ABCL/R2 An , , language based on . ABCL/R2 was produced by , , , , at the in 1992. As a reflective language, an ABCL/R2 program can dynamically control its own behaviour, such as policy, from within a user-program. This system has almost all functions of and is written in . {(ftp://camille.is.s.u-tokyo.ac.jp/pub/abclr2/)} (1993-01-28)