From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#47657: python-shell font-lock with multi-line input: runaway fontification buffer length Date: Tue, 13 Apr 2021 10:05:40 +0200 Message-ID: <87fszusj6z.fsf@gnus.org> References: <603226C1-620D-4C53-B8E9-A2ECA3A3DB3C@gmail.com> <87y2dnyhix.fsf@gnus.org> <0BCE3A3A-7A11-465A-8057-0546097D99FA@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15891"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 47657@debbugs.gnu.org To: JD Smith Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Apr 13 10:06:09 2021 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 1lWE3l-00041J-DF for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 13 Apr 2021 10:06:09 +0200 Original-Received: from localhost ([::1]:57220 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lWE3k-0002pD-Bz for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 13 Apr 2021 04:06:08 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:43278) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lWE3e-0002p6-Hq for bug-gnu-emacs@gnu.org; Tue, 13 Apr 2021 04:06:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:47355) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lWE3e-0005Im-Ab for bug-gnu-emacs@gnu.org; Tue, 13 Apr 2021 04:06:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lWE3e-00024M-5d for bug-gnu-emacs@gnu.org; Tue, 13 Apr 2021 04:06:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 13 Apr 2021 08:06:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 47657 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 47657-submit@debbugs.gnu.org id=B47657.16183011517936 (code B ref 47657); Tue, 13 Apr 2021 08:06:02 +0000 Original-Received: (at 47657) by debbugs.gnu.org; 13 Apr 2021 08:05:51 +0000 Original-Received: from localhost ([127.0.0.1]:58901 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lWE3T-00023w-B1 for submit@debbugs.gnu.org; Tue, 13 Apr 2021 04:05:51 -0400 Original-Received: from quimby.gnus.org ([95.216.78.240]:59446) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lWE3Q-00023g-R3 for 47657@debbugs.gnu.org; Tue, 13 Apr 2021 04:05:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID :In-Reply-To:Date:References:Subject:Cc:To:From:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=7gKuHNSsxkeSrNIbLA8rIuecfZpu1Ig9rhc8NXEo8Ek=; b=M0hWIR9EWCn79hSqGQwjgfQbUU Rxm0inREA3hgjm6CxDQSaQoUMJPawmKD/DHspTLdM7tCcEWZKFdi56QZ/0owwpOcESnTNxPMGEBI6 u7Ql++/GKiVKukI6ELrknQULmGDfDR7kWF7RacDz5dnY83zEGBx0+0Riy49AbKax9VwY=; Original-Received: from cm-84.212.220.105.getinternet.no ([84.212.220.105] helo=xo) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lWE3I-0000xt-KO; Tue, 13 Apr 2021 10:05:43 +0200 X-Now-Playing: Fire!'s _Defeat_: "A random belt, rats your out" In-Reply-To: <0BCE3A3A-7A11-465A-8057-0546097D99FA@gmail.com> (JD Smith's message of "Mon, 12 Apr 2021 09:18:13 -0400") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:203954 Archived-At: JD Smith writes: > Do you have a step-by-step recipe, starting from "emacs -Q", to > reproduce this problem? > > 1 emacs -Q > 2 M-x run-python > 3 C-x 5 b =E2=80=9C *Python-font-lock*=E2=80=9D > 4 In inferior python shell: type any line. > 5 C-c SPC (`comint-accumulate=E2=80=99) to continue. > 6 Type another line. Notice the first line is repeated.=20 > 7 Repeat steps 5 & 6 several times.=20 You didn't say what Emacs version you're using -- I tested this in Emacs 28, and was unable to reproduce this. The " *Python-font-lock*" buffer never contains more than a single non-blank line using this recipe. (The "any line" I used to test was "5".) --=20 (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no