The object responsible for hyphenating. It must respond to #hyphenate_to(word, size) and return an array of the word hyphenated into two parts. The size is the MAXIMUM size permitted, including any hyphenation marks.

Source Code

# File action_mailer/vendor/text-format-0.6.3/text/format.rb, line 335
def hyphenator=(h)
  raise ArgumentError, "#{h.inspect} is not a valid hyphenator." unless h.respond_to?(:hyphenate_to)
  arity = h.method(:hyphenate_to).arity
  raise ArgumentError, "#{h.inspect} must have exactly two or three arguments." unless [2, 3].include?(arity)
  @hyphenator = h
  @hyphenator_arity = arity
end