##
# A hard-break in the middle of a paragraph.
class RDoc::Markup::HardBreak
  @instance = new
  ##
  # RDoc::Markup::HardBreak is a singleton
  def self.new
    @instance
  end
  ##
  # Calls #accept_hard_break on +visitor+
  def accept visitor
    visitor.accept_hard_break self
  end
  def == other # :nodoc:
    self.class === other
  end
  def pretty_print q # :nodoc:
    q.text "[break]"
  end
end