class MathUnknownInset : public MathDimInset {
public:
///
explicit MathUnknownInset(std::string const & name,
bool final = true, bool black = false);
///
class MathUnknownInset : public MathDimInset {
public:
///
explicit MathUnknownInset(std::string const & name,
bool final = true, bool black = false);
///