Final touches for lookup by name.

sample-code/apps/TestApp/Test App 2/MyViewControllerViewController.xib

@@ -157,8 +157,11 @@
 						<bool key="IBUIClipsSubviews">YES</bool>
 						<int key="IBUIContentMode">7</int>
 						<bool key="IBUIUserInteractionEnabled">NO</bool>
+						<object class="IBUIAccessibilityConfiguration" key="IBUIAccessibilityConfiguration">
+							<string key="IBUIAccessibilityLabel">SumLabel</string>
+						</object>
 						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
-						<string key="IBUIText">Total</string>
+						<string key="IBUIText">???</string>
 						<object class="NSColor" key="IBUITextColor">
 							<int key="NSColorSpace">1</int>
 							<bytes key="NSRGB">MCAwIDAAA</bytes>
@@ -183,6 +186,7 @@
 						<string key="NSFrame">{{94, 208}, {113, 44}}</string>
 						<reference key="NSSuperview" ref="191373211"/>
 						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView"/>
 						<string key="NSReuseIdentifierKey">_NS:9</string>
 						<bool key="IBUIOpaque">NO</bool>
 						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>