Fix previous gnus-icalendar sanitization

* lisp/gnus/gnus-icalendar.el (gnus-icalendar-event-from-ical):
Fix previous change -- respect nil values passed in.

diff --git a/lisp/gnus/gnus-icalendar.el b/lisp/gnus/gnus-icalendar.el
index bc1bb83822303ae79eed754f93195c8f11bebbbc..389bce85e8b1b516ff3a742141e28f914f164e11 100644 (file)
--- a/lisp/gnus/gnus-icalendar.el
+++ b/lisp/gnus/gnus-icalendar.el
@@ -270,7 +270,7 @@
        (cl-loop for slot in (eieio-class-slots event-class)
                for keyword = (intern
                               (format ":%s" (eieio-slot-descriptor-name slot)))
-               when (plist-get args keyword)
+               when (plist-member args keyword)
                append (list keyword (plist-get args keyword)))))))
 
 (defun gnus-icalendar-event-from-buffer (buf &optional attendee-name-or-email)