From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Thamer Mahmoud Newsgroups: gmane.emacs.bugs Subject: bug#44521: 27.1; ivy.el breaks harfbuzz Arabic shaping Date: Sun, 08 Nov 2020 19:15:37 +0300 Message-ID: <87tutz4yfq.fsf@brutus.matara> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7653"; mail-complaints-to="usenet@ciao.gmane.io" To: 44521@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Nov 08 17:16:37 2020 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 1kbnMr-0001rB-Cs for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 08 Nov 2020 17:16:37 +0100 Original-Received: from localhost ([::1]:52392 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kbnMq-00060F-FI for geb-bug-gnu-emacs@m.gmane-mx.org; 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That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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" Xref: news.gmane.io gmane.emacs.bugs:192887 Archived-At: When using ivy.el, some Arabic letters become disconnected. This bug doesn't affect Emacs 26.3 or any build "--without-harfbuzz". 1. Eval: (progn (load-library "~/.emacs.d/elpa/ivy-0.13.0/ivy-overlay.el") (load-library "~/.emacs.d/elpa/ivy-0.13.0/colir.el") (load-library "~/.emacs.d/elpa/ivy-0.13.0/ivy.el") (ivy-mode t) (run-with-timer .5 nil 'set-input-method "arabic") (run-with-timer .5 nil 'insert "=D8=A7=D9=84=D8=B3=D9=84=D8=A7=D9=85 =D8= =B9=D9=84=D9=8A=D9=83=D9=85") (execute-extended-command nil)) 2. While still in the minibuffer, type any Arabic letter. Note the AIN(=D8=B9) in "=D8=B9=D9=84=D9=8A=D9=83=D9=85" changes shape from initi= al to final. This bug breaks shaping in most buffers, especially after using swiper.el (ivy-based isearch). libharfbuzz0b 2.6.7-1 from debian testing In GNU Emacs 27.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.23, cair= o version 1.16.0) of 2020-11-08, modified by Debian built on x86-ubc-01 Windowing system distributor 'The X.Org Foundation', version 11.0.12008000 System Description: Debian GNU/Linux bullseye/sid Configured features: XPM JPEG TIFF GIF PNG RSVG CAIRO SOUND GPM DBUS GSETTINGS GLIB NOTIFY INOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE HARFBUZZ M17N_FLT LIBOTF ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS LIBSYSTEMD JSON PDUMPER LCMS2 GMP Important settings: value of $LANG: en_US.UTF-8 locale-coding-system: utf-8-unix --=20 Best, Thamer