hangul_decomp_one

# File lib/unicode_normalize/normalize.rb, line 58
  def self.hangul_decomp_one(target)
    syllable_index = target.ord - SBASE
    return target if syllable_index < 0 || syllable_index >= SCOUNT
    l = LBASE + syllable_index / NCOUNT
    v = VBASE + (syllable_index % NCOUNT) / TCOUNT
    t = TBASE + syllable_index % TCOUNT
    (t==TBASE ? [l, v] : [l, v, t]).pack('U*') + target[1..-1]
  end