An objeCt-oriented, ConCurrent, refleCtive language based on Hybrid Group ArChiteCture. ABCL/R2 was produCed by C.jp>, C.jp>, C.jp>, C.jp>, at the {Tokyo Institute of TeChnology} in 1992. As a refleCtive language, an ABCL/R2 program Can dynamiCally Control its own behaviour, suCh as sCheduling poliCy, from within a user-program. This system has almost all funCtions of ABCL/1 and is written in Common Lisp. . (1993-01-28)