his vote at an election, or for withholding the same, shall thereby forfeit the right to vote et such election, and any elector whose right to vote shall be challenged for such cause before the election officers shall be required to swear or affirm that the matter of the challenge is un true before Ina vote shall be received. SEC. 9. Any person who shall, while a candidate for office, be guilty of bribery, fraud, or willful violation of any election law, thall be forever disqualified from holding an office of Unit or protit in this Commonwealth; and any person convicted of willful violation of the elec tion laws,shall.in addition to any penalties pro vided by law,be deprived of ihe right of outing° absolutely for a term of tour years. SEC. 10. In trials of contested elec tions, and in proceedings for the inves tigation of elections, no person shall be permitted to withhold his testimony up on -ground that it may criminate 'himself er subject him, to public infamy; but such testimony shall not afterwartia be used against him in any judicial pro ceeding,'except for perjury in giving such testimony. Sec. 11. Townships and wards of cities , or boroughs shall form or be divided into election districts of eomkiact and conti pions territory, in such manner as the Court of Quarter Sessionii of the city or county in which the same are located may direct; but aistricts.in cities of over one hundred thousand inhabitants shall be divided by the Courts of Quarter Sea- Zio" having jurisdiction therein when ever at the next preceeding election more than two hundred and fifty votes shall hare been polled ther,in ; and other el ection districts whenever the court of the proper county shall be of opinion that the convenience of the electors and the public interests will be promoted there by. Sec. 12. All elections by persona in a representative, capacity shall be VIVA voce. Sec. 13. For the purpose of voting, no person shall be deemed to have gained a residence by reason of his presence. or lost it by reason of his absence while em ployed in the service, either civil or mili tary, of this State or of the United States nor while engaged in the navigation of the waters of the State or of the United Statmor on the high sea, nor while a st u