Does unicode support allow a portable STL UDL like s² ?

inline fancy_unity_time_square operator "" s²(long double s) { 
return fancy_unity_time_square{s * s};
};

auto t2 = 6s²
auto g = 9.8m/s²;


Working sample
https://www.godbolt.org/z/eYz31a9cq


BR
Cleiton