From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: David Fussner via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts Date: Tue, 2 Jun 2020 15:32:09 +0100 Message-ID: References: <83zh9merd4.fsf@gnu.org> <83wo4qepab.fsf@gnu.org> <83lfl6eiod.fsf@gnu.org> Reply-To: David Fussner Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="693"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Eli Zaretskii , 41645@debbugs.gnu.org To: Pip Cet Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jun 02 16:36:42 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 1jg81y-000Y4g-6N for geb-bug-gnu-emacs@m.gmane-mx.org; 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Tue, 02 Jun 2020 14:36:01 +0000 Original-Received: (at 41645) by debbugs.gnu.org; 2 Jun 2020 14:35:06 +0000 Original-Received: from localhost ([127.0.0.1]:40533 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jg80Q-0006yf-0c for submit@debbugs.gnu.org; Tue, 02 Jun 2020 10:35:06 -0400 Original-Received: from mail-qv1-f53.google.com ([209.85.219.53]:36387) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jg80O-0006y5-GN for 41645@debbugs.gnu.org; Tue, 02 Jun 2020 10:35:04 -0400 Original-Received: by mail-qv1-f53.google.com with SMTP id f89so1861218qva.3 for <41645@debbugs.gnu.org>; Tue, 02 Jun 2020 07:35:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=sUAlOZH4Zboq68O5VSnzucmqCXH03FrGWt1+vY17v/4=; b=J1C9Ygkysm5CLnWuPnxQiNBk/yRdfO6lsDQlYyRt9ifgSwSr62YVuIqEyCjNUr0+aw JO2TFFH7YJmHUFig4mcJ6cepojC1k3W/w049qYhqseeb3dEP+hDY2Bl1Zjbz/Ravomgy NZ3iL90qAoynFNEzFxivxi4Pnof7rm6RSNoTjS3xYyn00wtK15X6gsNaI8sLjB75B7jT S1mRXzpizXlkTXsXoq5Ks9mvBFviQfUjYWoRdxhwofIsCRTXRBhdT8Gj8PG8jvkheQ+f yekktPPg46D5hbYTuV8UQTKXcQ89757ZGnYPqzvhkP0opLNUF61X3lArqppu4x//5OlB UGZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=sUAlOZH4Zboq68O5VSnzucmqCXH03FrGWt1+vY17v/4=; b=KGajOt28PiAgRaUSsX3VzrmTadcmbHtONDe6WXnntstAjMkPx7pauEQQIL2Ev+/vHH yztm/1JE8DlSLRdXQGv+b9S49an4QLkX3RBZCxIhc3Nfi4tP6BC4yzwzIgUnY2z17qaP xF4tK5Vv/OwBQuXE7tD77Ehl0fFHxSrWVKGk0CM8oihcN/JpQ6MVM8j42/2jvY5vsOu8 kGWn2H+u6EftOGcn29jS1o1G6dolQKbC01OhuZfKHTJkOcfs7MpHWFvazyYGERtiZuDE w3JNUiM1jGx/uTZzP8o611xAcuS3u/uSgzrgjtpG7zgsVv5v+4GsxZ2IoAvCWnqIhkjs igDQ== X-Gm-Message-State: AOAM533pqPSe3fogB6+aqXgF0N3uEmGVuV1vOjJgGDnWCqqn4VxbMsfx Bb1r/HZbLgTsAkSQLz4Zbm/0T2C6pcpy+gkFfq0= X-Google-Smtp-Source: ABdhPJyT/fYUmCFIFPHoDoLv12aWR2e7BXMw/C/1gSa5O6cnl8TRcU0e9Ot2ZapwwWcaYsT/+uhOv2kgcSGA3ZDkNTM= X-Received: by 2002:a05:6214:365:: with SMTP id t5mr10023751qvu.126.1591108498828; Tue, 02 Jun 2020 07:34:58 -0700 (PDT) In-Reply-To: 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:181397 Archived-At: You're quite right! At beginning of buffer, or indeed beginning of line, I see the artifact and the CGJ as a separate glyph after C-u C-x =, even if the fonts match. With your patch, C-u C-x = is the same, but no artifact. On Tue, 2 Jun 2020 at 15:07, Pip Cet wrote: > > On Tue, Jun 2, 2020 at 2:00 PM David Fussner wrote: > > Addendum to my previous email: my apologies for the inaccuracy in my > > initial bug report -- I believe I failed to notice in the Latin script > > that the letter glyphs were from DejaVu Sans Mono and the CGJ from > > DejaVu Sans > > I was confused about the same point, actually! > > > , hence the artifacts there. When both are DejaVu Sans, the > > issue doesn't appear, except in the Hebrew examples. > > Not even when you try entering a CGJ as the first character in a > buffer? I still saw the issue in that case, because > compose-gstring-for-graphic was called with a single glyph, for which > it returned the questionable lgstring. > > Thanks for testing my patch :-)