unicode unified the latin1 superscripts with the 2070 range, so 2071-2073
were not defined codepoints even in unicode 1.0
	http://www.unicode.org/Public/reconstructed/1.0.1/UnicodeData.txt
and in unicode 4.0, 2071 became a superscript i.
	http://www.unicode.org/Public/4.0-Update/UnicodeData-4.0.0.txt