code: function isOptionSet (option) {
        return context.options[1] != null ? context.options[1][option] === !spaced : false
      }
docs: Determines whether an option is set, relative to the spacing option.
  If spaced is "always", then check whether option is set to false.
  If spaced is "never", then check whether option is set to true.
  @param {Object} option - The option to exclude.
  @returns {boolean} Whether or not the property is excluded.