ALGOL 68-R
<language> A restriction of
ALGOL 68 permitting one-pass compilation, developed at the Royal Signals Radar Establishment, Malvern, Worcester, UK in April 1970.
Identifiers, modes and operators must be declared before use.
There is no automatic proceduring and no
concurrency.
It was implemented in
ALGOL 60 under
GEORGE 3 on an ICL 1907F.
["ALGOL 68-R, Its Implementation and Use", I.F. Currie et al, Proc IFIP Congress 1971, N-H 1971, pp. 360-363].