Idea to extend CCP4 cif2mtz to handle new data types better in the future.

H H _refl.index_h
K H _refl.index_k
L H _refl.index_l
FREE I _refln.status
FP F _refln.F_meas_au 
     _refln.F_meas
SIGFP Q _refln.F_meas_sigma_au
        _refln.F_meas_sigma
....

Page by Peter Keller original version 21 Dec 2011. Address problems, corrections and clarifications to buster-develop@globalphasing.com