Some PUA properties, like glyph shapes and maybe directionality, can be stored in a font. Others, like numeric values and casing, might not or cannot. An interchangeable format needs to be agreed upon for the properties in the latter category.
-- Doug Ewell | Thornton, Colorado, USA | RFC 5645, 4645, UTN #14 www.ewellic.org | www.facebook.com/doug.ewell | @DougEwell
