&backup_hierarchy($snarf_file_base, $number, $root, "infobase");
&backup_hierarchy($snarf_file_base, $number, $root, "documentation");
&backup_hierarchy($snarf_file_base, $number, $root, "examples");
+&backup_hierarchy($snarf_file_base, $number, $root, "experiments");
&backup_hierarchy($snarf_file_base, $number, $root, "feisty_inits");
&backup_hierarchy($snarf_file_base, $number, $root, "graphiq");
&backup_hierarchy($snarf_file_base, $number, $root, "huffware");