THESE UPDATE FILES ARE TO BOB TURKELSON'S VERSUON OF SRD IN THE [352,1] UIC ON THE FALL 81 RSX TAPE. THEY ARE SLP PATCHES TO BE MADE IN THE ORDER ALL THE .UPD, THEN THE .UP2, THEN THE .UP3, THEN THE .UP4 FILES. THESE GIVE AN SRD ALLOWING VARIOUS EXTRANEOUS PRINT TO BE SELECTED OR SUPPRESSED AS THE OLD SRD VERSIONS DID. THUS YOU CAN SUPPRESS ALL SRD OUTPUT (EXCEPT ERROR MESSAGES) IF YOU WISH NOW. ALL OTHER FEATURES ARE LEFT INTACT. GLENN EVERHART