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([2601:184:4180:66e7:bda5:ac5c:1de0:b677]) by smtp.googlemail.com with ESMTPSA id u129sm6794931qkb.51.2020.05.22.06.29.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 22 May 2020 06:29:58 -0700 (PDT) In-Reply-To: <83ftbs2jr5.fsf@gnu.org> Content-Language: en-GB Received-SPF: pass client-ip=2607:f8b0:4864:20::f35; envelope-from=cpitclaudel@gmail.com; helo=mail-qv1-xf35.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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:251226 Archived-At: On 22/05/2020 09.15, Eli Zaretskii wrote: > I thought the set of all the ligatures is known, and guided by > typography experts. I don't think so, at least not for programming fonts? > Do font designers really support ligatures from > any arbitrary combination of characters? If so, where can I read > about this? Yes; that's what I was alluding to in my example with comment signs and arrows. I think the pictures on https://github.com/tonsky/FiraCode should be illuminating. I hope I'm not misunderstanding your question :/