Allow null date in gnus-icalendar-event--decode-datefield

* lisp/gnus/gnus-icalendar.el:
(gnus-icalendar-event--decode-datefield): Don't throw an error if the
event date is missing.

diff --git a/lisp/gnus/gnus-icalendar.el b/lisp/gnus/gnus-icalendar.el
index 0d776cd1bcaf2aec97241cf16bdddaf53c635986..adbc39547ff1172c1ba7f15ef3528a00c94f7e77 100644 (file)
--- a/lisp/gnus/gnus-icalendar.el
+++ b/lisp/gnus/gnus-icalendar.el
@@ -165,7 +165,7 @@
                        (icalendar--get-event-property-attributes
                         event field) zone-map))
          (dtdate-dec (icalendar--decode-isodatetime dtdate nil dtdate-zone)))
-    (encode-time dtdate-dec)))
+    (when dtdate-dec (encode-time dtdate-dec))))
 
 (defun gnus-icalendar-event--find-attendee (ical name-or-email)
   (let* ((event (car (icalendar--all-events ical)))