# File rexml/doctype.rb, line 316
  def NotationDecl.pull source
			md = nil
			if source.match( PUBLIC )
				md = source.match( PUBLIC, true )
			elsif source.match( SYSTEM )
				md = source.match( SYSTEM, true )
			else
				raise ParseException.new( "error parsing notation: no matching pattern", src )
			end
			md[0].squeeze " \t\n\r"
		end