From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#63988: 30.0.50; Recent header line format changes cause spin/seg fault with format-mode-line Date: Thu, 15 Jun 2023 08:59:09 +0300 Message-ID: <83y1kltgeq.fsf@gnu.org> References: <831qij24qm.fsf@gnu.org> <83wn0bzoeb.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="3760"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 63988@debbugs.gnu.org, aaronjensen@gmail.com, monnier@iro.umontreal.ca To: Eshel Yaron Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jun 15 07:59:14 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1q9g0o-0000mN-BU for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 15 Jun 2023 07:59:14 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q9g0e-0006Fo-IR; Thu, 15 Jun 2023 01:59:04 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q9g0c-0006FR-UU for bug-gnu-emacs@gnu.org; Thu, 15 Jun 2023 01:59:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1q9g0c-00059v-Ld for bug-gnu-emacs@gnu.org; Thu, 15 Jun 2023 01:59:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1q9g0c-0006qz-Hm for bug-gnu-emacs@gnu.org; Thu, 15 Jun 2023 01:59:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 15 Jun 2023 05:59:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 63988 X-GNU-PR-Package: emacs Original-Received: via spool by 63988-submit@debbugs.gnu.org id=B63988.168680873626333 (code B ref 63988); Thu, 15 Jun 2023 05:59:02 +0000 Original-Received: (at 63988) by debbugs.gnu.org; 15 Jun 2023 05:58:56 +0000 Original-Received: from localhost ([127.0.0.1]:45987 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1q9g0V-0006qf-MW for submit@debbugs.gnu.org; Thu, 15 Jun 2023 01:58:56 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:36686) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1q9g0T-0006qS-Q5 for 63988@debbugs.gnu.org; Thu, 15 Jun 2023 01:58:54 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q9g0N-00056w-SC; Thu, 15 Jun 2023 01:58:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=x4V5k4AdK/tduUcm/L03XeWGpGBC79WfjqN8/0vb+HY=; b=VUGIrxqQQS9n 1nD+FuSFCs18Bz7rBL00ZhecALX0qOOe3K94hhKJLRCYjU/GcwIO2b1a7SCqEYSszNqrQjNGkPwGu nirs/9DP7m2RFZvuhfMv9ggsHqQmQptj12VUEU+B3gYGxvqRe2adOIYhL8Z19Dr4CPz1+Rqw3jDKM MH0GiXYRBKJfiP0uaecXUtv3Xne3EjPY6p2vVK9sgGCyxQG1qPrOsdoZNm8rvaBvAgi139YplgbXK +6kIgET72uQXB7IFEdE5+aMonf9e2h8xInY0kyBAJCSVg8MqLH06Liz1fh7nqIzX/nCa5t4XXgMab LjyZaB7PZkEI7X6D0iJBTQ==; Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q9g0N-00051k-4O; Thu, 15 Jun 2023 01:58:47 -0400 In-Reply-To: (message from Eshel Yaron on Sat, 10 Jun 2023 12:07:22 +0300) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:263399 Archived-At: > From: Eshel Yaron > Cc: aaronjensen@gmail.com, 63988@debbugs.gnu.org, Stefan Monnier > > Date: Sat, 10 Jun 2023 12:07:22 +0300 > > > So maybe we should declare this feature a failed experiment and remove > > it? > > FWIW I think that make sense, but IMO it'd be best to only remove the > treatment of `:eval` in `window_wants_header_line`, and keep the new > treatment of `header-line-format` being a cons cell with a void or > nil-valued variable car. That's still useful because it works well with > minor mode variables, and it's less risky as it doesn't involve > evaluating arbitrary lisp, just inspecting a variable. Why would it make sense to leave the non-nil car case? It sounds like the consensus here is that indeed this feature is not worth the complications, and so, unless I hear some good reasons not to do so, I intend to delete it in a week's time.