From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Drew Adams Newsgroups: gmane.emacs.bugs Subject: bug#67053: 29.1; Doc string of variable `dired-use-ls-dired' Date: Fri, 10 Nov 2023 23:40:45 +0000 Message-ID: References: <87a5rldzec.fsf@jeremybryant.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10374"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 67053@debbugs.gnu.org To: Jeremy Bryant Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Nov 11 00:41:48 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1r1b8G-0002My-1W for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 11 Nov 2023 00:41:48 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r1b7s-00011M-E7; 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Yes, it mentions MS Windows. But that text is unrelated to this bug, which is about the value that results from checking for support of "--dired". It's not clear from the doc that that result can be `unspecified'. The wording suggests that the "check" clears up `unspecified', replacing it, presumably, with either nil or some non-nil value other than `unspecified'. The special value of `unspecified' apparently does _not_ just mean that such a check is needed and will be done. The value means that support isn't known, whether or not the check has been done.