pub(crate) fn plan_embedded(runs: &[TextRun]) -> Result<Vec<EmbeddedFontPlan>>Expand description
Plan every embedded face touched by runs. Returns one
EmbeddedFontPlan per face actually referenced, in stable
(EmbeddedFontId-sorted) order.
ยงErrors
Returns an error if subsetting fails for a face: only possible with corrupted font data, which the bundled cuts are not.