var InverseRDFURL = "<subst:InverseRDFURL/>";
var MathMLContentURL = "<subst:MathMLContentURL/>";
var MathMLPresentationURL = "<subst:MathMLPresentationURL/>";
var InverseRDFURL = "<subst:InverseRDFURL/>";
var MathMLContentURL = "<subst:MathMLContentURL/>";
var MathMLPresentationURL = "<subst:MathMLPresentationURL/>";