+ virtual std::auto_ptr<InsetBase> clone() const;
+ ///
+ void metrics(MetricsInfo & mi, Dimension & dim) const;
+ ///
+ void draw(PainterInfo &, int x, int y) const;
+ ///
+ void metricsT(TextMetricsInfo const & mi, Dimension & dim) const;
+ ///
+ void drawT(TextPainter &, int x, int y) const;
+ /// identifies FracInsets
+ MathFracInset * asFracInset();
+ /// identifies FracInsets
+ MathFracInset const * asFracInset() const;
+ ///
+ std::string name() const;
+
+ ///
+ void write(WriteStream & os) const;