1. Preliminary version in use since 7-August-1986
2. Special features: TEST command not yet fully debugged, consult
HELP TEST; WAIT_ERASE is an integer; specify a negative value for RXY to
disable the packing of Tektro bytes; 12 bit adresses in the Tektro GIN
cursor sequence are not supported...
3. In project: more TEST facilities, selection of default plotter con-
figurations and procedures, HP-GL and GKS protocols, ...