gx_default_composite_clist_read_update(gs_composite_t *pxcte, gx_device * cdev,
                gx_device * tdev, gs_gstate * pgs, gs_memory_t * mem)
{
    return 0;			/* Do nothing */
}
gx_default_composite_clist_read_update(gs_composite_t *pxcte, gx_device * cdev,
                gx_device * tdev, gs_gstate * pgs, gs_memory_t * mem)
{
    return 0;			 
}