From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.bugs Subject: bug#44784: Combining accent is not combining Date: Sat, 21 Nov 2020 21:17:09 +0200 Organization: LINKOV.NET Message-ID: <87h7piy9qq.fsf@mail.linkov.net> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21771"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (x86_64-pc-linux-gnu) To: 44784@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Nov 21 20:47:29 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 1kgYr3-0005Z8-0L for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 21 Nov 2020 20:47:29 +0100 Original-Received: from localhost ([::1]:56320 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kgYr1-0007ea-Vf for geb-bug-gnu-emacs@m.gmane-mx.org; 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Sat, 21 Nov 2020 19:45:49 +0000 (UTC) Received-SPF: pass client-ip=217.70.183.195; envelope-from=juri@linkov.net; helo=relay3-d.mail.gandi.net X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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:193814 Archived-At: --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sorry that I noticed this regression only now, but it's a pretty bad-looking regression: 0. emacs -Q 1. insert to the *scratch* buffer: ä́ і́ Я́ In 26.3 everything is correct, and COMBINING ACUTE ACCENT is combined above its previous character: --=-=-= Content-Type: image/png Content-Disposition: inline; 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charset=utf-8 Content-Transfer-Encoding: 8bit Composed with the following character(s) "́" using this font: xft:-PfEd-DejaVu Sans Mono-normal-normal-normal-*-22-*-*-*-m-0-iso10646-1 by these glyphs: [0 1 1071 878 13 0 13 21 0 nil] [0 1 769 649 0 5 11 18 -14 [-15 -4 0]] In 26.3 (x86_64-pc-linux-gnu, GTK+ Version 3.24.14) Configured features: XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS GLIB NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM THREADS LIBSYSTEMD LCMS2 But in 27.1 COMBINING ACUTE ACCENT is not combined with its previous character: --=-=-= Content-Type: image/png Content-Disposition: inline; filename=comb27.png Content-Transfer-Encoding: base64 iVBORw0KGgoAAAANSUhEUgAAANUAAABsCAIAAABy52BpAAAACXBIWXMAABXXAAAV1wEELLsZAAAL QElEQVR42u2de1hU1RbA1zkzzINHgGAgIIJIQAplolDS/RAVTRSLTAXFJNFuAhpcUwOlpMTMJBTN GyVSKmQPP9AAQRKRp4IKKiogMArO8BKGkdc8zjn3DyjRK2DJyADr99+sM7P3Povf3nudM/NxiIyM DECQQYLNMAxmARksSEwBgusfMlL9Ky0txSwggwUhkUgee0BLSwuzg2D9h6B/CIL+IegfgqB/CPqH IOgfgv4hCPqHoH8Igv4h6B+CoH8I+ocg6B+C/iEI+oegfwiC/iHoH4L+IQj6h6B/CIL+IegfgqB/ CPqHIOgfgv4hCPqHoH8qCNN02t+ay9J9Pbyw7ekaasw/ujdyb3xBE/PsOh2UM1UJJL3ADCayDP+x LCBH+56SMozkyEIegNqU7dcVvX6AqolfYsziWr3/ey39lH3Li0Jt2f10N4CdykW5321c6mxrqqfJ IYkefxi2bWiRXKlnqgqwh8PaJ7+5f6Xfb4q5+xL3uhkQQ6jTjuI9Hm9sSBUpgDPKYtI0O10uCQB0 3dXMa/Wqc6Yjb/1jOu9VC6oEdxo7GIahW+sFVVUCoVj2+Pe25m+doqE1NSRb/AwXhIHoVHFjpyOf AEL95YDEqo4ebcd78B67/g3KmSoX/P+7gwZ1c4ejXXAhbeaffj3Kmf/gQNtPb+t7HlfYhhZe2vYS e3gnQQWvP+j6grgvA73mOEw0N9Thq3G1DCwdFq6LyqiRKbNXWYafCYv4C459+A1Kyf4JKm5TAGp2 Dq/wR+wkVMHp1Z4evmpTIqVtOmmy/UwHTeL+3Wv5KfvWJ/2SEnUm4QMbjnJ6ZZm7BYWOljBA152N js5segYnqqamBgCMQi5nAIgRKqDq1X8d53+MTCiulz6I0OLzn76qSRDabx1pUHrl8+TXv08JVb3f hUcAaeCd8HA912v9NwxRwf2XN817/UK70T3WOUJ72rq1Lny4n3vusnz4lD7G7wQsNmEx9fH+XttP XBG1KUbgk4BUtbxVNJflZeZdqagVt3UqaIahblUD0C2N9+QAnGGSe2L0m/9NPUgs8v8xeevC5K1D 5C8z7P2ja9M/81m9M1XQ8X/rAU8mkw+r9PNt3o29ZG89wz44T/acpaO9Kb/v+394/av0uxK39nu9 vS1VNMY97Of8Ww2tMophGIaRJvnokcDA8HtcXduFg7GFUtB2CU85l56enp6efjLEiQMjBFVb/6iK 40eyJeT49Yfit/7rwW0JRiwUtg7H8khWHBF0oEzBm/rRbl8L1sir/1Rt/aMb6hppYBmZm3J7RJna 5MR82fDzj7oVHfTVRSnb2i8i0I4DgP4NNiwzy/EcQn7p56NX/vxxByO5HLU6OKVl2OlHC+M3hZ2V kKbv7g55TR1GJKq2/5JGnptX78mKyt06/cXfZ79u9Zy05lJmVrmmx3vzTh9MblVSr4zkwg97kgUU AABdl1lPAy06sz9Mpk8AALAtFgR6T9EY6D6bU7aGJDbA84t2fDZXZ6TeflbF3x/IhRkRvjNfNNRU Y6lpGto4r/zqjLDtlO9oErjzY5uUcQOauhPl3Pv2x3X9duB/69SaFWStRhDas76pePQ+90i6/4y/ P0Cw/kPQPwRB/xD0D0HQPwT9QxD0D0H/EAT9Q9A/BEH/EPQPQdA/BP1DEPQPQf8QBP1D0D8EQf8Q 9A9B0D8E/UMQ9A9B/xAE/UPQPwT9QxD0D0H/EAT9Q9A/BEH/EPQPQdA/BP1DEPQPGT4QDMOIRCJM BDIosEUiUWlpKSYCwf0XQf8Q5aEojloy08Vjd+HweogsyAuiVnouXew+Z87GJDHTf/wJ/WPESRvn LvumRNH9KnnTXK9vrin6HQ4t/CUk4oL8ieMDlobc8DfX/1ZLP9Pc04Ija2bPcA1Ovc8MyfH/bRjJ H6FuLrN8YsqpP0NqUwNi4+P2rLB65AGevcWVtf7R9zL27/ghp6aTAVA0l5zYs/PnUnkf8YHKiDhj p1/I92cqJDRAp6jg2A7/zcdu00Nm+RhS42daC88VqRvo1ebkCKgBuP745x+lyuM2bf/DeHVU4PTu hzeSejPWrCpKijtw4lqVZrSe53L/+WZqfcQH6hpex8l3bfuxQ9siL0vkmWExMz1XrXMfRwIA01Z6 Yt++YzllDZ0sDT3jiR4bw96xZHXN4usJ30Yfz7lZJ+Xpm0/2CNi0yIYHQFcd/veaGMEkjxV61xJy KyXE8wvCYgOmMDeP7zxw4kpVrbiD0DS0cvJc5zdvPE+et+PtkLSudS/vC3eXL4D9gu/3B5aNI3tt v0u3wu8Dd5283q7v8N4nW96y4PQ+fhWk7WJWkYaTn4fg67ScOysszJ9ymE/xcUYqFlbXNLb1mKi0 RFBcUNKsrqczSocWXC64US/tMz5QG69EVFVZWavga7B4mmSzoKLidmMHA0BXJ0TuS63UmRUQEhK0 ar4tX9pOd1cCJz/bHJVyQzHBdckSt2mjaq9XdTA967TkNNnUZes+CvB0NOIQALI7V8uIF+cs99/w 4dKJVElSZERiDQ0sS/eg4I/XOBuSwLZcEBQcHLz5ven6RH/tSwpyqi2cp46R12THxOW39zF+VdTv UvZl9mRHJ0cHs+qcnDv0IK5/7Elr4/5Y+3BpUFFOTffbonP605/GfbzWqCCtTCQ3NFPrLT5QW4Ls TlGppltYNDve51eriE1mF45dKL3vYMIHBSUHoNqbxXINB0cPlwX8rulGV2ckFd1nTfDZ/sWK8WwA oCkKejwBlTRbtDV0lSUbAFwBAED99Y++m63OZeQymWysKDM/rqK0UgEm+hOdZ9kIan+NOXtPf6Lz rNla3W303T5n6rvB/i6dieW5kVfrasU08Hsbv+o9lLX9clYhbffhJHUjvWnGsTm5NV5mpqTS/CMI ot/Iwxvh5HlzAeimMVYWOiTP5DV3kz7jAMA0/75xye5COQBpuCjysJ/tP5gQhMbk5f+ZDKAoNjA3 1tU0tH8n0L7riLm7/8pbe3/Jjgk/e5DgjnH0Cd2yxFodqKaGJorgmk8Y290byXqoQiYNjA16BuSi 84ciY9OvVrdI6a5liSOVygF6e2Rr3+3zdXS4QNBcDgFA01Rf41c1OoqyCmUT339ZHVhm0+z1fsrO vbvUdCypJP8ILp9HUtSfVSaloAgen9f/pCRHOa1Y+IRxQnf+rrT5A5Md9ku+X7/0yIR4eVlYjKe0 6fbVc0cj9505dDj7jc9dn2Pp6uuyGLGg8i71mhkLABiaBpL868wIsscLgI68mN2/XZSOcw0Imm2u VX/qy69O3Xt0SjJMj/2yv/afePwqRmdxdkGL9H7E4jkRAMBQCsjOq1081qhLQBZJwgNbemSjl3j/ 9R/Hwsas5eLpvLvtClnT9dTMcg0ra6O/ZjJVdjTQe+XurDaVzRctTPpyS+Thk5lXalo6KQBgqamx CADSdMY8Ww2q/EhI8N7YwzFRn/qHp4qZfvYBtq6ZjbWpZlPJjYaebyW0R+myCMXNtKMJKafS8irb mL/f/hChszjrQscr6+NPpaWlpaWlJe1yH3UrO7euuwYktU1M1G8XX2l6pCbsLf4E/pGmHh9vmCKM XvvWXDfvbed0vD5534Hfo+xqqROKmjpUN7GEup6OrCT50J7wbTtii0i7hYGrnDQAAEhj99DwD1xf YG4kHfnx18wa3QmmfazrfEefwDftdMpj/LzXfH5abjCafMg/Jy/vV83Im8ejdu3cFZvXyPzt9ocI 0mvZ59ttnafrdZ8+x3aGk25ZVl5Dt1jcKcv8Xr0btXzeG24rvy15cJu4t3hX+oRCIX7/iwwW+P0b gv4hIxWCYZgNGzZgIpDB8U8ikTz2gJaWFmYHUTb/Az/2FAhJKtWCAAAAAElFTkSuQmCC --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Composed with the following character(s) "́" using this font: xfthb:-PfEd-DejaVu Sans Mono-normal-normal-normal-*-22-*-*-*-m-0-iso10646-1 by these glyphs: [0 1 1071 878 13 0 13 16 0 nil] [0 1 769 649 13 4 11 17 -13 [0 0 0]] In 27.1 (x86_64-pc-linux-gnu, GTK+ Version 3.24.20) Configured features: XPM JPEG TIFF GIF PNG RSVG SOUND GPM DBUS GSETTINGS GLIB NOTIFY INOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE HARFBUZZ M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS LIBSYSTEMD JSON PDUMPER LCMS2 GMP It seems in 26.3 it's correct because it uses XFT, but the problem in 27.1 is with HarfBuzz . Maybe HarfBuzz doesn't support combining accents on some characters? It fails with the scripts above, but still has no problems with plain Latin characters. --=-=-=--