+ MathClass mathClass() const override { return math_class_; }
+ /// The default limits value in \c display style
+ Limits defaultLimits(bool display) const override;
+ /// whether the inset has limit-like sub/superscript
+ Limits limits() const override { return limits_; }
+ /// sets types of sub/superscripts
+ void limits(Limits lim) override { limits_ = lim; }