From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: martin rudalics Newsgroups: gmane.emacs.devel Subject: Re: Question about display engine Date: Tue, 13 Aug 2019 10:17:52 +0200 Message-ID: References: <83k1bpasic.fsf@gnu.org> <20190807155738.yviofsumjjhqueci@Ergus> <83imr9ar9f.fsf@gnu.org> <0975890b-37b4-428d-f6e5-5dcf894fb6be@gmx.at> <83ftmdapxm.fsf@gnu.org> <20190808083804.ta3evocyb4hirywj@Ergus> <20190808145015.2qaxwzwf4ws2i3er@Ergus> <83ftm98dgu.fsf@gnu.org> <5361a037-d204-b746-790f-ee2ea09459e6@gmx.at> <83o90vu6ws.fsf@gnu.org> <831rxqtnaf.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="106290"; mail-complaints-to="usenet@blaine.gmane.org" Cc: spacibba@aol.com, emacs-devel@gnu.org To: Stefan Monnier , Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Aug 13 10:18:19 2019 Return-path: Envelope-to: ged-emacs-devel@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 1hxS0Z-000RSK-8L for ged-emacs-devel@m.gmane.org; Tue, 13 Aug 2019 10:18:19 +0200 Original-Received: from localhost ([::1]:50116 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hxS0Y-0000In-6M for ged-emacs-devel@m.gmane.org; Tue, 13 Aug 2019 04:18:18 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:41580) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hxS0T-0000IT-1L for emacs-devel@gnu.org; Tue, 13 Aug 2019 04:18:13 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hxS0S-0004Ea-5k for emacs-devel@gnu.org; Tue, 13 Aug 2019 04:18:12 -0400 Original-Received: from mout.gmx.net ([212.227.17.21]:41125) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hxS0O-0004Bf-17; Tue, 13 Aug 2019 04:18:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1565684272; bh=9ixASCnoz6zIHlM+F46ImB1M8hPfln781S/2l+BP878=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=ai5hdItUAbnVj8y+KTjkd3P6W0e4jdHMLLFWDWYmOMfsVi2F0RKNrEAGGy7KR285P RZBIAm6db7FSHHOjW0UV0OiwVtFK455Kh+gHpq7ZnkblYhfpZW4hcYw+0taZoGd4/+ M7Z+IL65fKryHltrtRZd7crpMx0Hr4TGfo/QANI4= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Original-Received: from [192.168.1.101] ([213.162.80.252]) by mail.gmx.com (mrgmx103 [212.227.17.168]) with ESMTPSA (Nemesis) id 0M85r3-1iAyiM3yfB-00vepE; Tue, 13 Aug 2019 10:17:52 +0200 In-Reply-To: Content-Language: de-DE X-Provags-ID: V03:K1:gFkOOKq2MiKfNbNV4rUEDnIH1xvio80y4zXHnox5acAUgZJ1Ieu FV2JGORbAGJnxDqkDCNk1ejAu1a5ByMblxLwfOcTUEPi/m+/xrOnw3W34N5TNfHuPz0kN/H SYbiExj2FOVxLUl27DxWbCD6LHC0jhZUjUapX2votOlAUePgqPZqK0T+oAVN/1aMSb/yuc8 9F2V0SHxj/UaUkEyyQ1Dw== X-UI-Out-Filterresults: notjunk:1;V03:K0:UJ7Edop0iV4=:DFTxs0eBCCg78eXnR3VW1a vFrqrXJEUkCn884kUrw2lkmCMtbpolrkdh9Rsj1xEfHYAU+bL0D5ydUAIvYH8XYeHCXlVUDlk hY6OFB5xR7m/d3BvAqBZcA2Y7Oe/Y5vv5JD7Nn6HosF7zJZ8jOo3xbQRa/TrdiFDXODWDFG+X Q6NPVwLH2YUOOSTVoGD0GSRZYAn3ayPBAnN2RQFNHa2GBkZn8t43RcFTtVnEL04K7JWthqp5V fkxNlZ+ABa0/FCpdQgTYjoLv3fjABnK731D6GV09Z4kCyIjH+urr31oDr4iNsA5F85u69T/K1 21y6+SUKAClU4ruiyPqRnmuSdJPMrxvk+xZi7G5HprJhteePgxTrNyJysluzTRjo0uCjnWRHD KIII6ORxBDVUesgUiEy7/LT4kN0/GA/bPBkKGExNTw3tu4RKStwSQmn5dBxSbvm4Og7VupP4h m4ZhI+5USelsXF51uC5IcYujUt3FyjC/OVAfbRBc2EoPi44fhcUNrn/k7MkTowHyEQGvZ/zD3 A61ExChvHsUuPR1ZFKzPDy2T+gAsDVcPKlI+l/IGfgZ0uErdyxF7Mf5joi1Yw+udBr+Zonpbb d3aTq/v7UhUUzKD4sjBVDBXtcs58vXGNa8iV+sZAREoGjXKEPJN94uHnqXjkqCJNAkktiHuJC VLe0yv8ahBlrazJSO+cTr4vAiPY2lL1WlqUAxwZeMU4E6KvGSnwgpRCvNj92h41eR4/EqGVln ejPi/ZHMxK5WjgbK0O5/1wB5pxkA7sjGEDgCbjvLtLlBMZI0HTZYTmXDxrpPXAlMMW02uLap X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 212.227.17.21 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:239341 Archived-At: > ... the face used on the "rest of the line" should be computed by > merging the various faces that apply to the corresponding LF character > but where the new `extend-to-end-of-line` property is obeyed > (i.e. a face is skipped if that property is nil). IOW the > extend-to-end-of-line property is applied *during* merging rather than > after it. That's the idea. The display engine would then simply have to look at a single bit to tell whether to extend a specific attribute to the end of the line or not. > Most likely this can't be mapped to the way things are done, tho. Most likely the solution will be disappointingly simple, once Eli found it. martin