1. < character > Synchronous idle .
2. A syntactic specification language for COPS .
["Metalanguages of the Compiler Production System COPS", J. Borowiec, in GI Fachgesprach "Compiler-Compiler", ed W. Henhapl, Tech Hochs Darmstadt 1978, pp. 122-159].
3. [TCP/IP SYN request?]
(1996-04-17)