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: Allowing point to be outside the window? Date: Sat, 04 Dec 2021 18:33:28 +0200 Message-ID: <83k0gk5nzb.fsf@gnu.org> References: <87ilwd7zaq.fsf.ref@yahoo.com> <87ilwd7zaq.fsf@yahoo.com> <83bl24yaed.fsf@gnu.org> <87sfvg7l51.fsf@yahoo.com> <83zgpowu23.fsf@gnu.org> <87zgpo5tws.fsf@yahoo.com> <83pmqkwi6r.fsf@gnu.org> <87v90c5su6.fsf@yahoo.com> <83o864wg2a.fsf@gnu.org> <87ilwb68ck.fsf@yahoo.com> <83zgpnunfo.fsf@gnu.org> <87fsrf3xmd.fsf@yahoo.com> <83y257ulfp.fsf@gnu.org> <8735ne4e0e.fsf@yahoo.com> <87czmcvcs1.fsf@yahoo.com> <87k0gkjzj3.fsf@dick> <87r1astsle.fsf@yahoo.com> <87fsr8jvy2.fsf@dick> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10932"; mail-complaints-to="usenet@ciao.gmane.io" Cc: luangruo@yahoo.com, emacs-devel@gnu.org To: dick Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Dec 04 17:34:30 2021 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 1mtXza-0002iS-G3 for ged-emacs-devel@m.gmane-mx.org; Sat, 04 Dec 2021 17:34:30 +0100 Original-Received: from localhost ([::1]:42696 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mtXzY-00056Y-KO for ged-emacs-devel@m.gmane-mx.org; Sat, 04 Dec 2021 11:34:28 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:37136) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mtXyj-0004QE-K8 for emacs-devel@gnu.org; Sat, 04 Dec 2021 11:33:37 -0500 Original-Received: from [2001:470:142:3::e] (port=38576 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mtXyj-0003AA-8E; Sat, 04 Dec 2021 11:33:37 -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=8NlXXCOq/40buGvMGoCc8mvIZOCPC7iKLpUiuJLAKUU=; b=jQSk3hDhGIP+ Ww8Ni517G8sIC+supNzlz7aOBzsMVEt2LenA6nrfRZBfly87jN0o4BDsMZdw1FTxV55jYVFZnM8et gvmmrx9Ey/6G50awR7dzHh5tx8/3uQ3l4Rt6bgYkuMkpqvsELncj6wp94dNnrgqSIxBAVX0p5ReP9 RizVfq6td/6ro6Ay8EyyauXgb4FPVI6SBiZPPLxwww+zgGFFwmU19yOompNfs1EKVfGnLHPwsVAnl pcKPInFAv2sLVHFOf6c/PyIeRc9TW4g8w917pLYHN7Js7fpQXPBFJ9YEI3bON1bLMhssl+YBJxoaf uqK2ro18xNv58t3bC8KpdQ==; Original-Received: from [87.69.77.57] (port=4170 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 1mtXyi-0003U5-2t; Sat, 04 Dec 2021 11:33:37 -0500 In-Reply-To: <87fsr8jvy2.fsf@dick> (message from dick on Sat, 04 Dec 2021 09:17:41 -0500) 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" Xref: news.gmane.io gmane.emacs.devel:280926 Archived-At: > From: dick > Date: Sat, 04 Dec 2021 09:17:41 -0500 > Cc: emacs-devel@gnu.org > > When you bypass large state-heavy stanzas via "if allow-point-outside" > in central functions like try_cursor_movement() and redisplay_window(), > people (not you or EZ apparently) get scared. Only people who have no clear idea about the overall structure of redisplay_window can become nervous when they see such bypasses, as a matter of principle, without considering what exactly is bypassed and why. A place to begin is by figuring out what does that "try" in "try_cursor_movement" means.