From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Xue Fuqiao Newsgroups: gmane.emacs.help Subject: What does ":noerror" do? Date: Sun, 13 Oct 2013 06:57:10 +0800 Message-ID: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1381618637 29934 80.91.229.3 (12 Oct 2013 22:57:17 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 12 Oct 2013 22:57:17 +0000 (UTC) To: help-gnu-emacs Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Oct 13 00:57:22 2013 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 1VV87e-0000Z0-8n for geh-help-gnu-emacs@m.gmane.org; Sun, 13 Oct 2013 00:57:22 +0200 Original-Received: from localhost ([::1]:59551 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VV87d-0005bj-NA for geh-help-gnu-emacs@m.gmane.org; Sat, 12 Oct 2013 18:57:21 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50556) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VV87V-0005bc-2U for help-gnu-emacs@gnu.org; Sat, 12 Oct 2013 18:57:13 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VV87T-0005Q5-Q4 for help-gnu-emacs@gnu.org; Sat, 12 Oct 2013 18:57:13 -0400 Original-Received: from mail-ie0-x229.google.com ([2607:f8b0:4001:c03::229]:47343) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VV87T-0005Pf-K0 for help-gnu-emacs@gnu.org; Sat, 12 Oct 2013 18:57:11 -0400 Original-Received: by mail-ie0-f169.google.com with SMTP id ar20so1031511iec.0 for ; Sat, 12 Oct 2013 15:57:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=hWmDHVwaCgOSAJ+ffgZsM5pGeS4HYYZ444+zSg7N9fY=; b=xdBKMy3CJJWFeqvff9Z0pgpkH/KkiKZNPGuOPwJmIH+WaSgjwWj1jpptvddvgv1gb9 1g8WlC6U/nRBUldZXLjV5ogNEM+8ZWsxPdmpUqMzCDKjqUXFR1DmXSLaQftrfjCkwQCP aOY8TRpSz9kK2Ax+1tqqDFJ+++0d+1hf8pQXSFEl7jkHkGNtp95y5MCZbikzNd5BMSRr VtxMTUr3nToLUdN9SK7V1KZJ7jHBrgxQp1RevbP6FWfMCWzZ/ktelzY5BQtNfsVAeDG0 brZrmjxkqSsgis6k/7ANUAkBgypvyj4zqIqISDNAdoZ5ceQ0TjBbN3AcwQ3CillOVprb 3y7Q== X-Received: by 10.43.180.200 with SMTP id pf8mr39721icc.50.1381618630299; Sat, 12 Oct 2013 15:57:10 -0700 (PDT) Original-Received: by 10.42.133.72 with HTTP; Sat, 12 Oct 2013 15:57:10 -0700 (PDT) X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2607:f8b0:4001:c03::229 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:93972 Archived-At: Hi, >From a recent post in emacs-devel[fn:1], I found a usage like this: (message "Loading Emacspeak...%s" (if (load "emacspeak-loader" :noerror) "success!" "FAILED!")) I'm not sure what the =E2=80=98:noerror=E2=80=99 is. It seems that the =E2= =80=98:noerror=E2=80=99 is just like a random symbol, like =E2=80=98(quote noerror)=E2=80=99, but I co= uld't find this kind of usage in lispref. Any ideas? Footnotes: [fn:1] http://lists.gnu.org/archive/html/emacs-devel/2013-10/msg00256.html --=20 Best regards, Xue Fuqiao. http://www.gnu.org/software/emacs/