wl-message-buffer-prefetch-idle-time,
wl-message-buffer-prefetch-depth \e$B$N%G%U%)%k%HCM$,JQ99$5$l$^$7$?!#\e(B
+** XEmacs without mule \e$B$G%3%s%Q%$%k$G$-$J$$LdBj$,=$@5$5$l$^$7$?!#\e(B
+
* 2.8.1 \e$B$+$i\e(B 2.10.0 \e$B$X$NJQ99E@\e(B
** \e$B%5%^%j9T$NI=<(7A<0$rJQ99$G$-$k$h$&$K$J$j$^$7$?!#\e(B