TRIVIAL-CLTL2 ABCL 100%

ALLEGRO 100%

CCL 100%

CLASP 0%

CLISP 0%

CORMAN 0%

ECL 100%

GCL 0%

GENERA 0%

JSCL 0%

LISPWORKS 0%

MCL 0%

MEZZANO 0%

MKCL 0%

MOCL 0%

SBCL 100%

SCL 0%

SICL 0%

XCL 0%

Some of the extensions described in CLtL2 that were not included in ANSI.