OpenType features

By Stefan Peev, July 24, 2018

Why we need to understand OpenType features

Much of the font creator programs offer nowadays simplified ways to create OpenType features. But when the things go wrong these programs could not help us. So we need to understand the structure, the logic and the syntax of the OpenType features.
Like in every other process, which we want to know how to rule, we need to start with some learning. Here are the basic resources for OpenType features.

Tal Leming: OpenType Cookbook
Martin Wenzel, Christoph Koeberlin: An Introduction to OpenType Substitution Features
Glyphs: Tutorials Tagged “OpenType Features”

Please, note that even well written OpenType features could not work. Why? Because the use of OpenType features relies on your applications’ support. Click here to see OpenType features’ support in applications. Check here for the browsers’ support for font-feature-settings.

OpenType Features
Glyph Name Suffixes

feature numr
feature dnom
feature frac
feature sups
feature subs
feature sinf
feature ordn
feature tnum
feature onum
feature pnum
feature lnum
feature zero
feature locl
- Bulgarian Cyrillic – .loclBGR
- Serbian Cyrillic – .loclSRB
- Macedonian Cyrillic – .loclMKD
- Bashkir Cyrillic – .loclBSH
- Chuvash Cyrillic – .loclCHU
- Romanian Latin – ROM
- Moldovan Latin – MOL
- Turkish Latin – TRK
feature ccmp
feature case
feature c2sc
feature smcp
feature liga
feature dlig
feature calt