For datum 6245, CRSs 4245, 24500 24547-48, amended name and added aliases and info source. For datum 6245 also added remarks. For tfm 1158 amended name and added aliases. Deprecated proj 19935 and projCRS 24571. Added UoM 9099 and 9300-03, ellipsoid 7056, datum 6751, geogCRS 4751, proj 19871-2, CS 4410, projCRSs 3167-68, tfms 15896 and 8659.