(CASE% SENSITIVITY NIL Case% sensitivity NIL ("2") 1) (READ-EVAL-PRINT% LOOP NIL Read-eval-print% loop NIL ("2") 1) (PROGRAMMER'S% ASSISTANT NIL Programmer's% assistant NIL ("2") 1) (FIX (Command) NIL NIL ("2") 1) (REDO (Command) NIL NIL ("2") 1) (UNDO (Command) NIL NIL ("2") 1)