Modifying the function test 'test_read_xyz_internal1()'.
This is Han's patch https://gna.org/task/download.php?file_id=13147 attached to the task http://gna.org/task/?7404.
In the 'test_read_xyz_internal1()' option parser='internal' has been removed.
Authored by: bugman 2011-06-10
Parent: [r12952]
Child: [r12954]
