+ void apply(ParagraphParameters const & params, Layout const & layout);
+
+ // It would be nice to have a working version of this method, so that
+ // getStatus() could return information about what was possible.
+ // bool canApply(ParagraphParameters const & params, Layout const & layout)
+ // { return true; }
+
+ /// write out the parameters to a stream
+ void write(std::ostream & os) const;
+