From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: "Basil L. Contovounesios" Newsgroups: gmane.emacs.bugs Subject: bug#34952: files with/out final newline look the same no matter what Date: Fri, 07 Aug 2020 22:54:56 +0100 Message-ID: <87imduf7f3.fsf@tcd.ie> References: <87zhpm18ll.fsf@jidanni.org> <87zhpl13n5.fsf@tcd.ie> <87v9hv8uqr.fsf@gnus.org> <87mu367w33.fsf@gnus.org> <834kpe90ka.fsf@gnu.org> <87imdu8zxm.fsf@gnus.org> <87wo2a7jfs.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="33525"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 34952@debbugs.gnu.org, jidanni@jidanni.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Aug 07 23:56:25 2020 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 1k4ALh-0008cr-4G for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 07 Aug 2020 23:56:25 +0200 Original-Received: from localhost ([::1]:35860 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k4ALf-0003DL-Tc for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 07 Aug 2020 17:56:23 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:45344) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k4ALK-0003Cy-J2 for bug-gnu-emacs@gnu.org; Fri, 07 Aug 2020 17:56:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:46151) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k4ALK-000505-9V for bug-gnu-emacs@gnu.org; Fri, 07 Aug 2020 17:56:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1k4ALK-0000a1-62 for bug-gnu-emacs@gnu.org; Fri, 07 Aug 2020 17:56:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: "Basil L. 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I'll fix that. > > Actually, I don't know how. How do you ask, when you're in the > font-lock machinery, what the original point was? Like here: > > ,@(when (memq 'missing-newline-at-eof whitespace-active-style) > ;; Show missing newline. > `(("[^\n]\\'" 0 (if .... something) t))))) Isn't it possible to just copy what whitespace-trailing-regexp is doing? I.e. use a function instead of a regexp? (I don't think the regexp construct \= would help much here.) > By the way, have I whined about how difficult debugging font-lock stuff > is? I can't put a `debug' in there, for instance, to examine the > calling sequence, which would probably tell me what I need to know. Would font-lock-studio help? (I haven't tried it.) https://github.com/Lindydancer/font-lock-studio Thanks, -- Basil