PLOP and PLOP DS 4.0
====================
Deprecated Function:

PLOP_open_document_mem(): use PLOP_create_pvf( ) and PLOP_open_document( ).


PLOP and PLOP DS 3.0
====================

PLOP Library
------------
Deprecated Functions:

PLOP_open_file(): use PLOP_open_document()
PLOP_open_callback(): use PLOP_open_document_callback()
PLOP_open_mem(): use PLOP_open_document_mem()
PLOP_close(): use PLOP_close_document()

PLOP_get_value(): use PLOP_pcos_get_numer()
PLOP_set_value(): was unused anyway
PLOP_get_parameter(): use PLOP_pcos_get_string()
PLOP_set_parameter(): use PLOP_set_option()


PLOP command-line tool
----------------------
The command-line option syntax has been changed. Command lines written
for PLOP 2 must be modified for PLOP 3. See the PLOP manual for details.
