+ int plaintext(odocstringstream & ods, OutputParams const & op,
+ size_t max_length = INT_MAX) const;
+ ///
+ docstring xhtml(XHTMLStream &, OutputParams const &) const;
+ ///
+ void doDispatch(Cursor & cur, FuncRequest & cmd);
+ ///
+ bool clickable(BufferView const &, int, int) const { return true; }