/flag:digest/%inbox
+** In the multi-folder, status of messages are synchronized with original
+ folder.
+ For example, unread status of '+inbox' is updated to '*+inbox,+outbox'.
+
** The temporary mark and corresponding action is now customizable.
By default, follwoing mark-and-actions are defined.
\e$B%a%C%;!<%8$N$_$,=P8=$7$^$9!#\e(B
/flag:digest/%inbox
+** \e$B%^%k%A%U%)%k%@$H%*%j%8%J%k%U%)%k%@$N>uBV$,F14|$5$l$k$h$&$K$J$j$^$7$?!#\e(B
+ \e$BNc$($P!$\e(B+inbox \e$B$NL$FI>pJs$,!$\e(B*+inbox,+outbox \e$B$K$bH?1G$5$l$^$9!#\e(B
+
** \e$B0l;~%^!<%/$H!"$=$l$KBP$9$k%"%/%7%g%s$r<+M3$KDj5A$G$-$k$h$&$K$J$j$^$7$?!#\e(B
\e$B%G%U%)%k%H$G$O0J2<$N%^!<%/$H%"%/%7%g%s$rDj5A$7$F$$$^$9!#\e(B