From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stephen Leake Newsgroups: gmane.emacs.devel Subject: Re: Generalizing find-definition Date: Tue, 04 Nov 2014 08:58:09 -0600 Message-ID: <85a947rp1a.fsf@stephe-leake.org> References: <20141102151524.0d9c665c@forcix> <20141102172944.0f7944e3@forcix> <20141103084433.12117c03@forcix> <20141103192853.2702fe7a@forcix> <20141103215526.28edeb27@forcix> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1415113114 5030 80.91.229.3 (4 Nov 2014 14:58:34 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 4 Nov 2014 14:58:34 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Nov 04 15:58:27 2014 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 1XlfYw-0006UA-Qq for ged-emacs-devel@m.gmane.org; Tue, 04 Nov 2014 15:58:26 +0100 Original-Received: from localhost ([::1]:40971 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XlfYw-0003ZE-Dj for ged-emacs-devel@m.gmane.org; Tue, 04 Nov 2014 09:58:26 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50990) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XlfYn-0003W3-50 for emacs-devel@gnu.org; Tue, 04 Nov 2014 09:58:22 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XlfYh-0002S5-9c for emacs-devel@gnu.org; Tue, 04 Nov 2014 09:58:17 -0500 Original-Received: from dnvrco-outbound-snat.email.rr.com ([107.14.73.225]:57737 helo=dnvrco-oedge-vip.email.rr.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XlfYh-0002Ry-4K for emacs-devel@gnu.org; Tue, 04 Nov 2014 09:58:11 -0500 Original-Received: from [70.94.38.149] ([70.94.38.149:49856] helo=TAKVER) by dnvrco-oedge01 (envelope-from ) (ecelerity 3.5.0.35861 r(Momo-dev:tip)) with ESMTP id BE/04-25796-289E8545; Tue, 04 Nov 2014 14:58:10 +0000 In-Reply-To: (Stefan Monnier's message of "Mon, 03 Nov 2014 17:39:10 -0500") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.94 (windows-nt) X-RR-Connecting-IP: 107.14.64.118:25 X-Authority-Analysis: v=2.1 cv=YuWBRuoX c=1 sm=1 tr=0 a=AppmJ/7ZOOFWL/q6u6u93g==:117 a=AppmJ/7ZOOFWL/q6u6u93g==:17 a=ayC55rCoAAAA:8 a=fNEgcOh0sVsA:10 a=9i_RQKNPAAAA:8 a=DsEC3Pk4-bSsK7165lcA:9 a=WmN95ML6aQsA:10 a=bMvS513shrcA:10 X-Cloudmark-Score: 0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 107.14.73.225 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:176342 Archived-At: Stefan Monnier writes: >> What is the advantage of having the backend define a function that >> returns a completion table as opposed to a function that prompts the >> user for a symbol? The saved code seems minimal, and it means the >> backend can not set the prompt, for example. > > Another reason is the general rule that the backend should not do > UI tasks and prompting is definitely a UI operation. +1 -- -- Stephe