return {
    name = "charter-math",
    version = "1.00",
    comment = "Goodies that complement charter math.",
    author = "Hans, Mojca, Aditya",
    copyright = "ConTeXt development team",
    mathematics = {
        mapfiles = {
            "mdbch.map",
            "mkiv-base.map",
        },
        virtuals = {
            ["charter-math"] = {
             -- { name = "file:bchr8a", features = "virtualmath", main = true },
                { name = "file:bchri8a", features = "virtualmath", main = true },
             -- { name = "md-chr7m.tfm", vector = "tex-mr" },
                { name = "md-chri7m.tfm", vector = "tex-mi", skewchar=0x7F },
                { name = "md-chri7m.tfm", vector = "tex-it", skewchar=0x7F },
                { name = "md-chr7y.tfm", vector = "tex-sy", skewchar=0x30, parameters = true },
                { name = "md-chr7v.tfm", vector = "tex-ex", extension = true },
             -- { name = "md-chbma.tfm", vector = "tex-ma" },
             -- { name = "md-chbmb.tfm", vector = "tex-mb" },
                { name = "msam10.tfm", vector = "tex-ma" },
                { name = "msbm10.tfm", vector = "tex-mb" },
            }
        }
    }
}