code: function isCharHiragana(char = '') {
    if (isEmpty(char)) return false;
    if (isCharLongDash(char)) return true;
    return isCharInRange(char, HIRAGANA_START, HIRAGANA_END);
  }
docs: Tests a character. Returns true if the character is [Hiragana](https://en.wikipedia.org/wiki/Hiragana).
  @param  {String} char character string to test
  @return {Boolean}