+@item nnimap-expunge
+\e$B$b$7\e(B @code{nil} \e$B$G$J$1$l$P!"5-;v$r>C5n$7$?8e$G$=$l$i$rL\O?$+$i:o=|$7$^$9!#\e(B
+\e$B$3$l$O%5!<%P!<$K\e(B UID EXPUNGE \e$B$N5!G=$,$"$l$P>o$K<B9T$5$l$^$9$,!"%G%#%U%)\e(B
+\e$B%k%H$G$O%5!<%P!<$K$=$N%3%^%s%I$,L5$1$l$P<B9T$7$^$;$s!#\e(B
+