From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stephen Berman Newsgroups: gmane.emacs.bugs Subject: bug#13255: 24.2.50; output in nonvisible shell buffer changes prompt Date: Sun, 23 Dec 2012 13:54:22 +0100 Message-ID: <874njdapz5.fsf@rosalinde.fritz.box> References: <6y8v8pphme.fsf@fencepost.gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1356267292 10853 80.91.229.3 (23 Dec 2012 12:54:52 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 23 Dec 2012 12:54:52 +0000 (UTC) Cc: 13255@debbugs.gnu.org, rms@gnu.org To: Glenn Morris Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Dec 23 13:55:07 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Tml59-0007kr-CF for geb-bug-gnu-emacs@m.gmane.org; Sun, 23 Dec 2012 13:55:07 +0100 Original-Received: from localhost ([::1]:43588 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tml4v-000862-Df for geb-bug-gnu-emacs@m.gmane.org; Sun, 23 Dec 2012 07:54:53 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:46788) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tml4l-00085k-LG for bug-gnu-emacs@gnu.org; Sun, 23 Dec 2012 07:54:51 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Tml4f-0006PQ-Oy for bug-gnu-emacs@gnu.org; Sun, 23 Dec 2012 07:54:43 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:46017) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tml4f-0006PM-LP for bug-gnu-emacs@gnu.org; Sun, 23 Dec 2012 07:54:37 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1Tml53-0004kq-Lt for bug-gnu-emacs@gnu.org; Sun, 23 Dec 2012 07:55:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stephen Berman Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 23 Dec 2012 12:55:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 13255 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 13255-submit@debbugs.gnu.org id=B13255.135626729218260 (code B ref 13255); Sun, 23 Dec 2012 12:55:01 +0000 Original-Received: (at 13255) by debbugs.gnu.org; 23 Dec 2012 12:54:52 +0000 Original-Received: from localhost ([127.0.0.1]:56268 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Tml4t-0004kT-P3 for submit@debbugs.gnu.org; Sun, 23 Dec 2012 07:54:52 -0500 Original-Received: from mout.gmx.net ([212.227.15.18]:56738) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Tml4r-0004kL-Dy for 13255@debbugs.gnu.org; Sun, 23 Dec 2012 07:54:50 -0500 Original-Received: from mailout-de.gmx.net ([10.1.76.16]) by mrigmx.server.lan (mrigmx001) with ESMTP (Nemesis) id 0M9M3c-1Tw3er3uQQ-00CizF for <13255@debbugs.gnu.org>; Sun, 23 Dec 2012 13:54:24 +0100 Original-Received: (qmail invoked by alias); 23 Dec 2012 12:54:23 -0000 Original-Received: from i59F54449.versanet.de (EHLO rosalinde.fritz.box) [89.245.68.73] by mail.gmx.net (mp016) with SMTP; 23 Dec 2012 13:54:23 +0100 X-Authenticated: #20778731 X-Provags-ID: V01U2FsdGVkX1/MOGNXKrbMtKqgg+4HA9ldiL9DutbBbq/kcen2Xj ewLS9S0YcWSU6E In-Reply-To: <6y8v8pphme.fsf@fencepost.gnu.org> (Glenn Morris's message of "Sat, 22 Dec 2012 22:33:29 -0500") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-Y-GMX-Trusted: 0 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:68943 Archived-At: On Sat, 22 Dec 2012 22:33:29 -0500 Glenn Morris wrote: > Richard Stallman wrote: > >> I have a shell buffer with a program sending lots of output. >> That buffer is not currently displayed. I type C-h, and it prompts. >> So far, so good. >> >> The bug is that the prompt changes repeatedly. A space gets added at >> the beginning and the hyphen disappears at the end. Then the space >> disappears and the hyphen reappears. This oscillation continues >> indefinitely at the rate of 3 or 4 changes per second. > > I don't see this. What I see (24.2.91) is: > > emacs -Q -f shell > > ;; run this in shell buffer > while : ; do > sleep 0.5 > echo hi > done > > C-x b *scratch* RET > C-h > > So long as the shell is looping, I get no C-h prompt at all. > If I interrupt the loop, I get the intended: > > C-h (Type ? for further options)- When I repeat Glenn's recipe in GNU Emacs 24.3.50.2 (x86_64-suse-linux-gnu, GTK+ Version 3.4.4) of 2012-12-23 on rosalinde, revision 111308 jan.h.d@swipnet.se-20121223123537-gfe4g8dbhcckdj6e, I also get no prompt on typing `C-h'; but if I uncheck "Blink Cursor" in the Options menu and again type `C-h', then I see exactly what rms reported. Steve Berman