No diff available--this is the first major revision.
(minor diff)
RAF Rote Armee Fraktion
RAF Royal Air Force
RAID Redundant Array of Inexpencive Disks
RFC Request for Comments
RGW Rat für gegenseitige Wirtschaftshilfe, COMECON
RNA - acid
RNS Ribonukleinsäure
R.O.C. Republic of China, Taiwan?