# File lib/multi_json/vendor/ok_json.rb, line 362 def unsubst(u) if u < Usurrself || u > Umax || surrogate?(u) return Ucharerr, Ucharerr end u -= Usurrself [Usurr1 + ((u>>10)&0x3ff), Usurr2 + (u&0x3ff)] end