From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Ligatures Date: Tue, 19 May 2020 17:18:41 +0300 Message-ID: <83eerg80u6.fsf@gnu.org> References: <20200517124125.000013a4@web.de> <97C7EAB7-10AB-4702-ABC8-EB6C1C50ABDB@gnu.org> <20200517165953.000044d2@web.de> <83lflqblp0.fsf@gnu.org> <83ftbybio3.fsf@gnu.org> <83zha69xs2.fsf@gnu.org> <83367x9qeq.fsf@gnu.org> <875zcs32fv.fsf@Otto.invalid> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="43032"; mail-complaints-to="usenet@ciao.gmane.io" Cc: pipcet@gmail.com, emacs-devel@gnu.org To: ASSI Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue May 19 16:19:27 2020 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 1jb35a-000B49-4C for ged-emacs-devel@m.gmane-mx.org; Tue, 19 May 2020 16:19:26 +0200 Original-Received: from localhost ([::1]:41874 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jb35Z-0002Fu-5l for ged-emacs-devel@m.gmane-mx.org; Tue, 19 May 2020 10:19:25 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39182) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jb34v-0001M6-OW for emacs-devel@gnu.org; Tue, 19 May 2020 10:18:45 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:51908) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jb34t-0003Py-CQ; Tue, 19 May 2020 10:18:43 -0400 Original-Received: from [176.228.60.248] (port=4367 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jb34s-0004WS-NQ; Tue, 19 May 2020 10:18:43 -0400 In-Reply-To: <875zcs32fv.fsf@Otto.invalid> (message from ASSI on Tue, 19 May 2020 07:43:00 +0200) 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:250922 Archived-At: > From: ASSI > Cc: pipcet@gmail.com, emacs-devel@gnu.org > Date: Tue, 19 May 2020 07:43:00 +0200 > > The only program I ever used that I remember doing this (a WYSIWYG TeX > editor for DOS, natch) temporarily broke the ligature while you were > moving the cursor inside. It looked a bit strange and was slightly > distracting if you were just moving the cursor without trying to edit > it, but otherwise did the job well. That's what I had in mind (although I never used such an editor). > The origin of this ligature has no general consensus AFAIK, but if you > read older (facsimile) printed literature from around 1800 it becomes > pretty obvious that the typeface evolved from a combination of long s > (mainly used inside a word) and round s (used at the end). The origin > of "sz" in that place is even more complicated to figure out, but it > seems (to me anyway) that this was driven by a desire to preserve the > distinction to double s / "ss" when using typefaces that didn't have the > proper glyphs for the various types of "s" previously available in > Fraktur. Neither "fs" nor "fz" should ligature into "ß" (which is a > proper glyph these days and no longer a ligature, although you are still > allowed to break it into either "ss" or "sz" when using typefaces that > don't support it, like most versalia). I think we should support these unusual ligatures for those who'd like to see them, probably as an opt-in feature.