* gnus-sum.el (gnus-summary-exit-no-update): Really deaden the summary
buffer if `gnus-kill-summary-on-exit' is nil.
+2012-02-06 Katsumi Yamaoka <yamaoka@jpl.org>
+
+ * gnus-sum.el (gnus-summary-show-thread):
+ next-single-char-property-change may return nil in XEmacs.
+
2012-02-06 Lars Ingebrigtsen <larsi@gnus.org>
* gnus-sum.el (gnus-handle-ephemeral-exit): Allow exiting from Gnus