IMAP \e$B%U%)%k%@$N%a%C%;!<%8$d\e(B NNTP \e$B%U%)%k%@$N%K%e!<%95-;v$rFI$`$3$H$,$G$-\e(B
\e$B$^$9!#\e(B
+\e$B1JB3E*%^!<%/$N$&$A!"\e(B@code{wl-summary-expire-reserve-marks} \e$B$G;XDj$5$l$?\e(B
+\e$B%^!<%/$NIU$$$?%a%C%;!<%8$O!"8e$G@bL@$9$k\e(B (Wanderlust \e$B$N5!G=$H$7$F$N\e(B)
+expire \e$B$NBP>]$+$i$O=|30$5$l$^$9!#\e(B@xref{Expire and Archive}
+
@subsection \e$B%a%C%;!<%8$NFI$_?J$a$+$?\e(B
\e$B4pK\E*$K%9%Z!<%9%-!<$r2!$9$@$1$GFI$_?J$a$k$3$H$,$G$-$^$9!#\e(B
cache. Messages with the marks other than these, you can read them in
the offline status even they are in the IMAP folder or netnews folder.
+Among messages with persistent marks, ones with marks specified by
+@code{wl-summary-expire-reserve-marks} are excluded from the expiration
+(as a function of wanderlust) explained later. @xref{Expire and Archive}
+
@subsection How To Read
Basically, you can read messages only typing space key again and again.