A surviving spouse who is not a beneficiary of a revocable trust executed before the marriage is not entitled to an intestate share of the trust under 20 Pa.C.S. § 2507(3) because that section is not a “rule of construction” within the meaning of 20 Pa.C.S. § 7710.2.  In re: Trust under Deed of David P. Kulig, 175 A.3d 222, 97 MAP 2016 (Pa. 12/19/2017) (opinion by Justice Wecht, with Justices Todd and Dougherty joining; C.J. Saylor dissenting; Justices Donohue and Mundy not participating), rev’g 131 A.3d 494, 2015 PA Super 271 (2015), 5 Fid. Rep. 3d 93 (O.C. Bucks Co. 2014).