take nil so as not to search parent by subject.
+2002-11-25 Yoichi NAKAYAMA <yoichi@eken.phys.nagoya-u.ac.jp>
+
+ * wl-vars.el (wl-summary-search-parent-by-subject-regexp): It can
+ take nil so as not to search parent by subject.
+
2002-11-13 Yuuichi Teranishi <teranisi@gohome.org>
* wl-util.el (wl-biff-check-folder): Call elmo-pop3-get-session
(defcustom wl-summary-search-parent-by-subject-regexp "^[ \t]*\\(\\[[^:]+[,: ][0-9]+\\]\\)?[ \t]*re[\\^[:> ]"
"*If message does not have in-reply-to field nor references field and
- subject matches this regexp, search parent message by subject matching."
- :type 'string
+subject matches this regexp, search parent message by subject matching.
+If nil, never search search parent by subject."
+ :type '(choice string
+ (const :tag "Don't search parent" nil))
:group 'wl-summary)
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