Add the comma after “e.g.”

Error²Federal courts, Illinois courts21st and 22nd editions

“E.g.,” is the one signal printed with a comma after it, whether it stands alone or attaches to another signal.¹

1. 1R. 1.2(a) Signals that indicate support. Tables: B1.2 Introductory Signals.
2. 2An error: the rule in note 1 allows one form, and this is not it.