SETL with more conventional Ada -like syntax, lexical scope , full block structure, first-class function s and a package and library system. Ported to OS/2 , MS-DOS (3.1 up), Extended MS-DOS (80286 and higher processors with extended memory), Macintosh (with the MPW environment), Sun-3 (SunOS 4), Sun-4 (SunOS 4), IBM RS/6000 (AIX 3.1), DEC RISC product line (Ultrix 4.0), DEC Vaxen (Mt. Xinu Unix or VMS).
ftp://cs.nyu.edu/pub/languages/setl2 . Please e-mail Kirk Snyder snyder@spunky.cs.nyu.edu if you take a copy.
["The SETL2 Programming Language", W. Kirk Snyder, Courant Inst TR 490, Jan 1990].