///
void draw(PainterInfo & pi, int x, int y) const;
///
+ bool idxUpDown(Cursor & cur, bool up) const;
+ ///
bool idxFirst(Cursor &) const;
///
bool idxLast(Cursor &) const;
///
void mathmlize(MathStream &) const;
///
+ void htmlize(HtmlStream &) const;
+ ///
void validate(LaTeXFeatures & features) const;
///
InsetCode lyxCode() const { return MATH_OVERSET_CODE; }