§ 55-74. Of "no act to encumber.".
A covenant by any such grantor "that he has done no act to encumber the saidlands" shall have the same effect as if he covenanted that he had not doneor executed, or knowingly suffered, any act, deed or thing whereby the landsand premises conveyed, or intended so to be, or any part thereof, are or willbe charged, affected or encumbered in title, estate or otherwise.
(Code 1919, § 5177.)