ErrorItem::ErrorItem(docstring const & error_, docstring const & description_,
int par_id_, pos_type pos_start_, pos_type pos_end_)
: error(error_), description(description_), par_id(par_id_),
ErrorItem::ErrorItem(docstring const & error_, docstring const & description_,
int par_id_, pos_type pos_start_, pos_type pos_end_)
: error(error_), description(description_), par_id(par_id_),