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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+larch=yhetil.org@gnu.org Sender: "Emacs-orgmode" X-Migadu-Flow: FLOW_IN X-Migadu-Spam-Score: -1.06 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20161025 header.b=vI46pUUZ; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (aspmx1.migadu.com: domain of emacs-orgmode-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=emacs-orgmode-bounces@gnu.org X-Migadu-Queue-Id: 14E97940111 X-Spam-Score: -1.06 X-Migadu-Scanner: scn1.migadu.com X-TUID: yhN4YI9WPVXp S=C3=A9bastien Miquel writes: > the delay, which must be caused by the already fontified parts. > I guess the issue must be wih emacs' internals. I had some issues with performance when displaying unicode symbols in the past for certain (large) fonts. That time, the following helped to improve Emacs performance drastically: (setq inhibit-compacting-font-caches t) That is the only thing I can think about in regard to the Emacs display engine slowness. Best, Ihor