From unknown Sun Jun 15 08:51:31 2025 X-Loop: help-debbugs@gnu.org Subject: bug#29461: Wishlist: better facilities for debugging undo problems Resent-From: Noam Postavsky Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 26 Nov 2017 20:01:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 29461 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: 29461@debbugs.gnu.org X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Received: via spool by submit@debbugs.gnu.org id=B.151172641416302 (code B ref -1); Sun, 26 Nov 2017 20:01:02 +0000 Received: (at submit) by debbugs.gnu.org; 26 Nov 2017 20:00:14 +0000 Received: from localhost ([127.0.0.1]:59659 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eJ366-0004Er-FB for submit@debbugs.gnu.org; Sun, 26 Nov 2017 15:00:14 -0500 Received: from eggs.gnu.org ([208.118.235.92]:41830) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eJ364-0004Ef-Q5 for submit@debbugs.gnu.org; Sun, 26 Nov 2017 15:00:13 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eJ35y-0002Kc-F2 for submit@debbugs.gnu.org; Sun, 26 Nov 2017 15:00:07 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=BAYES_20,FREEMAIL_FROM, T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:40999) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eJ35y-0002KX-Cc for submit@debbugs.gnu.org; Sun, 26 Nov 2017 15:00:06 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:32790) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eJ35x-00037k-CK for bug-gnu-emacs@gnu.org; Sun, 26 Nov 2017 15:00:06 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eJ35u-0002Hs-Bf for bug-gnu-emacs@gnu.org; Sun, 26 Nov 2017 15:00:05 -0500 Received: from mail-it0-x235.google.com ([2607:f8b0:4001:c0b::235]:43234) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eJ35u-0002HM-7e for bug-gnu-emacs@gnu.org; Sun, 26 Nov 2017 15:00:02 -0500 Received: by mail-it0-x235.google.com with SMTP id m191so18513079itg.2 for ; Sun, 26 Nov 2017 12:00:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=Md4n5sln4mGpdS8rMECbxygEe7CW3sEQHD62/7Ya4m4=; b=LC6Gs5zY8DrV52IXUgxq89YZSVFmqeerfthfIjaAzlYMHFnC9ygZwRbFzrZCD9JvrR z4NepnVRcbBtH6PeVE6kqWYznEe0w/k1LbG73VypK/kvOVCKQ161+6DQ/MrXunUuN7S9 ezloMewrYdISLkWEcckMOm2jxWrIc/deXESxIPDd7f7U8RzCOAKclCmUcS6uzAsc5l7R u3jwMdihyYV/HZGRYLi9VQVrUfvLJIGyMf50xNztlwdMuMX6l1Yu+VgfjtC6me/r5x71 ECd43jDVlP1tqzbU+705j/Iu3mnwQO650v1/PObs2NvF8CiNw3ydo3bk4CPLta4MPaAq VRYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:subject:references:date :in-reply-to:message-id:user-agent:mime-version; bh=Md4n5sln4mGpdS8rMECbxygEe7CW3sEQHD62/7Ya4m4=; b=cJAr4PtwomVP31rJ3b//rEVLaZnfn8EDCdFlP+bg0f0v+fD/AUIvo4uIoHpdyiLr13 lFk50AAqQqsvFith1mvdBdcIRWcYbUtrD9sfsgbJ/XS+uFfslC+xHAH6lqHYo6fC1002 EajKENDdhGpMgsKsw2gvcoCkYNq9zcjdh1tZDb4fl3HdmfL4WBKFihRt6mtE8TUNTrIo GZvCdocysvqrX+/WFd/sIsJ9Vbyctq5WgjqXKJ5Jd3X4c2Uyq+5kO8FohNKes9UFHk2U Nvspuo2/qfnXGST91TX+SBtJ1r8aeelzIMMeB7Q4n4SeD85dkAiHPri6idg0AQnao5wG 2xTA== X-Gm-Message-State: AJaThX5gYakFzgvPzz3+eqM4jkSF7KZ+VFgLZ7lYPJ1wmGPP+AmkKQGG /eZMk8GrMNAoyYK4/1hEegVHcg== X-Google-Smtp-Source: AGs4zMZfdasVqofAMvN09vQdbLUN9KadrsourMaPwYi/jy5U1vITEW+T+327/Lu94Y66RN6mOiPfXw== X-Received: by 10.36.173.72 with SMTP id a8mr23439286itj.89.1511726400991; Sun, 26 Nov 2017 12:00:00 -0800 (PST) Received: from zebian ([45.2.119.34]) by smtp.googlemail.com with ESMTPSA id u66sm7252262iod.8.2017.11.26.11.59.59 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 26 Nov 2017 11:59:59 -0800 (PST) From: Noam Postavsky References: <878tfe53fm.fsf@users.sourceforge.net> <83y3nepn9l.fsf@gnu.org> <87bmk82qk1.fsf@users.sourceforge.net> Date: Sun, 26 Nov 2017 14:59:58 -0500 In-Reply-To: <87bmk82qk1.fsf@users.sourceforge.net> (Noam Postavsky's message of "Sat, 11 Nov 2017 21:12:30 -0500") Message-ID: <87k1ycyfnl.fsf_-_@users.sourceforge.net> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.90 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain 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.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -3.9 (---) 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: -3.9 (---) Severity: wishlist See also https://debbugs.gnu.org/cgi/bugreport.cgi?bug=29118#21 To make debugging trouble with undo easier, it would nice to have a way to "replay" and "rewind" operations to easily see what they do. And a way to visualize the meaning of undo list elements without actually "playing" them, as it's hard to see what a pair of buffer positions refers to at a glance. I've written some crude visualization code for markers under elpa/packages/yasnippet/yasnippet-debug.el.