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#59841: 29.0.50; 'before-string' text property doesn't work Date: Mon, 05 Dec 2022 21:41:42 +0200 Message-ID: <834ju98wp5.fsf@gnu.org> References: <87sfhtya77.fsf@disroot.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1018"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 59841@debbugs.gnu.org To: Akib Azmain Turja Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Dec 05 20:43:30 2022 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 1p2HNC-000AaJ-HD for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 05 Dec 2022 20:43:30 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p2HMq-0003q1-B3; Mon, 05 Dec 2022 14:43:08 -0500 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 1p2HMo-0003nS-Hk for bug-gnu-emacs@gnu.org; Mon, 05 Dec 2022 14:43:06 -0500 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 1p2HMk-0002md-Ii for bug-gnu-emacs@gnu.org; Mon, 05 Dec 2022 14:43:05 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1p2HMj-0000is-VB for bug-gnu-emacs@gnu.org; Mon, 05 Dec 2022 14:43:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 05 Dec 2022 19:43:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 59841 X-GNU-PR-Package: emacs Original-Received: via spool by 59841-submit@debbugs.gnu.org id=B59841.16702693252770 (code B ref 59841); Mon, 05 Dec 2022 19:43:01 +0000 Original-Received: (at 59841) by debbugs.gnu.org; 5 Dec 2022 19:42:05 +0000 Original-Received: from localhost ([127.0.0.1]:37949 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p2HLo-0000ic-Ql for submit@debbugs.gnu.org; Mon, 05 Dec 2022 14:42:05 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:33244) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p2HLm-0000iF-L7 for 59841@debbugs.gnu.org; Mon, 05 Dec 2022 14:42:03 -0500 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 1p2HLh-0002hn-E7; Mon, 05 Dec 2022 14:41:57 -0500 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=laYJF+8vFFvZldcXRKbmHj5uS6lZ92fG9rGvJdNu0XM=; b=JTwsKJcZx31j y/Da+f2qI/30padVmBK+Wyn9es5eIKUha/wwn0xL1nVWE1+Eb6uOaknKNGzhB/e7UCjYONnl1xYL5 WOHqiE6Omqyo8ogN0Qfa8bCu+Q3v1vyccRjl24vvS00xgGeB3IvXj9Qu0ekSabn7O1bCU0m0E0Qtk 38aa7ACyuBabLOP3M/fF8njXGpWBeJUPPBGswGPap1txU5/4TsH126bPrhnXqxwy7s8PS+zHOvsyD ZbG0ebrs/6h5/mo2B9AXN42zoyQ5IB3mCKjFQ/syPmw0iFTy4O9YzRy/g6aJ9+XjXQbIOXtF8WMvD yKzGSfBPPTDPPNS0gUSCPA==; 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 1p2HLg-0006Ff-NA; Mon, 05 Dec 2022 14:41:57 -0500 In-Reply-To: <87sfhtya77.fsf@disroot.org> (bug-gnu-emacs@gnu.org) 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:250058 Archived-At: > Date: Tue, 06 Dec 2022 00:30:52 +0600 > From: Akib Azmain Turja via "Bug reports for GNU Emacs, > the Swiss army knife of text editors" > > The 'Display Margins' node of Emacs Lisp manual says to put > 'before-string' on text to use the marginal area (is this the correct > term?) while not altering buffer text. But 'before-string' text > property doesn't work. > > Steps: 1. Open a clean fundamental mode buffer. > 2. (insert (propertize "foo" 'before-string "bar")) > 3. The buffer shows only "foo", but not "bar" before it. The code is incorrect: 'before-string' is an overlay property, not a text property. So you need to define an overlay with a 'before-string' property whose value is a string, and put a 'display' property on that string. And if you want the 'display' property to show text in the margin, you need also to use set-window-margins to setup the margin.