##
# An empty line.  This class is a singleton.
class RDoc::Markup::BlankLine
  @instance = new
  ##
  # RDoc::Markup::BlankLine is a singleton
  def self.new
    @instance
  end
  ##
  # Calls #accept_blank_line on +visitor+
  def accept visitor
    visitor.accept_blank_line self
  end
  def pretty_print q # :nodoc:
    q.text 'blankline'
  end
end