DECLARE_SCHEME_CALLBACK(constructor, ());
Folded_repeat_iterator (Folded_repeat_iterator const &src);
Folded_repeat_iterator ();
virtual void derived_mark () const;
DECLARE_SCHEME_CALLBACK(constructor, ());
Folded_repeat_iterator (Folded_repeat_iterator const &src);
Folded_repeat_iterator ();
virtual void derived_mark () const;