10 Appointments by will to be executed like other wills, and to be valid, although other required solemnities are not observed. E+W+N.I.

No appointment made by will, in exercise of any power, shall be valid, unless the same be executed in manner herein-before required; and every will executed in manner herein-before required shall, so far as respects the execution and attestation thereof, be a valid execution of a power of appointment by will, notwithstanding it shall have been expressly required that a will made in exercise of such power should be executed with some additional or other form of execution or solemnity.