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: How to add pseudo vector types Date: Sat, 24 Jul 2021 09:02:34 +0300 Message-ID: <83bl6s1c79.fsf@gnu.org> References: <83h7gw6pyj.fsf@gnu.org> <83y2a764oy.fsf@gnu.org> <83v95b60fn.fsf@gnu.org> <00DD5BFE-D14E-449A-9319-E7B725DEBFB3@gmail.com> <83r1fz5xr9.fsf@gnu.org> <1AAB1BCC-362B-4249-B785-4E0530E15C60@gmail.com> <83czri67h0.fsf@gnu.org> <46BBFF88-76C3-4818-8805-5437409BEA93@gmail.com> <83wnpq46uk.fsf@gnu.org> <533BD53B-4E85-4E9E-B46A-346A5BBAD0F5@gmail.com> <258CB68D-1CC1-42C8-BDCD-2A8A8099B783@gmail.com> <1a776770-50b7-93cd-6591-c9a5b3a56eb8@gmail.com> <8335s64v10.fsf@gnu.org> <5380C92B-6C15-4490-A1E0-1C3132DBB16A@gmail.com> <83k0li2shw.fsf@gnu.org> <83k0lg268t.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="23491"; mail-complaints-to="usenet@ciao.gmane.io" Cc: casouri@gmail.com, cpitclaudel@gmail.com, emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Jul 24 08:03:23 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 1m7Aks-0005wS-Ri for ged-emacs-devel@m.gmane-mx.org; Sat, 24 Jul 2021 08:03:22 +0200 Original-Received: from localhost ([::1]:39490 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m7Akr-0000Hl-Tg for ged-emacs-devel@m.gmane-mx.org; Sat, 24 Jul 2021 02:03:21 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:46382) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m7AkK-00083t-IE for emacs-devel@gnu.org; Sat, 24 Jul 2021 02:02:48 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:60056) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m7AkK-0001gv-AS; Sat, 24 Jul 2021 02:02:48 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:1466 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 1m7AkJ-0008IK-UE; Sat, 24 Jul 2021 02:02:48 -0400 In-Reply-To: (message from Stefan Monnier on Fri, 23 Jul 2021 16:28:16 -0400) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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:271525 Archived-At: > From: Stefan Monnier > Cc: casouri@gmail.com, cpitclaudel@gmail.com, emacs-devel@gnu.org > Date: Fri, 23 Jul 2021 16:28:16 -0400 > > >> > But that's how the current font-lock and indentation work: they never > >> > look beyond the narrowing limits. > >> Not quite: that's true for indentation, but for font-lock we have > >> `font-lock-dont-widen` (i.e. by default, font-lock widens temporarily > >> while it does its job). > > jit-lock never requests fontifications outside of the accessible > > portion, because redisplay doesn't look there. > > But font-lock may look (and fontify) beyond the narrowing, and > when it calls `syntax-ppss` it will usually parse from 1 rather than > from `point-min`. Yes, and that's why I said that callers should call 'widen' if they need to do so. The question is what should TS reading do _by_default_.