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#30544: 26.0.91; ansi-term duplicates 2 line zsh prompts any time windows change (maybe other times) Date: Sun, 01 Apr 2018 22:39:26 -0400 Message-ID: <878ta6pc0x.fsf@gmail.com> References: <83vadyr278.fsf@gnu.org> <83o9jqqzlj.fsf@gnu.org> <87in9yw73t.fsf@gmail.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1522636694 4861 195.159.176.226 (2 Apr 2018 02:38:14 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 2 Apr 2018 02:38:14 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.90 (gnu/linux) Cc: 30544@debbugs.gnu.org To: Aaron Jensen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Apr 02 04:38:10 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 1f2pMG-0001As-ER for geb-bug-gnu-emacs@m.gmane.org; Mon, 02 Apr 2018 04:38:08 +0200 Original-Received: from localhost ([::1]:53953 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f2pOK-0006ms-2o for geb-bug-gnu-emacs@m.gmane.org; Sun, 01 Apr 2018 22:40:16 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:36110) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f2pO9-0006l3-T5 for bug-gnu-emacs@gnu.org; Sun, 01 Apr 2018 22:40:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f2pO6-0003Tl-NG for bug-gnu-emacs@gnu.org; Sun, 01 Apr 2018 22:40:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:54904) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1f2pO6-0003Td-Ib for bug-gnu-emacs@gnu.org; Sun, 01 Apr 2018 22:40:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1f2pO6-0005xP-3n for bug-gnu-emacs@gnu.org; Sun, 01 Apr 2018 22:40:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Noam Postavsky Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 02 Apr 2018 02:40:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 30544 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: confirmed Original-Received: via spool by 30544-submit@debbugs.gnu.org id=B30544.152263677522863 (code B ref 30544); Mon, 02 Apr 2018 02:40:02 +0000 Original-Received: (at 30544) by debbugs.gnu.org; 2 Apr 2018 02:39:35 +0000 Original-Received: from localhost ([127.0.0.1]:34568 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1f2pNf-0005wh-0R for submit@debbugs.gnu.org; Sun, 01 Apr 2018 22:39:35 -0400 Original-Received: from mail-it0-f42.google.com ([209.85.214.42]:39576) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1f2pNd-0005wV-VC for 30544@debbugs.gnu.org; Sun, 01 Apr 2018 22:39:34 -0400 Original-Received: by mail-it0-f42.google.com with SMTP id e98-v6so16833025itd.4 for <30544@debbugs.gnu.org>; Sun, 01 Apr 2018 19:39:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=b41GiIXPI8OHL2PT3BzwyL2O2a1xLOCApbAkFreJcXs=; b=GxLvNaMHBrpLMzevnIWYJ/WLTjhBthnglilR8Noj0bEcFqaAmyT+ozha4YYftZ75WD aFyYwPqWWSjNdOzflDDBbtfEBnWuVxzbRbYJVir7mC/iBIkb1w+xcV1n/yKFxSl/Adyq gnVZVm2jk+gdbXqiWkikULF/mdKI8B30uUNwGHkERy1X7DmXCrP104mFswBE6t4rvNph e7O86YRWhP2hyLXwlWySXg4K8UkhQoahcgaMnskGUDnseged4uynCHZQaS2kv1TsF4OP tCjO5n0+svMOKQohoHdiMTfjyMGBPYPvab+x2X3FCltQgkiuBxwCCc6cHen8ZUz7gVPL k+pA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=b41GiIXPI8OHL2PT3BzwyL2O2a1xLOCApbAkFreJcXs=; b=h8iInSU+j9I9/EBZYFz2I+6Gvt4DTtN/moeHj8dFP9HC1gqfSnZgDhWQ3/dX8LQmdK tJq6/JKG1OZDONWLXSDCc3UWP2OJyVqgzC9uC300kpGgrS1JHhhWDYauZyDIlP53uFE4 lz5mxMacIvhv8k0cboyBcyraobc290lwNieS1ZZgoWmsQPajKkM7K9uQVnpdDIcxZTtY ybFXFQHxHl4Yov41PKbKWGrKALqtAsuVz83IUe3A602Ib7UC5eVc6XHNT+5TCb1531TX +gSXSkL9BdpF20G5e0XBIwggIdKWnConoZ2yvvAoa/g7/GughgF32Te/lOoKoATaWKtv q/7Q== X-Gm-Message-State: ALQs6tBJ9zu/CGkuDOZGD8aCP3q3Qj7whT+c49TqR3w5G1gB88DaKbeE tZDnTfBtslYSTyZ+yKSD6Nk= X-Google-Smtp-Source: AIpwx49KaFjiMjTc3O7DbqmMbYenkqvAaj4L8Q0BoTWDbm90oF/JPmPJZoe05mHZa8BadbArQBIAfA== X-Received: by 2002:a24:18cb:: with SMTP id 194-v6mr6929113itr.64.1522636768225; Sun, 01 Apr 2018 19:39:28 -0700 (PDT) Original-Received: from zebian (cbl-45-2-119-34.yyz.frontiernetworks.ca. [45.2.119.34]) by smtp.googlemail.com with ESMTPSA id k17sm7341417iob.45.2018.04.01.19.39.27 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 01 Apr 2018 19:39:27 -0700 (PDT) In-Reply-To: <87in9yw73t.fsf@gmail.com> (Noam Postavsky's message of "Wed, 14 Mar 2018 19:49:26 -0400") 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:144783 Archived-At: Noam Postavsky writes: > Odd. I have urxvt here, and it seems to be able to resize both width > and height without getting any duplicated prompts. Could it be that zsh > always repaints the prompt on a resize, but term.el (and iTerm for width > adjustments) don't put point where zsh is expecting after a resize? Okay, I edebugged term-emulate-terminal, zsh is sending the correct escape sequences, the problem is that `term-current-row' is set to 0, which causes \e[A to be a nop instead of moving the cursor up one row as it should. M-x debug-watch RET term-current-row RET reveals that the term-set-scroll-region call sets term-current-row to 0. This is correct, because it does also move point to row 0. However, after the call is finished, term-reset-size does (goto-char point) to restore the original point, but it doesn't reset the cached row accordingly. So the following fixes it (possibly we should be resetting the current column as well?). --- i/lisp/term.el +++ w/lisp/term.el @@ -1167,4 +1167,5 @@ term-reset-size (setq term-current-column nil) (term-set-scroll-region 0 height) + (setq term-current-row nil) (goto-char point))))