Sure, but there is no way this should be used as a reference in 2019. It was wrong even in 2003 when it was written - Unicode 3.0 from 1999 defined the maximum number of code points, surrogate pairs, and code points above U+FFFF.
His single most important fact still rings true though, "It does not make sense to have a string without knowing what encoding it uses."
His single most important fact still rings true though, "It does not make sense to have a string without knowing what encoding it uses."