R3.99rs
R4RS without the macros.
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- R3rs
A revision of R2RS, revised in R4RS. [“The Revised^3 Report on the Algorithmic Language Scheme”, J. Rees et al, SIGPLAN Notices 21(12):37-79 (Dec 1986)].
- R4rs
A revision of R3RS, revised in R3.99RS. (ftp://altdorf.ai.mit.edu/). [“The Revised^4 Report on the Algorithmic Language Scheme”, W. Clinger et al, MIT (Nov 1991)]. (1994-10-28) [Later revisions?]
- Ra
[rah] /rɑ/ noun, Egyptian Religion. 1. a sun god of Heliopolis, a universal creator worshiped throughout Egypt (typically represented as a hawk-headed man bearing on his head the solar disk and the uraeus). Symbol, Chemistry. 1. . 1. regular army. [rah] /rɑ/ noun 1. the 10th letter of the Arabic alphabet. 1. rear admiral. 2. […]
- R.A.
1. rear admiral. 2. Astronomy. right ascension. 3. royal academician. 4. Royal Academy. Royal Academy
- Raab
[rahb] /rɑb/ noun 1. . [rab] /ræb/ noun 1. Julius, 1891–1964, Austrian engineer and statesman: chancellor of Austria 1953–61.