This block starts by a line containing a single integer describing the number of orbital sets. One orbital set is a group of orbitals on which one adds a Hubbard U. Each following line of this block contains the index of a state to be used to construct the localized basis, followed by the index of the corresponding orbital set. See DFTUBasisFromStates for details.
hamiltonian/lda_u.F90 : 411
if (parse_block(namespace, 'DFTUBasisStates', blk) == 0) then