Any qualified elector of the State of Illinois having duly registered where such registration is required may vote at such election as hereinafter in this Article provided. Notwithstanding any law to the contrary, this Article extends to a certified program participant under the Address Confidentiality for Victims of Domestic Violence, Sexual Assault, Human Trafficking, or Stalking Act.
     For purposes of this Article 19, a physically incapacitated voter marks his or her ballot “personally” when the voter exercises his or her physical abilities to their reasonable limit in marking the ballot, and marking personally may include instructing the person assisting the incapacitated voter when giving such instruction represents the reasonable limit of the physical abilities.