line in the 'flag folder (you can control the behavior by
wl-highlight-summary-line-help-echo-alist).
+** Now you can put arbitrary user defined flag on message.
+ You can specify its flag by "F" in the summary mode.
+
** New mark, 'A' and '&' is added for answered messages.
Now answered messages have its own mark in the summary mode.
'A' is displayed for uncached messages and '&' is for cached messages.