Ongoing notes on http://www.w3.org/TR/css3-fonts/
General and font specific font feature property settings are resolved in the order below, in ascending order of precedence. This ordering is used to construct a combined list of font features that affect a given text run.
- Font features enabled by default, including features required for a given script.
- If the font is defined via an @font-face rule, the font features implied by the font-variant descriptor in the @font-face rule.
- If the font is defined via an @font-face rule, the font features implied by the font-feature-settings descriptor in the @font-face rule.
- Font features implied by the value of the ‘font-variant’ property, the related ‘font-variant’ subproperties and any other CSS property that uses OpenType features (e.g. the ‘font-kerning’ property).
- Feature settings determined by properties other than ‘font-variant’ or ‘font-feature-settings’. For example, se