loop_
    _publ_manuscript_incl.entry_id    
    _publ_manuscript_incl.extra_item
    _publ_manuscript_incl.extra_info
    _publ_manuscript_incl.extra_defn
 'EXAMHYPO'   '_atom_site_symmetry_multiplicity' 'to emphasise very special sites'    yes
 'EXAMHYPO'   '_chemical_compound_source'        'rare material from unusual source'  yes
 'EXAMHYPO'   '_reflns_d_resolution_high'        'the limited data is a problem here' yes
 'EXAMHYPO'   '_crystal_magnetic_permeability'   'a new data quantity needed here'     no