+ bool hidden() const;
+ ///
+ docstring const xmlname() const;
+ ///
+ char const * MathMLtype() const;
+ ///
+ latexkeys const * symbol() const { return sym_; }
+ ///
+ void setSymbol(latexkeys const * sym) { sym_ = sym; }
+ ///
+ DocIterator const & pos() { return pos_; }