Remove italics from the signal

Warning²Law reviews21st and 22nd editions

A signal is italicized where it introduces a citation sentence or clause; a signal doing the work an ordinary sentence's verb would do stays in plain type.¹

1. 1R. 2.1(d) Introductory signals; R. 1.2(e) Signals as verbs.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.