(error "COMMAND-OUTPUT not implemented for this Lisp")
))
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (when (char= #\a (schar (symbol-name '#:a) 0))
+ (pushnew :lowercase-reader *features*)))
+
+(defun string-default-case (str)
+ #-lowercase-reader
+ (string-upcase str)
+ #+lowercase-reader
+ (string-downcase str))
+
+;; From KMRCL
+(defun ensure-keyword (name)
+ "Returns keyword for a name"
+ (etypecase name
+ (keyword name)
+ (string (nth-value 0 (intern (string-default-case name) :keyword)))
+ (symbol (nth-value 0 (intern (symbol-name name) :keyword)))))
+
+;; From KMRCL
+(defmacro in (obj &rest choices)
+ (let ((insym (gensym)))
+ `(let ((,insym ,obj))
+ (or ,@(mapcar #'(lambda (c) `(eql ,insym ,c))
+ choices)))))