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.devel Subject: Re: Making Emacs Lisp easier to debug Date: Sat, 11 Nov 2023 13:10:44 +0200 Message-ID: <83fs1cwnnv.fsf@gnu.org> References: <838r74ye77.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="17228"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Nov 11 12:11:41 2023 Return-path: Envelope-to: ged-emacs-devel@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 1r1lts-0004Ip-KP for ged-emacs-devel@m.gmane-mx.org; Sat, 11 Nov 2023 12:11:40 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r1lt5-0003dK-9a; Sat, 11 Nov 2023 06:10:51 -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 1r1lt3-0003bO-KV for emacs-devel@gnu.org; Sat, 11 Nov 2023 06:10:49 -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 1r1lt2-00070o-MN; Sat, 11 Nov 2023 06:10:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=CRRLH36jhLty3XgpQeR+jR4bddiOFxbXGULbFl/3EUg=; b=NTpnPAWXKEhZ 6jcSeiB21ayLMMOx+P8oLWcW1NA5VJrtXiAzuJw5UztVoESjIGIOHBuFPVRoaOKYooz28MFRcOi0A uZq0IFEjrMNfDlXDTH7b4+3GAk60j3/jv2VlOK9gDZC8uQbBhdUre2EG44hegsNyn5Lh45MWzI1ti 6UqaCl36M56AMqG6NyCBQD1sh/YfxrFS2r+yBqRv7+JKlhR/AgL0oVtpzOltO9vmSiy8mxrz7JCyP tR6sM53KlJuKvfDHWCdTbD4r4elqfRH77r24Gk7eDqApDihw3dn89TAfcFsIX7Pfo6s051OET3ERQ Q1ozUoYrgfahR00Bm2uaoA==; In-Reply-To: (message from Alan Mackenzie on Sat, 11 Nov 2023 11:04:01 +0000) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:312539 Archived-At: > Date: Sat, 11 Nov 2023 11:04:01 +0000 > Cc: emacs-devel@gnu.org > From: Alan Mackenzie > > :-) I really meant has anybody looked into making redisplay reentrant. Good luck with that! (I also don't understand why you think this will help with font-lock, nor even how it would work in general, should it be possible. Re-entering redisplay in the middle of a redisplay cycle means that the outer redisplay didn't finish preparing the glyph matrices, and what do you want the inner redisplay to do in such a case?)