From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gerd =?UTF-8?Q?M=C3=B6llmann?= 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 08:13:39 +0100 Message-ID: References: <83msu0dg5p.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15811"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: monnier@iro.umontreal.ca, Aaron Jensen , 67991@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Dec 24 08:14:13 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 1rHIge-0003xk-Ks for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 24 Dec 2023 08:14:12 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rHIgP-0007T9-3y; Sun, 24 Dec 2023 02:13:57 -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 1rHIgO-0007Ss-EH for bug-gnu-emacs@gnu.org; Sun, 24 Dec 2023 02:13:56 -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 1rHIgO-0002eb-5m for bug-gnu-emacs@gnu.org; Sun, 24 Dec 2023 02:13:56 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1rHIgT-0001Q3-Sd for bug-gnu-emacs@gnu.org; Sun, 24 Dec 2023 02:14:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Gerd =?UTF-8?Q?M=C3=B6llmann?= Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 24 Dec 2023 07:14:01 +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=B67991.17034020365438 (code B ref 67991); Sun, 24 Dec 2023 07:14:01 +0000 Original-Received: (at 67991) by debbugs.gnu.org; 24 Dec 2023 07:13:56 +0000 Original-Received: from localhost ([127.0.0.1]:51644 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rHIgO-0001Pd-35 for submit@debbugs.gnu.org; Sun, 24 Dec 2023 02:13:56 -0500 Original-Received: from mail-ej1-x62c.google.com ([2a00:1450:4864:20::62c]:53341) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rHIgL-0001PO-Se for 67991@debbugs.gnu.org; Sun, 24 Dec 2023 02:13:54 -0500 Original-Received: by mail-ej1-x62c.google.com with SMTP id a640c23a62f3a-a2699ee30d1so255789366b.2 for <67991@debbugs.gnu.org>; Sat, 23 Dec 2023 23:13:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1703402022; x=1704006822; darn=debbugs.gnu.org; h=content-transfer-encoding:mime-version:user-agent:message-id:date :references:in-reply-to:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=MJRj/9abmIRnB0O6LrUhhsimd/SibbY9Pq3k9L8ItVk=; b=JpctpG0+9/0vBg3tFOa76/+BXaZ6H2PH/n64CwczawnUZEnraG9QQMd8sA0dKk/PVu h6V60tQshtzyU/fUhAc9a1HtorVjhNUNSj07OfWjJekxOd0eTfFqMyk2cy0DAs+0BD0T Y2teWk1pydeToBNtrun1P0fJWkw4ESrUaVn3mcxuVmq5owZun6Ng/E8g2UvNV12F9VFn yJJokeEzgES60hT4ZFFzkXQGjWJCjSwYTpZ0mNkIdvOtj/unpnJnueWwipgOr61+ZVFJ 7NosOKNA6wNcqkjAETWyP8nwFwXvSw97lBIXW/QphqS2+JM4yN0l3PhccQGNLjHTtQhM +4ig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703402022; x=1704006822; h=content-transfer-encoding:mime-version:user-agent:message-id:date :references:in-reply-to:subject:cc:to:from:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=MJRj/9abmIRnB0O6LrUhhsimd/SibbY9Pq3k9L8ItVk=; b=dZJDo9Tp3a1OCjGj8p9Pvhn+JD1TJ5gHJKcZ9pmG9gyM02nVQyZ2ItdGgqFAZzR+sm 5ZGj105WRH10NfyHJkNUpo//vUBvY5yg3UR2VKjUpYAxc2ZPPdzqzPNE8jk1i09qRJLO x3RVtNHP4iuK5uydwSPgyUlhB0v4Tbfzm4XNVhOQZrTwuuWcOqYRBnmHkggHjrxQr4k5 o+Xm5OkcmFtnzBCdQOfnYfxCUs7qEwuP+OY1njScuOQPyD7HB9lwzT4kuqWNj3JdJSNo LghCIiOLyN46CUsF8cL253c7dzlCpcsB3WvaIk5Y9YH4jZvdngJEfoakWoh0kLL+ExBO 4kQw== X-Gm-Message-State: AOJu0YyU5VRXcbdBDZ9IVReWrcoPtVYGWiBhRPjFkA8KvbCZMXzmJ9CB 52YIRh5DAJeoB2AINKoXKvHxHTupV+A= X-Google-Smtp-Source: AGHT+IHo1gRNf8/GUA7T75llKB7ARLJX/7Qh5rcrg0kxtKOJuxIAPXO5Ii70SmhutPK3LIUqqa1M7A== X-Received: by 2002:a17:906:d011:b0:a23:b67:d044 with SMTP id z17-20020a170906d01100b00a230b67d044mr1790325ejy.8.1703402021500; Sat, 23 Dec 2023 23:13:41 -0800 (PST) Original-Received: from Pro.fritz.box (p4fe3a021.dip0.t-ipconnect.de. [79.227.160.33]) by smtp.gmail.com with ESMTPSA id v27-20020a17090610db00b00a2689e28445sm3651529ejv.106.2023.12.23.23.13.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 23 Dec 2023 23:13:41 -0800 (PST) In-Reply-To: <83msu0dg5p.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 23 Dec 2023 18:42:26 +0200") 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:276789 Archived-At: 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 =E2=80=98defvar=E2=80=99 form also declares the variable as "sp= ecial", so that it is always dynamically bound even if =E2=80=98lexical-binding=E2= =80=99 is t.