wed, 16 Nov 2011 10:43:54 -0500\r
+Date: Wed, 16 Nov 2011 10:43:54 -0500\r
+From: Austin Clements <amdragon@MIT.EDU>\r
+To: David Bremner <david@tethera.net>\r
+Subject: Re: Winter is coming [upcoming release 0.10]\r
+Message-ID: <20111116154317.GC2852@mit.edu>\r
+References: <87aa805cm5.fsf@zancas.localnet> <87zkfwn4lm.fsf@zancas.localnet>\r
+MIME-Version: 1.0\r
+Content-Type: text/plain; charset=us-ascii\r
+Content-Disposition: inline\r
+In-Reply-To: <87zkfwn4lm.fsf@zancas.localnet>\r
+User-Agent: Mutt/1.5.21 (2010-09-15)\r
+X-Brightmail-Tracker:\r
+ H4sIAAAAAAAAA+NgFmpmleLIzCtJLcpLzFFi42IRYrdT0Z1z87CfwfOn8hY3WrsZLa7fnMns\r
+ wOTxbNUtZo8th94zBzBFcdmkpOZklqUW6dslcGV8fjKVqeAyU8XMieYNjH1MXYycHBICJhJT\r
+ Nx5jgbDFJC7cW8/WxcjFISSwj1Hi7K12RghnA6PEtUWHmCCck0wSk848YoVwljBKzG3+BTaL\r
+ RUBVYtXz26wgNpuAhsS2/csZQWwRoPjVbZPZQGxmAS2JrRs/gMWFBUwlfhx9CBbnFdCWOH+s\r
+ ASwuJOAvceDGNqi4oMTJmU9YYHpv/HsJtIsDyJaWWP6PAyTMKaAr0XVqIli5qICKxJST29gm\r
+ MArNQtI9C0n3LITuBYzMqxhlU3KrdHMTM3OKU5N1i5MT8/JSi3TN9HIzS/RSU0o3MYLD2kV5\r
+ B+Ofg0qHGAU4GJV4eF/OOeQnxJpYVlyZe4hRkoNJSZTX9PJhPyG+pPyUyozE4oz4otKc1OJD\r
+ jBIczEoivC67gHK8KYmVValF+TApaQ4WJXFemZ0OfkIC6YklqdmpqQWpRTBZGQ4OJQneOzeA\r
+ GgWLUtNTK9Iyc0oQ0kwcnCDDeYCGi4PU8BYXJOYWZ6ZD5E8xKkqJ864ASQiAJDJK8+B6YWnn\r
+ FaM40CvCvNNBqniAKQuu+xXQYCagwWsPHgAZXJKIkJJqYDwasNj8weOyWz8tVdOY7yrNlXd8\r
+ Yen8pHrP22fWPkZa9kK1dRGrne/KNEqnfPupULhbT/Qk41dDMZ6l+yQFzUsfX9Lha91zuGvn\r
+ U1+n6y8/GGy8tN9Ie4qo3EnJM54qBz5qqF3o/3rD22DThO1NfM/ZHj86xzw196KHdKayLZPi\r
+ jhcz6z7JXFFiKc5INNRiLipOBACodd9OFgMAAA==\r
+Cc: Notmuch Mail <notmuch@notmuchmail.org>\r
+X-BeenThere: notmuch@notmuchmail.org\r
+X-Mailman-Version: 2.1.13\r
+Precedence: list\r
+List-Id: "Use and development of the notmuch mail system."\r
+ <notmuch.notmuchmail.org>\r
+List-Unsubscribe: <http://notmuchmail.org/mailman/options/notmuch>,\r
+ <mailto:notmuch-request@notmuchmail.org?subject=unsubscribe>\r
+List-Archive: <http://notmuchmail.org/pipermail/notmuch>\r
+List-Post: <mailto:notmuch@notmuchmail.org>\r
+List-Help: <mailto:notmuch-request@notmuchmail.org?subject=help>\r
+List-Subscribe: <http://notmuchmail.org/mailman/listinfo/notmuch>,\r
+ <mailto:notmuch-request@notmuchmail.org?subject=subscribe>\r
+X-List-Received-Date: Wed, 16 Nov 2011 15:41:18 -0000\r
+\r
+Quoth David Bremner on Nov 15 at 11:11 pm:\r
+> Austin Clements:\r
+> emacs: Use a single buffer invisibility spec to fix quadratic search cost.\r
+\r
+To avoid conflicts on NEWS, here's the text to put under\r
+"Optimizations" (which should perhaps be "Performance" instead?):\r
+\r
+\r
+Emacs now constructs large search buffers more efficiently\r