# File lib/xtemplate/xml.rb, line 58
    def push_pi(target, pi)
      case target.downcase
      when "xtemplate"
        push_tag(nil)
        @root.pi = pi
        pop_node()
      else
        if( pi && pi.strip != "" )
          push_content("<?#{target} #{pi}?>")
        else
          push_content("<?#{target}?>")
        end
      end
    end