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#63345: 28.2; provided-mode-derived-p doesn't work when passed an alias in MODES Date: Sun, 07 May 2023 13:52:26 +0300 Message-ID: <83o7mwe7md.fsf@gnu.org> References: <875y94tqry.fsf@cassou.me> 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="8090"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 63345@debbugs.gnu.org To: Damien Cassou , Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun May 07 12:52:20 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 1pvc04-0001qk-7z for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 07 May 2023 12:52:20 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pvbzp-0004Mr-Uu; Sun, 07 May 2023 06:52:06 -0400 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 1pvbzn-0004Ly-6s for bug-gnu-emacs@gnu.org; Sun, 07 May 2023 06:52:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pvbzm-0002d4-07 for bug-gnu-emacs@gnu.org; Sun, 07 May 2023 06:52:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1pvbzl-0006nX-N7 for bug-gnu-emacs@gnu.org; Sun, 07 May 2023 06:52:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 07 May 2023 10:52:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 63345 X-GNU-PR-Package: emacs Original-Received: via spool by 63345-submit@debbugs.gnu.org id=B63345.168345669926085 (code B ref 63345); Sun, 07 May 2023 10:52:01 +0000 Original-Received: (at 63345) by debbugs.gnu.org; 7 May 2023 10:51:39 +0000 Original-Received: from localhost ([127.0.0.1]:36560 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pvbzP-0006me-BB for submit@debbugs.gnu.org; Sun, 07 May 2023 06:51:39 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:44934) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pvbzN-0006mS-Mx for 63345@debbugs.gnu.org; Sun, 07 May 2023 06:51:38 -0400 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 1pvbzH-0002Zu-Pu; Sun, 07 May 2023 06:51:31 -0400 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=l1ua/pUAKSaZN3viHZWUVpnPSYrg/P2ERwYks97cTcY=; b=aOgaVotkAloVJYJ9wgDA duQ4XMVnNKAXncgNtsDeVm7VEj9K5sgJ+QdRfqjUaY4p/P2mR8iw/g9cLuUNKjTR/3hF0yeltLRsS xPlyixWpnvWLl145FmcM88YFNuvycjxrwpUJPWMiWlyyjsEupBghHHzQX8m6C6jlI0Zwp4lV+htMR 3MaPJ92WJX1I+aU2VTIkonTTtJfs/ryDN/RlLupZAXzw1yDvI8+3fK040ZuHpWGpKZUS8L0lkiSXs mn7h7l5SmHvkMhU0aBJ8kQ9MkEjcPixB62Nq0tW52F04NFUAKmrccqJB6RsIyqsbmUhHFZq9KVMTZ qv91XwNJxXIvWw==; Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pvbzE-0007u0-1H; Sun, 07 May 2023 06:51:31 -0400 In-Reply-To: <875y94tqry.fsf@cassou.me> (message from Damien Cassou on Sun, 07 May 2023 11:49:37 +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:261250 Archived-At: > From: Damien Cassou > Date: Sun, 07 May 2023 11:49:37 +0200 > > The function `provided-mode-derived-p` (used by `derived-mode-p`) has > the code below. The first 3 lines of the function takes care of > converting the first argument MODE if it is an alias (as > `javascript-mode` is an alias for `js-mode`). This works great when > calling the function this way: > > (provided-mode-derived-p 'javascript-mode 'prog-mode) > ⇒ prog-mode > > But if the second argument MODES contains an alias, the code has no > conversion mechanism and the line below returns nil even though I > expect it to return non-nil: > > (provided-mode-derived-p 'javacript-mode 'javascript-mode) > ⇒ nil > > Is that a bug? Adding Stefan.