From unknown Fri Jun 20 07:22:40 2025 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) Content-Type: text/plain; charset=utf-8 From: bug#11099 <11099@debbugs.gnu.org> To: bug#11099 <11099@debbugs.gnu.org> Subject: Status: 23.2; Filter function causes flickering in minibuffer Reply-To: bug#11099 <11099@debbugs.gnu.org> Date: Fri, 20 Jun 2025 14:22:40 +0000 retitle 11099 23.2; Filter function causes flickering in minibuffer reassign 11099 emacs submitter 11099 Sean McLaughlin severity 11099 normal thanks From debbugs-submit-bounces@debbugs.gnu.org Mon Mar 26 17:15:26 2012 Received: (at submit) by debbugs.gnu.org; 26 Mar 2012 21:15:26 +0000 Received: from localhost ([127.0.0.1]:40106 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SCHG7-0002I5-DO for submit@debbugs.gnu.org; Mon, 26 Mar 2012 17:15:25 -0400 Received: from eggs.gnu.org ([208.118.235.92]:44769) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SCHFY-0002Gl-Ln for submit@debbugs.gnu.org; Mon, 26 Mar 2012 17:15:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SCGlK-0008QX-A6 for submit@debbugs.gnu.org; Mon, 26 Mar 2012 16:43:36 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=unavailable version=3.3.2 Received: from lists.gnu.org ([208.118.235.17]:33269) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SCGlK-0008QR-3V for submit@debbugs.gnu.org; Mon, 26 Mar 2012 16:43:34 -0400 Received: from eggs.gnu.org ([208.118.235.92]:33697) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SCGlH-0003yb-9m for bug-gnu-emacs@gnu.org; Mon, 26 Mar 2012 16:43:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SCGlD-0008Oy-KB for bug-gnu-emacs@gnu.org; Mon, 26 Mar 2012 16:43:30 -0400 Received: from mail-yw0-f41.google.com ([209.85.213.41]:36569) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SCGlD-0008NO-Bc for bug-gnu-emacs@gnu.org; Mon, 26 Mar 2012 16:43:27 -0400 Received: by yhr47 with SMTP id 47so4984359yhr.0 for ; Mon, 26 Mar 2012 13:43:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to:content-type; bh=lX43GJKCxfnLuUA/MAWMKa3U2E1Qlp2oyJ5gtW+KG8I=; b=IqDFMTd9mOvTwmi8iJk4T8CIPqUy9s+4NEC3sdph7tjp7xAkkH17e7MIR2rumYbi6Z VavLMDmnpeh+ADgiPRpbhyEUqNYEO91uBS+o5IbtDqO98quCfZmEc6NtYq6evhOFQiaz STVROi7VlWtgol9UfvwAOqFDWMqxlcCB/6VsVsRuwZpkjXRIAL1ETOTkavGs6wufIWwU Mtqvn2tC6dTzmk2txzdKLfXRmvLdpNiyqyemz4oCITDmwoOsPgTfYTi+NlaE60rVLkVr aJGrcF03lGHZ19aaDv2EN4esykpG8M2UcsCQ+bhr2KGPOs7LiqzV6McnoxKA3mbVrABV qNaw== Received: by 10.68.242.38 with SMTP id wn6mr46842975pbc.72.1332794604087; Mon, 26 Mar 2012 13:43:24 -0700 (PDT) MIME-Version: 1.0 Received: by 10.142.14.16 with HTTP; Mon, 26 Mar 2012 13:43:03 -0700 (PDT) From: Sean McLaughlin Date: Mon, 26 Mar 2012 13:43:03 -0700 Message-ID: Subject: 23.2; Filter function causes flickering in minibuffer To: bug-gnu-emacs@gnu.org Content-Type: text/plain; charset=ISO-8859-1 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 208.118.235.17 X-Spam-Score: -1.1 (-) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -6.1 (------) 1) Create a file count.sh #!/bin/bash ctr=0 while true; do sleep 1 echo "ctr = $ctr" ctr=$(( ctr + 1 )) done 2) Create a buffer called *count* 3) Start count asyncronously from a clean emacs (-q) (defun Tmp.filter-fun (proc s) (with-current-buffer "*count*" (insert s))) (defun Tmp.count () (interactive) (let ((process (start-process "count" "*count*" "/home/seanmcl/bin/count"))) (set-process-filter process 'Tmp.filter-fun))) 4) Type C-x This will cause C-x to show up in the minibuffer. Every time a line is filtered from count, the C-x flickers in the minibuffer, sometimes moving a character to the right and then back to the left. In GNU Emacs 23.2.1 (i486-pc-linux-gnu, GTK+ Version 2.20.0) of 2010-12-11 on raven, modified by Debian Windowing system distributor `The X.Org Foundation', version 11.0.10707000 configured using `configure '--build' 'i486-linux-gnu' '--build' 'i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var/lib' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--enable-locallisppath=/etc/emacs23:/etc/emacs:/usr/local/share/emacs/23.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.2/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/23.2/leim' '--with-x=yes' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars' 'build_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN -g -O2' 'LDFLAGS=-g' 'CPPFLAGS='' Important settings: value of $LC_ALL: nil value of $LC_COLLATE: nil value of $LC_CTYPE: nil value of $LC_MESSAGES: nil value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: nil value of $LANG: en_US.utf8 value of $XMODIFIERS: nil locale-coding-system: utf-8-unix default enable-multibyte-characters: t Major mode: Fundamental Minor modes in effect: tooltip-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t blink-cursor-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Recent input: x r e p o r t SPC e m SPC Recent messages: Loading /etc/emacs/site-start.d/50git-core.el (source)...done Loading /etc/emacs/site-start.d/50haskell-mode.el (source)... Loading /usr/local/share/emacs/23.2/site-lisp/haskell-mode/haskell-site-file.el (source)...done Loading /etc/emacs/site-start.d/50haskell-mode.el (source)...done Loading /etc/emacs/site-start.d/50psvn.el (source)...done Loading /etc/emacs/site-start.d/50python-docutils.el (source)...done Loading /etc/emacs/site-start.d/50sml-mode.el (source)... Loading /usr/local/share/emacs/23.2/site-lisp/sml-mode/sml-mode-startup.el (source)...done Loading /etc/emacs/site-start.d/50sml-mode.el (source)...done For information about GNU Emacs and the GNU system, type C-h C-a. 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/usr/share/emacs23/site-lisp/emacs-goodies-el/quack hides /usr/local/share/emacs/23.2/site-lisp/emacs-goodies-el/quack /usr/share/emacs23/site-lisp/emacs-goodies-el/keywiz hides /usr/local/share/emacs/23.2/site-lisp/emacs-goodies-el/keywiz /usr/share/emacs23/site-lisp/emacs-goodies-el/muttrc-mode hides /usr/local/share/emacs/23.2/site-lisp/emacs-goodies-el/muttrc-mode /usr/share/emacs23/site-lisp/emacs-goodies-el/marker-visit hides /usr/local/share/emacs/23.2/site-lisp/emacs-goodies-el/marker-visit /usr/share/emacs23/site-lisp/emacs-goodies-el/align-string hides /usr/local/share/emacs/23.2/site-lisp/emacs-goodies-el/align-string /usr/share/emacs23/site-lisp/emacs-goodies-el/miniedit hides /usr/local/share/emacs/23.2/site-lisp/emacs-goodies-el/miniedit /usr/share/emacs23/site-lisp/emacs-goodies-el/perldoc hides /usr/local/share/emacs/23.2/site-lisp/emacs-goodies-el/perldoc /usr/local/share/emacs/23.2/site-lisp/rst hides /usr/share/emacs/23.2/lisp/textmodes/rst /usr/local/share/emacs/23.2/site-lisp/dictionaries-common/ispell hides /usr/share/emacs/23.2/lisp/textmodes/ispell /usr/local/share/emacs/23.2/site-lisp/dictionaries-common/flyspell hides /usr/share/emacs/23.2/lisp/textmodes/flyspell Features: (shadow sort mail-extr message sendmail regexp-opt ecomplete rfc822 mml easymenu mml-sec password-cache mm-decode mm-bodies mm-encode mailcap mail-parse rfc2231 rfc2047 rfc2045 qp ietf-drums mailabbrev nnheader gnus-util netrc time-date mm-util mail-prsvr gmm-utils wid-edit mailheader canlock sha1 hex-util hashcash mail-utils emacsbug emacs-goodies-el emacs-goodies-custom emacs-goodies-loaddefs easy-mmode tooltip ediff-hook vc-hooks lisp-float-type mwheel x-win x-dnd font-setting tool-bar dnd fontset image fringe lisp-mode register page menu-bar rfn-eshadow timer select scroll-bar mldrag mouse jit-lock font-lock syntax facemenu font-core frame cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev loaddefs button minibuffer faces cus-face files text-properties overlay md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote make-network-process dbusbind system-font-setting font-render-setting gtk x-toolkit x multi-tty emacs) From debbugs-submit-bounces@debbugs.gnu.org Sat Aug 17 19:26:06 2019 Received: (at 11099) by debbugs.gnu.org; 17 Aug 2019 23:26:06 +0000 Received: from localhost ([127.0.0.1]:57101 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hz85G-000563-63 for submit@debbugs.gnu.org; Sat, 17 Aug 2019 19:26:06 -0400 Received: from quimby.gnus.org ([80.91.231.51]:57174) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hz85B-00055Z-S4 for 11099@debbugs.gnu.org; Sat, 17 Aug 2019 19:26:04 -0400 Received: from [50.225.213.182] (helo=sandy) by quimby.gnus.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hz857-00051M-Uo; Sun, 18 Aug 2019 01:26:00 +0200 From: Lars Ingebrigtsen To: Sean McLaughlin Subject: Re: bug#11099: 23.2; Filter function causes flickering in minibuffer References: Date: Sat, 17 Aug 2019 16:25:55 -0700 In-Reply-To: (Sean McLaughlin's message of "Mon, 26 Mar 2012 13:43:03 -0700") Message-ID: <87r25j8jcs.fsf@mouse.gnus.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Sean McLaughlin writes: > 1) Create a file count.sh > > #!/bin/bash > > ctr=0 > > while true; do > sleep 1 > echo "ctr = $ctr" > ctr=$(( ctr + 1 )) > done > > 2) Create a buffer called *count* > > 3) Start count asyncronousl [...] Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 11099 Cc: 11099@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) Sean McLaughlin writes: > 1) Create a file count.sh > > #!/bin/bash > > ctr=0 > > while true; do > sleep 1 > echo "ctr = $ctr" > ctr=$(( ctr + 1 )) > done > > 2) Create a buffer called *count* > > 3) Start count asyncronously from a clean emacs (-q) > > (defun Tmp.filter-fun (proc s) > (with-current-buffer "*count*" > (insert s))) > > (defun Tmp.count () > (interactive) > (let ((process > (start-process > "count" > "*count*" > "/home/seanmcl/bin/count"))) > (set-process-filter process 'Tmp.filter-fun))) > > 4) Type C-x > > This will cause C-x to show up in the minibuffer. Every time a > line is filtered from count, the C-x flickers in the minibuffer, > sometimes moving a character to the right and then back to the > left. (I'm going through old bug reports that unfortunately have gotten no responses yet.) It looks like this has been fixed in the intervening years -- now you won't get a "C-x" in the echo area because it's not displayed when filters are running, apparently. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no From debbugs-submit-bounces@debbugs.gnu.org Sat Aug 17 19:26:10 2019 Received: (at control) by debbugs.gnu.org; 17 Aug 2019 23:26:10 +0000 Received: from localhost ([127.0.0.1]:57104 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hz85K-00056O-Ff for submit@debbugs.gnu.org; Sat, 17 Aug 2019 19:26:10 -0400 Received: from quimby.gnus.org ([80.91.231.51]:57192) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hz85I-00056E-Ko for control@debbugs.gnu.org; Sat, 17 Aug 2019 19:26:08 -0400 Received: from [50.225.213.182] (helo=sandy) by quimby.gnus.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hz85F-00051X-Nl for control@debbugs.gnu.org; Sun, 18 Aug 2019 01:26:08 +0200 Date: Sat, 17 Aug 2019 16:26:03 -0700 Message-Id: <87pnl38jck.fsf@mouse.gnus.org> To: control@debbugs.gnu.org From: Lars Ingebrigtsen Subject: control message for bug #11099 X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: close 11099 quit Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) close 11099 quit From unknown Fri Jun 20 07:22:40 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Sun, 15 Sep 2019 11:24:08 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator