@table @code
@item wl-message-buffer-prefetch-folder-type-list
@vindex wl-message-buffer-prefetch-folder-type-list
-\e$B=i4|@_Dj$O\e(B @code{t}\e$B!#$3$N>l9g!"A4$F$N%U%)%k%@$G@hFI$_5!G=$,M-8z$K$J$j$^\e(B
-\e$B$9!#FCDj$N%U%)%k%@<oJL$N>l9g$K$@$1@hFI$_5!G=$rM-8z$K$7$?$$>l9g$K$O!"%U%)\e(B
-\e$B%k%@<oJL$N%j%9%H$r;XDj$7$^$9!#\e(B
-\e$BNc$($P0J2<$N$h$&$K@_Dj$7$^$9!#\e(B(NNTP \e$B%U%)%k%@$H\e(B IMAP \e$B%U%)%k%@$G$@$1@hFI$_\e(B
-\e$B$7$?$$>l9g\e(B)
-
-@lisp
-@group
-(setq wl-message-buffer-prefetch-folder-type-list
- '(nntp imap4))
-@end group
-@end lisp
-
-\e$B$3$N>l9g!"$b$7\e(B localdir \e$B$H\e(B IMAP \e$B%U%)%k%@$,:.:_$7$?%^%k%A%U%)%k%@$G$O\e(B
-IMAP \e$B$N%a%C%;!<%8$@$1$,@hFI$_$NBP>]$H$J$j$^$9!#$3$NJQ?t$O\e(B
-@code{wl-message-buffer-prefetch-folder-list} \e$B$h$j$bM%@h$5$l$^$9!#\e(B
+\e$B=i4|@_Dj$O\e(B @code{'(imap4 nntp)}\e$B!#@hFI$_5!G=$rM-8z$K$7$?$$%U%)%k%@%?%$%W\e(B
+\e$B$N%7%s%\%k%j%9%H$r;XDj$7$^$9!#=i4|@_Dj$G$O!"\e(BIMAP4 \e$B$H\e(BNNTP \e$B%U%)%k%@$G@hFI\e(B
+\e$B$_5!G=$,M-8z$K$J$j$^$9!#$b$7\e(B localdir \e$B$H\e(B IMAP \e$B%U%)%k%@$,:.:_$7$?%^%k%A%U%)\e(B
+\e$B%k%@$G$O\e(B IMAP \e$B$N%a%C%;!<%8$@$1$,@hFI$_$NBP>]$H$J$j$^$9!#$3$NJQ?t$O\e(B
+@code{wl-message-buffer-prefetch-folder-list} \e$B$h$j$bM%@h$5$l$^$9!#$9$Y$F\e(B
+\e$B$N%U%)%k%@$G@hFI$_5!G=$rM-8z$K$7$?$$>l9g$K$O!"\e(Bt \e$B$r;XDj$7$^$9!#\e(B
@item wl-message-buffer-prefetch-folder-list
@vindex wl-message-buffer-prefetch-folder-list
@item wl-message-buffer-prefetch-depth
@vindex wl-message-buffer-prefetch-depth
-\e$B=i4|@_Dj$O\e(B 3\e$B!#@hFI$_5!G=$9$k%a%C%;!<%8$N?t!#\e(B
+\e$B=i4|@_Dj$O\e(B 1\e$B!#@hFI$_5!G=$9$k%a%C%;!<%8$N?t!#\e(B
@item wl-message-buffer-prefetch-idle-time
@vindex wl-message-buffer-prefetch-idle-time
-\e$B=i4|@_Dj$O\e(B 0.2 (\e$BC10L\e(B:\e$BIC\e(B)\e$B!#@hFI$_5!G=$9$k;~4V4V3V!#\e(B
+\e$B=i4|@_Dj$O\e(B 1 (\e$BC10L\e(B:\e$BIC\e(B)\e$B!#@hFI$_5!G=$9$k;~4V4V3V!#\e(B
@item wl-message-buffer-prefetch-threshold
@vindex wl-message-buffer-prefetch-threshold
@table @code
@item wl-message-buffer-prefetch-folder-type-list
@vindex wl-message-buffer-prefetch-folder-type-list
-The initial setting is @code{t}. In this case, prefetch messages in all
-folders.
-If it is a list of folder types, it specifies the folder types in which
-message prefetching is enabled.
-Following is an example (prefetch messages in nntp and imap4 folders)
-
-@lisp
-@group
-(setq wl-message-buffer-prefetch-folder-type-list
- '(nntp imap4))
-@end group
-@end lisp
-
-In this case, multi folder that contains localdir and imap4 prefetches
-only imap4 messages. This variable precedes the value of
+The initial setting is @code{'(imap4 nntp)}. If it is a list of folder
+types, it specifies the folder types in which message prefetching is
+enabled. In initial setting, messages are prefetch only in the nntp and
+imap4 folders. In this case, multi folder that contains localdir and
+imap4 prefetches only imap4 messages. This variable precedes the value of
@code{wl-message-buffer-prefetch-folder-list}.
+To prefetch messages in all folder types, specify @code{t}.
@item wl-message-buffer-prefetch-folder-list
@vindex wl-message-buffer-prefetch-folder-list
@item wl-message-buffer-prefetch-depth
@vindex wl-message-buffer-prefetch-depth
-The initial setting is 3. The number of messages for automatical prefetch.
+The initial setting is 1. The number of messages for automatical prefetch.
@item wl-message-buffer-prefetch-idle-time
@vindex wl-message-buffer-prefetch-idle-time
-The initial setting is 0.2 (in seconds). The period of automatical prefetch.
+The initial setting is 1 (in seconds). The period of automatical prefetch.
@item wl-message-buffer-prefetch-threshold
@vindex wl-message-buffer-prefetch-threshold