bool final = true, bool black = false);
///
void metrics(MetricsInfo & mi, Dimension & dim) const;
bool final = true, bool black = false);
///
void metrics(MetricsInfo & mi, Dimension & dim) const;
/// identifies UnknownInsets
InsetMathUnknown const * asUnknownInset() const { return this; }
/// identifies UnknownInsets
/// identifies UnknownInsets
InsetMathUnknown const * asUnknownInset() const { return this; }
/// identifies UnknownInsets