“ For the benefit and protection of the Blue Land or any part or parts thereto and so as to bind so far as may be the land into whosoever hands the same may come the Transferee hereby covenants with the Transferor and also as a separate covenant with every owner 2 for the time being of any part of the Blue Land that the Transferee and his successors in title will observe and perform the restrictions and stipulations set out in the Fifth Schedule hereto but so that neither the Transferee nor the persons deriving title under him shall be liable for a breach of this covenant occurring on or in respect of the land or any parts thereof after he or they shall have parted with all interest therein;”
“that the persons of full age and capacity for the time being or from time to time entitled to the benefit of the restriction, whether in respect of estates in fee simple or any lesser estates or interests in the property to which the benefit of the restriction is annexed, have agreed, either expressly or by implication, by their acts or omissions, to the same being discharged or modified”