Add the compilation's publisher

Warning²Federal courts, Illinois courts21st and 22nd editions

An unofficial state compilation prints its publisher in the date parenthetical; a compilation made under official supervision takes the year alone.¹

1. 1R. 12.3.1(d) Publisher, editor, or compiler; B12.1.2 State Statutes. Tables: T1.3 States and the District of Columbia.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.