- (let ((c2 candidates)
- (annos 'unk))
- (while c2
- (setcdr c2
- (let ((str (pop c2)))
- (while (let ((str2 (car c2)))
- (if (not (equal str str2))
- (progn
- (setq annos 'unk)
- nil)
- (when (eq annos 'unk)
- (setq annos (list (company-call-backend
- 'annotation str))))
- (let ((anno2 (company-call-backend
- 'annotation str2)))
- (if (member anno2 annos)
- t
- (push anno2 annos)
- nil))))
- (pop c2))
- c2)))))
+ (let* ((annos 'unk)
+ (str (car candidates))
+ (ref (cdr candidates))
+ res str2 anno2)
+ (while ref
+ (setq str2 (pop ref))
+ (if (not (equal str str2))
+ (progn
+ (push str res)
+ (setq str str2)
+ (setq annos 'unk))
+ (setq anno2 (company-call-backend
+ 'annotation str2))
+ (cond
+ ((null anno2)) ; Skip it.
+ ((when (eq annos 'unk)
+ (let ((ann1 (company-call-backend 'annotation str)))
+ (if (null ann1)
+ ;; No annotation on the earlier element, drop it.
+ t
+ (setq annos (list ann1))
+ nil)))
+ (setq annos (list anno2))
+ (setq str str2))
+ ((member anno2 annos)) ; Also skip.
+ (t
+ (push anno2 annos)
+ (push str res) ; Maintain ordering.
+ (setq str str2)))))
+ (when str (push str res))
+ (nreverse res)))