From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Richard Riley Newsgroups: gmane.emacs.help Subject: Re: What is the :eval form ? Date: Sat, 09 Jun 2012 08:40:44 +0200 Organization: aich tea tea pea dicky riley dot net Message-ID: References: <87d35965s1.fsf@thinkpad.tsdh.de> Reply-To: help-gnu-emacs@gnu.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1339224321 9466 80.91.229.3 (9 Jun 2012 06:45:21 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sat, 9 Jun 2012 06:45:21 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sat Jun 09 08:45:20 2012 Return-path: Envelope-to: geh-help-gnu-emacs@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 1SdFQE-0002uA-17 for geh-help-gnu-emacs@m.gmane.org; Sat, 09 Jun 2012 08:45:18 +0200 Original-Received: from localhost ([::1]:56636 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SdFQD-0003F4-SK for geh-help-gnu-emacs@m.gmane.org; Sat, 09 Jun 2012 02:45:17 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:50837) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SdFQ8-0003Ez-GU for help-gnu-emacs@gnu.org; Sat, 09 Jun 2012 02:45:13 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SdFQ6-000222-V7 for help-gnu-emacs@gnu.org; Sat, 09 Jun 2012 02:45:12 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:39660) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SdFQ6-00021y-Oi for help-gnu-emacs@gnu.org; Sat, 09 Jun 2012 02:45:10 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1SdFQ2-0002f5-V6 for help-gnu-emacs@gnu.org; Sat, 09 Jun 2012 08:45:06 +0200 Original-Received: from 85.183.18.158 ([85.183.18.158]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 09 Jun 2012 08:45:06 +0200 Original-Received: from rileyrg by 85.183.18.158 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 09 Jun 2012 08:45:06 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Original-Lines: 31 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: 85.183.18.158 Mail-Copies-To: never User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1.50 (gnu/linux) Cancel-Lock: sha1:v8S8Uj0mN6gBiBoLJjW2IN6dLos= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:85172 Archived-At: Tassilo Horn writes: > Philippe M. Coatmeur writes: > > Hi Philippe, > >> How can I find information about this special form ? When I ask emacs >> using C-h f with point over it, it acts like google and shows me the >> "plain eval" info page... :( > > :eval is neither a function nor a special form, it is a keyword. > > ,----[ (info "(elisp)Symbol Type") ] > | A symbol whose name starts with a colon (`:') is called a "keyword > | symbol". These symbols automatically act as constants, and are > | normally used only by comparing an unknown symbol with a few specific > | alternatives. > `---- Is that also true in a function call? e.g ,---- | (notifications-notify :title "Wazzup!?" :message message)) `---- title and message are not keywords here. Or is the keyword "symbol" here?