The twenty-third article of the articles of amendment of the constitution of this commonwealth , which is as follows, to wit: — “No person of foreign birth shall be entitled to vote, or shall be eligible to office, unless he shall have resided within the jurisdiction of the United States, for two years subsequent to his naturalization, and shall be otherwise qualified according to the constitution and laws of this commonwealth: provided, that this amendment shall not affect the rights which any person of foreign birth possessed at the time of the adoption thereof; and provided, further, that it shall not affect the rights of any child of a citizen of the United States, born during the temporary absence of the parent therefrom,” is hereby wholly annulled.