Just ran the cl-json test suite (patch to cl-json.asd that makes this easier will follow) and got seven failures: Failure Details: -------------------------------- DECODER-PERFORMANCE-WITH-SIMPLIFIED-CAMEL-CASE []: Unexpected Error: #<FILE-ERROR @ #x1001aa33c2> File #P"/Users/rpg/lisp/cl-json/t/allegro-8.1a-64bit-macosx-x86-64/pass1.json" does not exist... -------------------------------- -------------------------------- PASS-3 []: Unexpected Error: #<FILE-ERROR @ #x10013e37f2> File #P"/Users/rpg/lisp/cl-json/t/allegro-8.1a-64bit-macosx-x86-64/pass3.json" does not exist... -------------------------------- -------------------------------- PASS-1 []: Unexpected Error: #<FILE-ERROR @ #x10013dd8d2> File #P"/Users/rpg/lisp/cl-json/t/allegro-8.1a-64bit-macosx-x86-64/pass1.json" does not exist... -------------------------------- -------------------------------- DECODER-PERFORMANCE []: Unexpected Error: #<FILE-ERROR @ #x1001ad4162> File #P"/Users/rpg/lisp/cl-json/t/allegro-8.1a-64bit-macosx-x86-64/pass1.json" does not exist... -------------------------------- -------------------------------- PASS-2 []: Unexpected Error: #<FILE-ERROR @ #x100144c6f2> File #P"/Users/rpg/lisp/cl-json/t/allegro-8.1a-64bit-macosx-x86-64/pass2.json" does not exist... -------------------------------- -------------------------------- TEST*JSON-SYMBOLS-PACKAGE* []: Unexpected Error: #<SIMPLE-ERROR @ #x10014c2342> slot-definition did not receive a valid :name initarg.. -------------------------------- -------------------------------- JSON-BIND-IN-BIND-BUG []: RESULT2 evaluated to "(0 ((ID . pingId) (NAME . ping)) NIL (((NAME . tableTennisGroupName) (ID . tableTennisGroupId))))", which is not STRING= to "(0 NIL NIL (NIL))".. -------------------------------- Running on ACL 8.1, MacOSX. Best, R