From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id eIHGCHZPB18rOQAA0tVLHw (envelope-from ) for ; Thu, 09 Jul 2020 17:10:14 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0 with LMTPS id UMCkBHZPB18kCAAA1q6Kng (envelope-from ) for ; Thu, 09 Jul 2020 17:10:14 +0000 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id CD1EB9404CB for ; Thu, 9 Jul 2020 17:10:12 +0000 (UTC) Received: from localhost ([::1]:60186 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jta3l-0002hP-Kq for larch@yhetil.org; Thu, 09 Jul 2020 13:10:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47914) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jta3M-0002hA-Sg for emacs-orgmode@gnu.org; Thu, 09 Jul 2020 13:09:44 -0400 Received: from latitanza.investici.org ([2001:888:2000:56::19]:42677) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jta3K-0002c5-CR for emacs-orgmode@gnu.org; Thu, 09 Jul 2020 13:09:44 -0400 Received: from mx3.investici.org (unknown [127.0.0.1]) by latitanza.investici.org (Postfix) with ESMTP id E9C0E12019C; Thu, 9 Jul 2020 17:09:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=anche.no; s=stigmate; t=1594314576; bh=BNjid6XaCAzT2iUGPkmMajTsixV6mV9ZT+LjNiEwOzA=; h=To:From:Subject:Date:From; b=sS8qYN5IC8agPgE/94FlRaVm3v2arAQCiql0cSOTLr4vYjWSF2hMKjSldxpoWOU36 YUEDHUgLnwM1GLc9NxvAe1hDVaAtHz4g3iXB1LQYHyG2Ei0VR4GSWfDgM5kvwpn6+Z fpsdPXZtv4fgcOU7IPdMJfdrtyMy8dqHAAw4/6BA= Received: from [82.94.249.234] (mx3.investici.org [82.94.249.234]) (Authenticated sender: mariotomo@inventati.org) by localhost (Postfix) with ESMTPSA id B2C5412016B; Thu, 9 Jul 2020 17:09:35 +0000 (UTC) To: emacs-orgmode@gnu.org From: Mario Frasca Subject: empty/nil in table cells Message-ID: Date: Thu, 9 Jul 2020 12:08:44 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Received-SPF: pass client-ip=2001:888:2000:56::19; envelope-from=mario@anche.no; helo=latitanza.investici.org X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-orgmode@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+larch=yhetil.org@gnu.org Sender: "Emacs-orgmode" X-Scanner: scn0 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=anche.no header.s=stigmate header.b=sS8qYN5I; dmarc=none; spf=pass (aspmx1.migadu.com: domain of emacs-orgmode-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=emacs-orgmode-bounces@gnu.org X-Spam-Score: -1.21 X-TUID: bNzFN5hYQ2Iw Hi people, I've been experimenting with associating the empty cell with the value nil, both ways, and it simplifies a lot writing functions. also, I've removed the error generation when reading from outside the table (instead of giving up with a user-error, I now get a nil). it works for me, and I don't see counterindications.  is it worthwhile, offering you the patch? MF