* lisp/gnus/gnus-group.el (gnus-group--read-bug-ids): Default to
current bug id on RET.
;; Pass DEF as the value of COLLECTION instead of DEF because:
;; a) null input should not cause DEF to be returned and
;; b) TAB and M-n still work this way.
- (completing-read-multiple "Bug IDs: " (and def (list (format "%s" def))))))
+ (or (completing-read-multiple
+ (format "Bug IDs%s: " (if def (format " (default %s)" def) ""))
+ (and def (list (format "%s" def))))
+ def)))
(defun gnus-read-ephemeral-bug-group (ids mbox-url &optional window-conf)
"Browse bug reports with IDS in an ephemeral group.