ed.
When -data_structure is used, the program displays a data structure suitable for encoding in JSON.
When not used (and -copy is not used), the program pretty-prints the menu. This is the default
s.
=head1 Method: build_structure($root)
Returns a Perl data structure which can be turned into JSON.
The -data_structure option to scripts/tree.pl gives you access to this feature.
=head1 Method: