int set_state (const XMLNode&, int version);
XMLNode & get_state ();
+ void remove (SysExPtr sysex);
void operator() ();
void undo ();
typedef std::list<Change> ChangeList;
ChangeList _changes;
+ std::list<SysExPtr> _removed;
+
XMLNode & marshal_change (const Change &);
Change unmarshal_change (XMLNode *);
};