From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.bugs Subject: bug#33798: 27.0.50; font-lock-ensure fontifies the whole buffer Date: Wed, 19 Dec 2018 02:15:14 +0200 Organization: LINKOV.NET Message-ID: <87y38mwewd.fsf@mail.linkov.net> References: <87woo632j3.fsf@mail.linkov.net> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1545178630 8651 195.159.176.226 (19 Dec 2018 00:17:10 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 19 Dec 2018 00:17:10 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (x86_64-pc-linux-gnu) Cc: 33798@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Dec 19 01:17:06 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gZPXq-00025H-NU for geb-bug-gnu-emacs@m.gmane.org; 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c=relaxed; d=linkov.net; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; s=linkov.net; bh=S/hf7JLO9rZtKWq8h463zXAr4Nk=; b= VmC+LB1xDC0G6LFmgA2rtQ0NLrRVZcTAlidSQBjzzWcy1HUTIRPPwO4xXHxkYcdL U4yixmf6Q1FASeDfOJEkNk9VQbjZ1rqiamLpIV7bwgKaiHJlixo29ImBgDn1/wiv yGvPztgdzdq4RPn7btmj4k9QLTEokTtSRNQHegNkMpk= Original-Received: from mail.jurta.org (m91-129-96-177.cust.tele2.ee [91.129.96.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: jurta@jurta.org) by pdx1-sub0-mail-a38.g.dreamhost.com (Postfix) with ESMTPSA id 37A9681DF6; Tue, 18 Dec 2018 16:18:11 -0800 (PST) X-DH-BACKEND: pdx1-sub0-mail-a38 In-Reply-To: (Stefan Monnier's message of "Tue, 18 Dec 2018 18:54:33 -0500") X-VR-OUT-STATUS: OK X-VR-OUT-SCORE: -100 X-VR-OUT-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedtkedrudeikedgudefgecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucggtfgfnhhsuhgsshgtrhhisggvpdfftffgtefojffquffvnecuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhvffuohhfffgjkfgfgggtsehttdertddtredtnecuhfhrohhmpefluhhrihcunfhinhhkohhvuceojhhurhhisehlihhnkhhovhdrnhgvtheqnecukfhppeeluddruddvledrleeirddujeejnecurfgrrhgrmhepmhhouggvpehsmhhtphdphhgvlhhopehmrghilhdrjhhurhhtrgdrohhrghdpihhnvghtpeeluddruddvledrleeirddujeejpdhrvghtuhhrnhdqphgrthhhpefluhhrihcunfhinhhkohhvuceojhhurhhisehlihhnkhhovhdrnhgvtheqpdhmrghilhhfrhhomhepjhhurhhisehlihhnkhhovhdrnhgvthdpnhhrtghpthhtohepmhhonhhnihgvrheskfftqfdrfgfoohhnthhrvggrlhdrveetnecuvehluhhsthgvrhfuihiivgepud X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:153585 Archived-At: >> (with-temp-buffer >> (insert "#include \n\nmain()\n{\n printf(\"Hello, world\");\n}") >> (c-mode) >> (font-lock-ensure 21 (point-max)) >> (get-text-property (point-min) 'face)) > > Is this testcase representative of what diff-mode does? I can see the same effect in internal buffers created by diff-mode: switching to these buffers I see that font-lock-ensure fontifies the whole buffer, whereas using font-lock-fontify-region I see only small parts of the source buffer fontified corresponding to diff hunks.