From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#67991: 30.0.50; boundp always returns nil in format-mode-line with let* after 0fde935 Date: Sun, 24 Dec 2023 09:45:41 +0200 Message-ID: <83cyuwcaca.fsf@gnu.org> References: <83msu0dg5p.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="6604"; mail-complaints-to="usenet@ciao.gmane.io" Cc: monnier@iro.umontreal.ca, aaronjensen@gmail.com, 67991@debbugs.gnu.org To: Gerd =?UTF-8?Q?M=C3=B6llmann?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Dec 24 08:47:13 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 1rHJCb-0001V3-Fn for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 24 Dec 2023 08:47:13 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rHJCM-0005QY-Vd; Sun, 24 Dec 2023 02:46:58 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rHJCK-0005QP-Ox for bug-gnu-emacs@gnu.org; Sun, 24 Dec 2023 02:46:56 -0500 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rHJCK-0002Wv-Gw for bug-gnu-emacs@gnu.org; Sun, 24 Dec 2023 02:46:56 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1rHJCQ-0001dd-0n for bug-gnu-emacs@gnu.org; Sun, 24 Dec 2023 02:47:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 24 Dec 2023 07:47:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 67991 X-GNU-PR-Package: emacs Original-Received: via spool by 67991-submit@debbugs.gnu.org id=B67991.17034039644727 (code B ref 67991); Sun, 24 Dec 2023 07:47:01 +0000 Original-Received: (at 67991) by debbugs.gnu.org; 24 Dec 2023 07:46:04 +0000 Original-Received: from localhost ([127.0.0.1]:51660 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rHJBT-0001DT-Vo for submit@debbugs.gnu.org; Sun, 24 Dec 2023 02:46:04 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:48622) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rHJBS-00011L-J0 for 67991@debbugs.gnu.org; Sun, 24 Dec 2023 02:46:03 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rHJBG-0002SN-21; Sun, 24 Dec 2023 02:45:50 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=uVx6aMOuQD2GbEOGui2/pF5PuC1m3VDKgCmhtpeZh+U=; b=MKq+tuMDZOaUgXf0lv9Z x4lvI3Hrc7qTLpMdwCLSLc2N4LQKELYbzpYJdfXuxwaDCdBrqZZTfgWBu/hD1zNYA/JkomyvPlF4E CMM7OwVT+1ZiPX9Iz3yS09C5RcriVBellN79r4iMGre/n7oaBXKfNk7ydzeqojALgBEKtfjOEWNGF 9+hSr5Nubhm791ZSPsiAZ4C92TlYzv4uhJjiiQ8inSD4cNRkziRDNB/yeuaqO4S40YNK2jiA1wu4B VX9IkovnKElaA44rlzWYksgSvc/pUcJaEC71xKxTIV1QT1MbpEGcdxSI4xNo4kSF4EeZRxIMmGVlV g+5kGftoprbo8g==; In-Reply-To: (message from Gerd =?UTF-8?Q?M=C3=B6llmann?= on Sun, 24 Dec 2023 08:13:39 +0100) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:276790 Archived-At: > From: Gerd Möllmann > Cc: Aaron Jensen , monnier@iro.umontreal.ca, > 67991@debbugs.gnu.org > Date: Sun, 24 Dec 2023 08:13:39 +0100 > > Eli Zaretskii writes: > > > This one will return t: > > > > (format-mode-line > > '(:eval (progn > > (defvar some-var) > > (let* ((some-var "some-value") > > (_ (message "Bound: %S" (boundp 'some-var)))) > > (message "Var: %S, Bound: %S" some-var (boundp 'some-var)))))) > > > > Indeed. Looking at Fdefvar, one can see that a "(defvar foo)" does this > when lexical-binding is t > > /* A simple (defvar foo) with lexical scoping does "nothing" except > declare that var to be dynamically scoped *locally* (i.e. within > the current file or let-block). */ > > while it does nothing at all if lexical-binding is nil. Maybe defvar's > doc string could give some hint to that. This sentence at least is not > true for "(defvar SYMBOL)": > > The ‘defvar’ form also declares the variable as "special", > so that it is always dynamically bound even if ‘lexical-binding’ is t. Thanks, I hope I clarified the doc string now.