From a368327594edd99178117493697e98f06069b529 Mon Sep 17 00:00:00 2001 From: David Bremner Date: Tue, 21 May 2013 12:45:41 +2100 Subject: [PATCH] Re: [PATCH] emacs: Avoid deprecated function flet --- 8a/be1097d08e6f9bdae1c49c86ccebfb27f2e073 | 83 +++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 8a/be1097d08e6f9bdae1c49c86ccebfb27f2e073 diff --git a/8a/be1097d08e6f9bdae1c49c86ccebfb27f2e073 b/8a/be1097d08e6f9bdae1c49c86ccebfb27f2e073 new file mode 100644 index 000000000..9bba99fa1 --- /dev/null +++ b/8a/be1097d08e6f9bdae1c49c86ccebfb27f2e073 @@ -0,0 +1,83 @@ +Return-Path: +X-Original-To: notmuch@notmuchmail.org +Delivered-To: notmuch@notmuchmail.org +Received: from localhost (localhost [127.0.0.1]) + by olra.theworths.org (Postfix) with ESMTP id C742F431FBC + for ; Mon, 20 May 2013 08:45:56 -0700 (PDT) +X-Virus-Scanned: Debian amavisd-new at olra.theworths.org +X-Spam-Flag: NO +X-Spam-Score: -2.3 +X-Spam-Level: +X-Spam-Status: No, score=-2.3 tagged_above=-999 required=5 + tests=[RCVD_IN_DNSWL_MED=-2.3] autolearn=disabled +Received: from olra.theworths.org ([127.0.0.1]) + by localhost (olra.theworths.org [127.0.0.1]) (amavisd-new, port 10024) + with ESMTP id FZiuxsSOfsIN for ; + Mon, 20 May 2013 08:45:49 -0700 (PDT) +Received: from tempo.its.unb.ca (tempo.its.unb.ca [131.202.1.21]) + (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) + (No client certificate requested) + by olra.theworths.org (Postfix) with ESMTPS id 257FB431FB6 + for ; Mon, 20 May 2013 08:45:49 -0700 (PDT) +Received: from tesseract.cs.unb.ca (tesseract.cs.unb.ca [131.202.240.238]) + by tempo.its.unb.ca (8.13.8/8.13.8) with ESMTP id r4KFjl4H008228; + Mon, 20 May 2013 12:45:47 -0300 +Received: from fctnnbsc30w-156034082078.dhcp-dynamic.fibreop.nb.bellaliant.net + ([156.34.82.78] helo=zancas.localnet) + by tesseract.cs.unb.ca with esmtpsa + (TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.80) + (envelope-from ) + id 1UeSHT-0007T2-CW; Mon, 20 May 2013 12:45:47 -0300 +Received: from bremner by zancas.localnet with local (Exim 4.80) + (envelope-from ) + id 1UeSHN-0007hv-HX; Mon, 20 May 2013 12:45:41 -0300 +From: David Bremner +To: Austin Clements , notmuch@notmuchmail.org +Subject: Re: [PATCH] emacs: Avoid deprecated function flet +In-Reply-To: <1368976447-5153-1-git-send-email-amdragon@mit.edu> +References: <87vc6fjjdp.fsf@zancas.localnet> + <1368976447-5153-1-git-send-email-amdragon@mit.edu> +User-Agent: Notmuch/0.15.2+105~ge63aa66 (http://notmuchmail.org) Emacs/24.3.1 + (x86_64-pc-linux-gnu) +Date: Mon, 20 May 2013 12:45:41 -0300 +Message-ID: <8761ydr6xm.fsf@zancas.localnet> +MIME-Version: 1.0 +Content-Type: text/plain +X-Spam_bar: - +X-BeenThere: notmuch@notmuchmail.org +X-Mailman-Version: 2.1.13 +Precedence: list +List-Id: "Use and development of the notmuch mail system." + +List-Unsubscribe: , + +List-Archive: +List-Post: +List-Help: +List-Subscribe: , + +X-List-Received-Date: Mon, 20 May 2013 15:45:57 -0000 + +Austin Clements writes: + +> flet was deprecated in Emacs 24.3 and replaced with cl-flet. However, +> cl-flet lexically binds the function symbol, while we depend on flet +> dynamically binding the function symbol. Hence, this patch replaces +> the deprecated flet use with letf, which lets us dynamically bind the +> function symbol, while remaining compatible with both Emacs 23 and 24. + +The bad news: letf is also marked as obsolete, although there is no +yelling from the byte-compiler yet. + +In my simple tests, it _seemed_ to work to replace letf with cl-letf, +although + +- that would require some kind of compatability alias +- the docstring for letf mutters something about "deprecated usage of + `symbol-function' in place forms. + +On the third hand, + + http://www.gnu.org/software/emacs/manual/html_node/elisp/Setting-Generalized-Variables.html#Setting-Generalized-Variables + +suggests using symbol-function with setf is legitimate. -- 2.26.2