(defknown readtablep (t) boolean (movable foldable flushable))
(defknown set-syntax-from-char
- (character character &optional (or readtable null) readtable) (eql t)
+ (character character &optional readtable (or readtable null)) (eql t)
())
(defknown set-macro-character (character callable &optional t readtable)