- return me->has_extent_callback_b (group_extent_callback_proc, a) ||
- (me->has_extent_callback_b (Hara_kiri_group_spanner::y_extent_proc, a));
+ return me->has_extent_callback (group_extent_callback_proc, a) ||
+ (me->has_extent_callback (Hara_kiri_group_spanner::y_extent_proc, a));