new (REXML::NotationDecl)

    # File rexml/doctype.rb, line 290
      def initialize src
    			super()
    			if src.match( PUBLIC )
    				md = src.match( PUBLIC, true )
    			elsif src.match( SYSTEM )
    				md = src.match( SYSTEM, true )
    			else
    				raise ParseException.new( "error parsing notation: no matching pattern", src )
    			end
    			@name = md[1]
    			@middle = md[2]
    			@rest = md[3]
    		end