dynare merge requestshttps://git.dynare.org/MichelJuillard/dynare/-/merge_requests2021-07-24T09:34:54Zhttps://git.dynare.org/MichelJuillard/dynare/-/merge_requests/1Adding dr.state_nbr for purely backward model2021-07-24T09:34:54ZMichelJuillardAdding dr.state_nbr for purely backward modelThis is to make downstream code that refers to ``dr.state_var`` compatible with purely backward models.This is to make downstream code that refers to ``dr.state_var`` compatible with purely backward models.