"doubleunderscore__doubleunderscore": integerType,
			}),
			valid: []string{
				// CEL lexer RESERVED keywords must be escaped
				"self.__true__ == 1", "self.__false__ == 2", "self.__null__ == 3", "self.__in__ == 4", "self.__as__ == 5",
				"self.__break__ == 6", "self.__const__ == 7", "self.__continue__ == 8", "self.__else__ == 9",
				"self.__for__ == 10", "self.__function__ == 11", "self.__if__ == 12", "self.__import__ == 13",

See p. 59. [J] _See our_ Author's Lect. Optic. _Part_ II. _Sect._ II. _p._ 239. [K] _As is done in our_ Author's Lect. Optic. _Part_ I. _Sect._ III. _and_ IV. _and Part_ II. _Sect._ II. [L] _See our_ Author's Lect. Optic. _Part_ II. _Sect._ II. _pag._ 269, &c. [M] _This is demonstrated in our_ Author's Lect. Optic. _Part_ I. _Sect._ IV. _Prop._ 35 _and_ 36. THE SECOND BOOK OF OPTICKS _PART I._ _Observations concerning the Reflexions, Refractions, and Colours of thin transparent Bodies._ It has been...