+ ///
+ void metrics(MetricsInfo & mi, Dimension & dim) const;
+ ///
+ void draw(PainterInfo & pi, int x, int y) const;
+
+ ///
+ void normalize(NormalStream &) const;
+ ///
+ void validate(LaTeXFeatures & features) const;
+ ///
+ void maple(MapleStream &) const;
+ ///
+ void mathematica(MathematicaStream &) const;
+ ///
+ void octave(OctaveStream &) const;
+ ///
+ void write(WriteStream & os) const;