Today we’re looking at one of the more essoteric parts of the spec. Import declarations … Implementation restriction: A compiler may restrict ImportPaths to non-empty strings using only characters belonging to Unicode’s L, M, N, P, and S general categories (the Graphic characters without spaces) and may also exclude the characters !"#$%&’()*,:;<=>?[]^`{|} and the Unicode replacement character U+FFFD. Other than what’s stated in the quote, we’re not going to look at an exhaustive l...