# list selected item's indices in world.item.other[]
=begin

devel/scanitemother
===================
List indices in ``world.item.other[]`` where current selected item appears.

=end
tg = df.item_find
raise 'select an item' if not tg

o = df.world.items.other
# discard ANY
o._indexenum::ENUM.sort.transpose[1][1..-1].each { |k|
    puts k if o[k].find { |i| i == tg }
}
