From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Fu Yuan Newsgroups: gmane.emacs.devel Subject: Re: Patch to vertically center line content when using line-spacing variable Date: Sun, 25 Apr 2021 19:25:03 -0400 Message-ID: <77B310CB-36E6-4E29-A5F7-BB173004C511@gmail.com> References: <83zgxmjet3.fsf@gnu.org> Mime-Version: 1.0 (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="36487"; mail-complaints-to="usenet@ciao.gmane.io" Cc: jessenzr@gmail.com, Lars Ingebrigtsen , email@johnmuhl.me, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Apr 26 01:25:43 2021 Return-path: Envelope-to: ged-emacs-devel@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 1lao8E-0009OZ-MH for ged-emacs-devel@m.gmane-mx.org; Mon, 26 Apr 2021 01:25:42 +0200 Original-Received: from localhost ([::1]:47744 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lao8D-0000fb-NC for ged-emacs-devel@m.gmane-mx.org; Sun, 25 Apr 2021 19:25:41 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37138) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lao7h-0000Dz-Nl for emacs-devel@gnu.org; Sun, 25 Apr 2021 19:25:09 -0400 Original-Received: from mail-qk1-x736.google.com ([2607:f8b0:4864:20::736]:46633) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lao7f-0007WF-Az; Sun, 25 Apr 2021 19:25:09 -0400 Original-Received: by mail-qk1-x736.google.com with SMTP id v23so2902593qkj.13; Sun, 25 Apr 2021 16:25:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=content-transfer-encoding:from:mime-version:subject:date:message-id :references:cc:in-reply-to:to; bh=J9xlapth5fLy9UHRJy9RZXy7ViZ3RfkajuW3+9BVVZg=; b=Vrj1s5fWtOt6tUKBBul2XAb3yJQWCIpR6FKXNhjFbnkW9uGJpCR6C2zP05z/nRTKac 1+3b6x9P9xC+DmjtsP4FSavW4BxUmBUaVqbqqkyRcrV75eYRIG9TqDvGbT0Xow8tAPK8 nMotUSyA9ws8SR58Bt/5iyRTQvUQG2qnxa0jvq4dQGNTxZAlxsucXKCJjO1bQZ8hsGbW Yvk7Ow38lWUxot0/nZZUdzPdDyhLel4abZuAryEMd4XOgge+k0kytL9mx+zEQYk/nvNB z9itPMxPYZmBrQCHcIb4vhpWiThv6BmTOzTDJ1b+/VIe4ygQB2q5CAXmsefeq1YQD6Xa jV0A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:content-transfer-encoding:from:mime-version :subject:date:message-id:references:cc:in-reply-to:to; bh=J9xlapth5fLy9UHRJy9RZXy7ViZ3RfkajuW3+9BVVZg=; b=IIItYPORRgzQhMVRSVvv1t6aNVkWqTMBxXectS0+Dpigzfee2mIUn70mD0BYn6silf edOEZIjUvAoyfGFj4hzZ61qSsaUer6EjTYH3W0B52OFnR9NWf2yx6q+ZE505iB0+DXx+ NvlkJoRwjS2Pm0/INETkZgaQOKGLfPO73Q4za44tnKF+ELcm6I0vfPLKvyVaInA/zQHv D2iCI/GEkEl7JFmAS7Dy2l/gMIVnskd/jnpopiIICr56rCojg8q5qRvDmwLPZ81aNLr5 ta9BYAu/c5e5p0FjWIgtZ/V0r/FLzXySNjJErAC++BtjeNrzL3q62f4G7hAj+R6+7lj/ oY1g== X-Gm-Message-State: AOAM5328tmnpN/EIXpKm5o+4K+tJL31sQDTqgmcAmWXwiRWxJg3+j9MT GKz7VSNYmqYI/4X5nLHV7PI= X-Google-Smtp-Source: ABdhPJx9ggEGE8Yn3a5IXRqrq9y58IhHbEiPzOTKgGew89N7ZYo7tYZDhYR8HJHKHJH8qMD3ITsBWg== X-Received: by 2002:a05:620a:1456:: with SMTP id i22mr14364512qkl.400.1619393105328; Sun, 25 Apr 2021 16:25:05 -0700 (PDT) Original-Received: from ?IPv6:2601:98a:4102:3d80:c9a4:ad35:6dc6:ef8a? ([2601:98a:4102:3d80:c9a4:ad35:6dc6:ef8a]) by smtp.gmail.com with ESMTPSA id l14sm9397538qkp.56.2021.04.25.16.25.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 25 Apr 2021 16:25:05 -0700 (PDT) In-Reply-To: <83zgxmjet3.fsf@gnu.org> X-Mailer: iPhone Mail (17H35) Received-SPF: pass client-ip=2607:f8b0:4864:20::736; envelope-from=casouri@gmail.com; helo=mail-qk1-x736.google.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 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, FREEMAIL_REPLY=1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:268437 Archived-At: > =E5=9C=A8 2021=E5=B9=B44=E6=9C=8825=E6=97=A5=EF=BC=8C=E4=B8=8B=E5=8D=884:2= 4=EF=BC=8CEli Zaretskii =E5=86=99=E9=81=93=EF=BC=9A >=20 > =EF=BB=BF >>=20 >> From: Lars Ingebrigtsen >> Date: Sun, 25 Apr 2021 21:41:09 +0200 >> Cc: jessenzr@gmail.com, emacs-devel@gnu.org >>=20 >> Does anybody have any comments here before I apply the patch? >=20 > Please wait for a day or two, I would like to take a look at this. >=20 > Thanks. >=20 Without this patch, one can center a line by using line-spacing and line-hei= ght together. However line-height has to be applied as a text property, whil= e line-spacing can be set as a variable. So this patch is useful in that reg= ard. Has anyone looked at how does this patch interact with line-height? Yuan=