# File lib/xml/dom/core.rb, line 819
      def _matchNodeType?(node, ntype)
        case ntype
        when '#element'
          return (node.nodeType == ELEMENT_NODE)
        when '#pi'
          return (node.nodeType == PROCESSING_INSTRUCTION_NODE)
        when '#comment'
          return (node.nodeType == COMMENT_NODE)
        when '#text'
          return (node.nodeType == TEXT_NODE ||
                  node.nodeType == CDATA_SECTION_NODE)
        when '#cdata'
          return (node.nodeType == CDATA_SECTION_NODE)
        when '#all'
          case node.nodeType
          when ELEMENT_NODE, PROCESSING_INSTRUCTION_NODE, COMMENT_NODE,
              TEXT_NODE, CDATA_SECTION_NODE
            return true
          else
            return false
          end
        when /^#/
          raise "unknown node type: '#{ntype}'"
        when Spec::Name
          return (node.nodeType == ELEMENT_NODE && node.nodeName == ntype)
        else
          raise "invalid element type: '#{ntype}'"
        end
      end