-void change_date_add_note(Gom_ctxt ctxt, struct note_sub* note)
-{
- struct change_date *chan = SAFE_CTXT_CAST(change_date, ctxt);
- if (chan)
- LINK_CHAIN_ELT(note_sub, chan->note, note);
-}
-
-void change_date_add_user_data(Gom_ctxt ctxt, struct user_data* data)
-{
- struct change_date *obj = SAFE_CTXT_CAST(change_date, ctxt);
- if (obj)
- LINK_CHAIN_ELT(user_data, obj->extra, data);
-}
-
-void change_date_cleanup(struct change_date *chan)