#ifdef DEBUG
void item_collection_print_each (gpointer key, gpointer val, gpointer data)
{
GHashTable* item_set;
item_set = (GHashTable*) key;
#ifdef DEBUG
void item_collection_print_each (gpointer key, gpointer val, gpointer data)
{
GHashTable* item_set;
item_set = (GHashTable*) key;