[issue43520] Make Fraction(string) handle non-ascii slashes

Frédéric Grosshans-André added the comment: @Gregory P. Smith unicodedata.numeric, in the sdandard library, already handles non-Ascii fractions in many scripts. The current “problem” is it outputs a float (even for integers): >>> unicodedata.numeric('⅔') 0.666

[issue43925] Add hangul syllables to unicodedata.decomposititon

New submission from Frédéric Grosshans-André : Currently (python 3.8.6, unidata_version 12.1.0) unicodedata.decomposition outputs an empty string for hangul syllable (codepoints in the AC00..D7A3 range) while the decomposition is not empty: it is always two characters (either a LV syllable