+(defun case-table-get-table (case-table table)
+ "Return the TABLE of CASE-TABLE.
+TABLE can be `down', `up', `eqv' or `canon'."
+ (let ((slot-nb (cdr (assq table '((up . 0) (canon . 1) (eqv . 2))))))
+ (or (if (eq table 'down) case-table)
+ (char-table-extra-slot case-table slot-nb)
+ ;; Setup all extra slots of CASE-TABLE by temporarily selecting
+ ;; it as the standard case table.
+ (let ((old (standard-case-table)))
+ (unwind-protect
+ (progn
+ (set-standard-case-table case-table)
+ (char-table-extra-slot case-table slot-nb))
+ (or (eq case-table old)
+ (set-standard-case-table old)))))))
+