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.devel Subject: Re: Edebug corrupting point in buffers. Date: Wed, 02 Nov 2022 16:00:52 +0200 Message-ID: <83mt99a223.fsf@gnu.org> References: <83wn8fcgvd.fsf@gnu.org> <83iljydh7e.fsf@gnu.org> <838rkud9d5.fsf@gnu.org> <83v8nybnuk.fsf@gnu.org> <83pme6bls8.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="11190"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Nov 02 15:17:18 2022 Return-path: Envelope-to: ged-emacs-devel@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 1oqEYP-0002ej-VE for ged-emacs-devel@m.gmane-mx.org; Wed, 02 Nov 2022 15:17:18 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oqEIm-0003So-J9; Wed, 02 Nov 2022 10:01:11 -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 1oqEIl-0003Rl-Jy for emacs-devel@gnu.org; Wed, 02 Nov 2022 10:01:07 -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 1oqEIk-000817-Lv; Wed, 02 Nov 2022 10:01:06 -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=DOIyknl4PhmmIE4NJ6MFXLY06X8tds7urGR0IeFfSqA=; b=JNuH+aMXqBxX 9dPKXnv0iZvPs6S0TGn9Yo8reFPxUas9MCwPxvBiYdMoGtEHanCpmRCFN9gRL/oMMoC0pZV+N7qQ4 M8i1kHJ7GHS4Qnn16jskkEb21tcEq312Lih+0r6+xYIR82qK6qYdETTDgDlplvVNNs+vWxwPjW4z3 n/CZFjogw9hN1DSmptw+I174mpGNpjHyAe/jRe43NPuJbsyM9ByZXSS3QzjXjKwh7PzOs3evuMu0Q j237zlGYaPJ15e8lXDpOhoEFUAZqEmneH3oeXxhGtCGoN3VXWCnKwWfkqga2Xd9y4S5iJrWlihgxO PH2xt7QaQQJ71cB8yjeESg==; 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 1oqEIi-0003Yb-Bk; Wed, 02 Nov 2022 10:01:05 -0400 In-Reply-To: (message from Alan Mackenzie on Wed, 2 Nov 2022 11:34:37 +0000) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: "Emacs-devel" Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:299018 Archived-At: > Date: Wed, 2 Nov 2022 11:34:37 +0000 > Cc: emacs-devel@gnu.org > From: Alan Mackenzie > > (i) Emacs -Q. > (ii) On a single frame, arrange buffers *scratch*, test-edebug.el, and > some other substantial buffer, that I call emacs.README. > (iii) Put point in emacs.README somewhere other than point-max. > (iv) Instrument test-edebug for edebug with C-u C-M-x. > (iv)a Put point into window *scratch*. > (v) M-: (test-edebug). > (vi) Step through test-edebug using the space key. > (vii) Note that the second text insertion happens where point was in the > window, not at point-max. This is the bug. Yes, I see the problem, but setting edebug-save-windows to nil eliminates it. So I think we already have a solution for the rare situations where this is an issue.