inspect (Treetop::Runtime::SyntaxNode)

    # File lib/treetop/runtime/syntax_node.rb, line 45
          def inspect(indent="")
            em = extension_modules
            interesting_methods = methods-[em.last ? em.last.methods : nil]-self.class.instance_methods
            im = interesting_methods.size > 0 ? " (#{interesting_methods.join(",")})" : ""
            tv = text_value
            tv = "...#{tv[-20..-1]}" if tv.size > 20

            indent +
            self.class.to_s.sub(/.*:/,'') +
              em.map{|m| "+"+m.to_s.sub(/.*:/,'')}*"" +
              " offset=#{interval.first}" +
              ", #{tv.inspect}" +
              im +
              (elements && elements.size > 0 ?
                ":" +
                  (@elements||[]).map{|e|
              begin
                "\n"+e.inspect(indent+"  ")
              rescue  # Defend against inspect not taking a parameter
                "\n"+indent+" "+e.inspect
              end
                  }.join("") :
                ""
              )
          end