> implement superscript ascii character support They are _not_ in ASCII. A few are available in some 8-bit code-pages that expand on ASCII's 7-bit character se

> implement superscript ascii character support They are _not_ in ASCII. A few are available in some 8-bit code-pages that expand on ASCII's 7-bit character set, otherwise you need to be working in a Unicode-supporting environment (which is most these days, thankfully).