From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Paul Pogonyshev Newsgroups: gmane.emacs.bugs Subject: bug#38191: incorrect text properties in result of `format' with multibyte(?) characters Date: Wed, 13 Nov 2019 01:31:25 +0100 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="252584"; mail-complaints-to="usenet@blaine.gmane.org" To: 38191@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Nov 13 01:32:11 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iUgZu-0013bD-VU for geb-bug-gnu-emacs@m.gmane.org; Wed, 13 Nov 2019 01:32:11 +0100 Original-Received: from localhost ([::1]:40694 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iUgZt-0006uq-S9 for geb-bug-gnu-emacs@m.gmane.org; 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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: 209.51.188.43 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:171480 Archived-At: "Multibyte" is a guess, I don't really know the underlying reason. Examples: (format (propertize "`foo' %s bar" 'face 'bold) "xxx") =3D> #("`foo' xxx bar" 0 13 (face bold)) (format (propertize "=E2=80=98foo=E2=80=99 %s bar" 'face 'bold) "xxx") =3D> #("=E2=80=98foo=E2=80=99 xxx bar" 0 10 (face bold)) Length of the string is the same in both cases. In the first example the face is correctly applied to the whole string, in the second example 3 last characters incorrectly lack a face. This is a regression, it used to work correctly before, but I don't know when it became broken. Tested on: GNU Emacs 27.0.50 (build 3, x86_64-pc-linux-gnu, GTK+ Version 2.24.32) of 2019-11-13 Paul