An Act amending Title 20 (Decedents, Estates and Fiduciaries) of the Pennsylvania Consolidated Statutes, further providing for the jurisdiction of the orphans' court regarding powers of attorney and for the situs of an inter vivos trust; permitting a decedent by will to expressly exclude or limit the right of an individual or class to succeed to property passing by intestate succession; further providing for a will signed by mark; confirming the abolition of the doctrine of worthier title; providing for penalty clauses for contest in wills and trusts; increasing certain monetary limits; clarifying that the court may dispense with the appointment of a guardian for a minor under certain circumstances; providing for the right of recovery of Federal estate tax; clarifying that the cy pres doctrine applies to testamentary and inter vivos trusts; further providing for the effect of divorce on designation of beneficiaries; confirming the right to disclaim for a joint tenant with right of survivorship; making the rules of abatement for decedents' estates applicable to inter vivos and testamentary trusts; further providing for the form and implementation of a power of attorney and for declarations governing life-sustaining treatment; and providing for anatomical gifts.