From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.devel Subject: Re: [Patch]: Allow overlay arrows to be inserted before the text at column zero rather than splatting it. Date: Sun, 18 Aug 2019 15:30:11 -0400 Message-ID: References: <20190818134804.GA31509@ACM> <83mug6mtjy.fsf@gnu.org> <20190818161530.GB31509@ACM> <83imqumo7i.fsf@gnu.org> <20190818184356.GC31509@ACM> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="16593"; mail-complaints-to="usenet@blaine.gmane.org" Cc: Eli Zaretskii , Emacs developers To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Aug 18 21:31:06 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 1hzQtO-0004Br-2O for ged-emacs-devel@m.gmane.org; Sun, 18 Aug 2019 21:31:06 +0200 Original-Received: from localhost ([::1]:42658 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hzQtM-0001QK-9E for ged-emacs-devel@m.gmane.org; Sun, 18 Aug 2019 15:31:04 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:56103) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hzQsp-0001OS-S0 for emacs-devel@gnu.org; Sun, 18 Aug 2019 15:30:32 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hzQso-0003WS-SF for emacs-devel@gnu.org; Sun, 18 Aug 2019 15:30:31 -0400 Original-Received: from mail-ot1-x32f.google.com ([2607:f8b0:4864:20::32f]:35890) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hzQsn-0003Vd-Kp; Sun, 18 Aug 2019 15:30:29 -0400 Original-Received: by mail-ot1-x32f.google.com with SMTP id k18so3579595otr.3; Sun, 18 Aug 2019 12:30:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=PQ4OxTBHAk9i+vVZ5k8dRsU0vKdK2IYF+vrX2CLA21s=; b=dk7PChSXflQBE2AVTd7Q1hOLLHATDR/FXMGaE/LhCf47qc7zDoA0oD5qj9jkMd6RE+ j3DXV5c6PK0NZLu6GRA36Vcf88+4WwuTZs0xr+M7K83w1mx15jJp8Hje51/0xG8u45i3 NeZPauFBTBjKP0b0b6sWjA+BRnhJpk89+M0IDa7BhqYeXhe5m67TtnSpwBpjyyI/+V2F rxxzz40fDFM+LZPnyY+GdIn5jQn46BuqtFVL43zw1xcTcEKcNbEv3JScPZz4gBhsRYgh lg25i7577qW9V3w9muYfpn9rpEn2n/czv32oqlJWLJatb55pnwnFBGqC1zPB0wVhT2Zu LE8Q== 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=PQ4OxTBHAk9i+vVZ5k8dRsU0vKdK2IYF+vrX2CLA21s=; b=EzWl9hYZRXMVKwfPd6L2EGxMik2TcM+pvyUAXyMXMnXmxqbtaBw6g2uOsf7YSC2H9T C71qK06ki4/CUV2pUEVPnyxPw8JmBxEOMxCJRi5Yo3pg8l9G/P07vq9ObLKkaZvr67Xh gR55LMNPahLhboFY+vWAj6bWM8bazEgMumFpj3K6F2QWrTdEs1tl7rdgSZW9bHMhtQOT k+7T6kWl/+z+ZevWpiz/bSxEzgNbxPbxteiOhqrpExzVWBp6/pFvBZmeN5ggGZe5VPTR ugAzcbhnfYtB42IEod0BPJ5X1oYwS1WDUrDBcD+Iw6fh5uEjqtSBliMUOupOCQU6XhmK E8gg== X-Gm-Message-State: APjAAAVzDr/Z+EpMDkmj9+SDaGoxYdkNHLu7OSI+J6BoRIPRp5CufBoA shgFuqpML9CBJpdJkbO/r+2OAZXWV0B7Hxuz6Z67cw== X-Google-Smtp-Source: APXvYqxA3yHLvzMowAmt4DNWAlz87SMmnlR6LHKdgpEUq7yX5K3qqqPQgEjLkJ4vafSS0ApY/55IT6Dm/g+GDgnOpG4= X-Received: by 2002:a9d:73c4:: with SMTP id m4mr16600257otk.369.1566156628225; Sun, 18 Aug 2019 12:30:28 -0700 (PDT) In-Reply-To: <20190818184356.GC31509@ACM> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::32f 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:239447 Archived-At: On Sun, 18 Aug 2019 at 14:44, Alan Mackenzie wrote: > I don't think there's anything else in Emacs at the moment that could > take its place. The essence here is being able to insert "=>" onto the > display _without_ disturbing the horizontal alignment, as needed by > debuggers. Maybe, in addition to before-strings and after-strings we > need "overlay-strings" (with a better name than that), which would cover > up the underlying text. Or do we already have something like that? I think the 'display' property would work for that.