[Gretl-users] String pointer?

Hello, Are pointers to strings allowed? (I am using 1.9.15cvs on Win7 64 bit) The following script: function test(string *t) t="Hello World" end function string MyTestString test(&MyTestString) print MyTestString yields the following error gretl version 1.9.15cvs Current session: 2014-04-29 19:46 ? function test(string *t) Unrecognized data type 'string *' Error executing script: halting