From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#29831: 25.2; ansi-term - more graceful error handling? Date: Sat, 30 Dec 2017 13:06:43 +0200 Message-ID: <83y3lkeapo.fsf@gnu.org> References: <87o9moiqtx.fsf@aol.com> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1514631978 25668 195.159.176.226 (30 Dec 2017 11:06:18 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 30 Dec 2017 11:06:18 +0000 (UTC) Cc: 29831@debbugs.gnu.org To: Live System User Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Dec 30 12:06:13 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 1eVExx-0006Cz-4n for geb-bug-gnu-emacs@m.gmane.org; Sat, 30 Dec 2017 12:06:13 +0100 Original-Received: from localhost ([::1]:50414 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eVEzu-0002Ue-9I for geb-bug-gnu-emacs@m.gmane.org; Sat, 30 Dec 2017 06:08:14 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56887) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eVEzm-0002UO-Qz for bug-gnu-emacs@gnu.org; Sat, 30 Dec 2017 06:08:07 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eVEzh-0002nS-SM for bug-gnu-emacs@gnu.org; Sat, 30 Dec 2017 06:08:06 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:48552) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eVEzh-0002mq-PC for bug-gnu-emacs@gnu.org; Sat, 30 Dec 2017 06:08:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1eVEzh-0006Ac-Iu for bug-gnu-emacs@gnu.org; Sat, 30 Dec 2017 06:08:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 30 Dec 2017 11:08:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 29831 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 29831-submit@debbugs.gnu.org id=B29831.151463203023635 (code B ref 29831); Sat, 30 Dec 2017 11:08:01 +0000 Original-Received: (at 29831) by debbugs.gnu.org; 30 Dec 2017 11:07:10 +0000 Original-Received: from localhost ([127.0.0.1]:57233 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eVEyr-000699-T7 for submit@debbugs.gnu.org; Sat, 30 Dec 2017 06:07:10 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:37022) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eVEyp-00068q-Lw for 29831@debbugs.gnu.org; Sat, 30 Dec 2017 06:07:07 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eVEyf-0001Vo-J3 for 29831@debbugs.gnu.org; Sat, 30 Dec 2017 06:07:02 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:40161) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eVEyf-0001VX-Ey; Sat, 30 Dec 2017 06:06:57 -0500 Original-Received: from [176.228.60.248] (port=4713 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1eVEye-0007jD-Sn; Sat, 30 Dec 2017 06:06:57 -0500 In-reply-to: <87o9moiqtx.fsf@aol.com> (message from Live System User on Sun, 24 Dec 2017 01:26:50 -0500) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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:141613 Archived-At: > From: Live System User > Date: Sun, 24 Dec 2017 01:26:50 -0500 > > I'm wondering if ansi-term could handle the following > error more gracefully: > > Debugger entered--Lisp error: (error "Invalid face" unspecified) > internal-get-lisp-face-attribute(unspecified :foreground nil) > face-attribute(unspecified :foreground nil default) > face-foreground(unspecified nil default) > term-handle-colors-array(1) > term-handle-ansi-escape(# 109) > term-emulate-terminal(# > "[1;33mliveuser@localhost[0m:[1;32m~ [0m$ ") This sounds like a bug, but can you help me understand how did that 'unspecified' come into existence? It looks like it comes from this code: (face-foreground (elt ansi-term-color-vector term-ansi-current-color) nil 'default) but ansi-term-color-vector doesn't include any 'unspecified', and in fact there's no "unspecified" anywhere in term.el. What am I missing? Does it help to customize term-default-fg-color to some non-nil value?