return {
    name = "xits-math",
    version = "1.00",
    comment = "Goodies that complement xits.",
    author = "Hans Hagen",
    copyright = "ConTeXt development team",
    mathematics = {
        alternates = {
            cal = { feature = 'ss01', value = 1, comment = "alternative calligraphic shapes" },
        }
    }
}