80     public function isExpanded($recursive=true) {  argument
90 …              if ($arg instanceof TokenInstance || ($recursive && !$arg->isExpanded($recursive))) {
100     public function expand($elmDef, $recursive=true) {  argument
106             if ($this->isExpanded($recursive)) {
110             if ($recursive) {
112                     if ($arg instanceof ElementInstance && !$arg->isExpanded($recursive)) {
122     public function findUnexpandedToken($recursive=true) {  argument
128             if ($this->isExpanded($recursive)) {
134                 } elseif ($recursive) {
135                     $tok = $arg->findUnexpandedToken($recursive);
183     public function ensureWellFormed($recursive=true) {  argument
196             if ($recursive) {
199                         $arg->ensureWellFormed($recursive);