** \e$B?75,%*%W%7%g%s\e(B elmo-imap4-set-seen-flag-explicitly \e$B$,DI2C$5$l$^$7$?!#\e(B
** pipe \e$B$G$N%3%T!<$G?75,%a%C%;!<%8$,<h$j9~$a$J$/$J$k%P%0$,=$@5$5$l$^$7$?!#\e(B
** \e$B?75,%*%W%7%g%s\e(B elmo-imap4-set-seen-flag-explicitly \e$B$,DI2C$5$l$^$7$?!#\e(B
** pipe \e$B$G$N%3%T!<$G?75,%a%C%;!<%8$,<h$j9~$a$J$/$J$k%P%0$,=$@5$5$l$^$7$?!#\e(B