class RDoc::RubyToken::TkNode

def ==(other)
  self.class == other.class and
  other.line_no == @line_no and
  other.char_no == @char_no and
  other.node == @node
end

def initialize(seek, line_no, char_no, node = nil)
  super seek, line_no, char_no
  @node = node
end

def set_text text
  @node = text
  self
end