From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.bugs Subject: bug#29118: 25.2.50; Undoing shell flush output results in weird state Date: Thu, 09 Nov 2017 20:26:53 -0500 Message-ID: <878tfe53fm.fsf@users.sourceforge.net> References: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1510277292 8678 195.159.176.226 (10 Nov 2017 01:28:12 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 10 Nov 2017 01:28:12 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.90 (gnu/linux) Cc: 29118@debbugs.gnu.org To: Allen Li Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Nov 10 02:28:08 2017 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 1eCy75-00023z-R2 for geb-bug-gnu-emacs@m.gmane.org; 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Thu, 09 Nov 2017 17:26:56 -0800 (PST) Original-Received: from zebian ([45.2.119.34]) by smtp.googlemail.com with ESMTPSA id q191sm2024727itb.1.2017.11.09.17.26.54 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 09 Nov 2017 17:26:54 -0800 (PST) In-Reply-To: (Allen Li's message of "Thu, 2 Nov 2017 14:25:29 -0700") 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:139705 Archived-At: found 29118 26.0.90 tags 29118 + confirmed quit Allen Li writes: > Repro: > > 1. emacs -Q > 2. M-x shell RET > 3. echo hi RET > 4. C-c C-o > 5. C-/ > 6. echo bye RET > > The shell buffer ends up in a weird state that's hard to describe. The process mark ends up in the wrong place. That is, (process-mark (get-buffer-process (current-buffer))) gives a different answer after step 3 vs after step 5. Not really sure why, debugging undo-list stuff is kind of a pain.