Submitted by: Reuben Thomas <rrt@dcs.gla.ac.uk>
The part surrounded by @samp{@var{group name}@{} and @samp{@}} will
become one folder group. One folder group is treated as a directory
-which can bed opened and closed in folder mode. It is convenient for
+which can be opened and closed in folder mode. It is convenient for
collecting some folders and putting them in order.
Please note that @samp{@var{group name}@{} and @samp{@}} occupies one