--- a/base/src/java/lang/String.d	Wed Apr 06 21:57:23 2011 +0200
+++ b/base/src/java/lang/String.d	Fri Apr 08 20:12:20 2011 +0900
@@ -158,8 +158,7 @@
         buf[0] = key;
         return tango.text.convert.Utf.toString( buf );
     } else { // Phobos
-        implMissing( __FILE__, __LINE__ );
-        return null;
+        return std.conv.to!(string)(key);
     }
 }
 
@@ -702,8 +701,7 @@
     version(Tango){
         return tango.text.Util.trim( str ).dup;
     } else { // Phobos
-        implMissing( __FILE__, __LINE__ );
-        return null;
+        return std.string.strip( str.idup );
     }
 }