We thus
require citizens to apprise themselves not only of statutory language
but also of legislative history, subsequent judicial construction, and
underlying legislative purposes. (See generally Amsterdam, The
Void-For-Vagueness Doctrine in the Supreme Court (1960) 109 U. Pa.
L.Rev. 67.)
Walker v. Superior Court (1988) 47 Cal.3d 112
People v. Grubb (1965) 63 Cal. 2d 614