(do ((plist place (cddr plist)))
((null plist) default)
(cond ((atom (cdr plist))
- (error "~S is a malformed property list."
- place))
+ (error 'simple-type-error
+ :format-control "malformed property list: ~S."
+ :format-arguments (list place)
+ :datum (cdr plist)
+ :expected-type 'cons))
((eq (car plist) indicator)
(return (cadr plist))))))
(do ((plist place (cddr plist)))
((null plist) (values nil nil nil))
(cond ((atom (cdr plist))
- (error "~S is a malformed proprty list."
- place))
+ (error 'simple-type-error
+ :format-control "malformed property list: ~S."
+ :format-arguments (list place)
+ :datum (cdr plist)
+ :expected-type 'cons))
((memq (car plist) indicator-list)
(return (values (car plist) (cadr plist) plist))))))