public void actionPerformed(ActionEvent e) {
// Determine which entity was selected for the create instance action.
super.actionPerformed(e);
NamedObj actor = getTarget();
StringBuffer moml = new StringBuffer("<group>");
HashSet<NamedObj> visited = new HashSet<NamedObj>();
_addHighlights(actor, moml, visited, _forward, _clear);
moml.append("</group>");
actor.requestChange(new MoMLChangeRequest(this, actor
.getContainer(), moml.toString()));
}