first definition, and if any other symbol, add after that
symbol in the alist."
;; First remove any old instances.
- (gnus-pull (car definition) nndoc-type-alist)
+ (gnus-alist-pull (car definition) nndoc-type-alist)
;; Then enter the new definition in the proper place.
(cond
((or (null position) (eq position 'last))