about CREATE EXTENSION error

hi postgreSql !
test_parser install is ok (postgresql 9.2.4)
but at (postgresql 9.5.0) failure？
why？the postgresql say:
CREATE EXTENSION zhparser
say:
ERROR: syntax error at or near ""
LINE 1: CREATE EXTENSION zhparser
^
********** 错误 **********
ERROR: syntax error at or near ""
SQL 状态: 42601
字符:1


CREATE EXTENSION test_parser FROM unpackaged
ERROR: function testprs_start(internal, integer) does not exist
********** 错误 **********
ERROR: function testprs_start(internal, integer) does not exist
SQL 状态: 42883

9.5.0 Not supported ?

postgress erro how debug it？

can help me?

cnpusr
2015-01-18