boost::bind(&SMPTEMetadataDialog::content_versions, this),
boost::bind(&SMPTEMetadataDialog::set_content_versions, this, _1),
boost::bind(&content_versions_column, _1, _2),
boost::bind(&SMPTEMetadataDialog::content_versions, this),
boost::bind(&SMPTEMetadataDialog::set_content_versions, this, _1),
boost::bind(&content_versions_column, _1, _2),