Ensure expanded frame is properly traversed for @list.

jsonld.php

@@ -3300,13 +3300,13 @@ class JsonLdProcessor {
       if(property_exists($input, '@type')) {
         $type = $input->{'@type'};
         // rename @type blank node
-        if(strpos($type, '_:') === 0) {
-          $type = $input->{'@type'} = $namer->getName($type);
-        }
-        if(!property_exists($graphs->{$graph}, $type)) {
-          $graphs->{$graph}->{$type} = (object)array('@id' => $type);
+        if(strpos($type, '_:') === 0) {
+          $type = $input->{'@type'} = $namer->getName($type);
+        }
+        if(!property_exists($graphs->{$graph}, $type)) {
+          $graphs->{$graph}->{$type} = (object)array('@id' => $type);
         }
-      }
+      }
       if($list !== null) {
         $list[] = $input;
       }
@@ -3412,10 +3412,10 @@ class JsonLdProcessor {
       foreach($objects as $o) {
         if($property === '@type') {
           // rename @type blank nodes
-          $o = (strpos($o, '_:') === 0) ? $namer->getName($o) : $o;
-          if(!property_exists($graphs->{$graph}, $o)) {
-            $graphs->{$graph}->{$o} = (object)array('@id' => $o);
-          }
+          $o = (strpos($o, '_:') === 0) ? $namer->getName($o) : $o;
+          if(!property_exists($graphs->{$graph}, $o)) {
+            $graphs->{$graph}->{$o} = (object)array('@id' => $o);
+          }
         }
 
         // handle embedded subject or subject reference
@@ -3563,7 +3563,7 @@ class JsonLdProcessor {
                 // recurse into subject reference
                 if(self::_isSubjectReference($o)) {
                   $this->_matchFrame(
-                    $state, array($o->{'@id'}), $frame->{$prop},
+                    $state, array($o->{'@id'}), $frame->{$prop}[0]->{'@list'},
                     $list, '@list');
                 }
                 // include other values automatically