match (REXML::IOSource)

    # File rexml/source.rb, line 213
      def match pattern, consume=false
    			rv = super
    			while !rv and @source
    				begin
    					#str = @source.read(@block_size)
    					str = @source.readline('>')
    					str = encode(str) if str and @to_utf
    					@buffer << str
    					rv = super
    				rescue
    					@source = nil
    				end
    			end
    			rv.taint
    			rv
    		end