\e$B=i4|@_Dj$O\e(B 20\e$B!#\e(B
 @code{wl-stay-folder-window} \e$B$,\e(B non-nil \e$B$N$H$-$K;D$9%U%)%k%@%P%C%U%!$N%&%#%s%I%&$NI}$G$9!#\e(B
 
+@item wl-folder-use-frame
+@vindex wl-folder-use-frame
+\e$B=i4|@_Dj$O\e(B @code{nil}\e$B!#\e(B
+Non-nil \e$B$J$i%U%)%k%@0lMwMQ$K?7$7$$%U%l!<%`$r3+$-$^$9!#\e(B
+
 @item wl-folder-many-unsync-threshold
 @vindex wl-folder-many-unsync-threshold
 \e$B=i4|@_Dj$O\e(B 70\e$B!#\e(B
 \e$B=i4|@_Dj$O\e(B 80\e$B!#%5%^%j$NI=<(I}$r@_Dj$5$l$?CM$K@Z$j5M$a$^$9!#\e(B@code{nil} \e$B$J\e(B
 \e$B$iI=<(I}$r@Z$j5M$a$^$;$s!#\e(B
 
+@item wl-summary-use-frame
+@vindex wl-summary-use-frame
+\e$B=i4|@_Dj$O\e(B @code{nil}\e$B!#\e(B
+Non-nil \e$B$J$i%5%^%jI=<(MQ$K?7$7$$%U%l!<%`$r3+$-$^$9!#\e(B
+
 @item wl-use-folder-petname
 @vindex  wl-use-folder-petname
 \e$B=i4|@_Dj$O0J2<$N%j%9%H!#\e(B
 
 The initial setting is 20.
 Folder mode's window width when @code{wl-stay-folder-window} is non-nil.
 
+@item wl-folder-use-frame
+@vindex wl-folder-use-frame
+The initial setting is @code{nil}.
+If non-nil, use new frame for the folder window.
+
 @item wl-folder-many-unsync-threshold
 @vindex wl-folder-many-unsync-threshold
 The initial setting is 70.
 The initial setting is 80.
 Width of summary line. If @code{nil}, summary line's width is as is.
 
+@item wl-summary-use-frame
+@vindex wl-summary-use-frame
+The initial setting is @code{nil}.
+If non-nil, use new frame for the summary.
+
 @item wl-use-folder-petname
 @vindex  wl-use-folder-petname
 The initial setting is the list shown below: