#define COMMENT_KEY "Xmp.dc.description"
#define KEYWORD_KEY "Xmp.dc.subject"
#define ORIENTATION_KEY "Xmp.tiff.Orientation"
+#define RATING_KEY "Xmp.xmp.Rating"
void metadata_cache_free(FileData *fd);
void keyword_show_in(GtkTreeStore *keyword_tree, GtkTreeIter *iter, gpointer id);
gboolean keyword_is_hidden_in(GtkTreeModel *keyword_tree, GtkTreeIter *iter, gpointer id);
void keyword_show_all_in(GtkTreeStore *keyword_tree, gpointer id);
+void keyword_revert_hidden_in(GtkTreeStore *keyword_tree, gpointer id);
void keyword_hide_unset_in(GtkTreeStore *keyword_tree, gpointer id, GList *keywords);
void keyword_show_set_in(GtkTreeStore *keyword_tree, gpointer id, GList *keywords);