Fix Bug when Convert Xml and Xml dont have namespace and one of children have namespace

Src/Newtonsoft.Json.Tests/Converters/XmlNodeConverterTest.cs

@@ -43,6 +43,7 @@ using Newtonsoft.Json.Utilities;
 using Newtonsoft.Json.Linq;
 #if !NET20
 using System.Xml.Linq;
+using System.Diagnostics;
 
 #endif
 
@@ -1909,7 +1910,27 @@ namespace Newtonsoft.Json.Tests.Converters
             Assert.AreEqual(xml.notNull.ToString(), w2.notNull.ToString());
         }
 #endif
+
+        [Test]
+        public void SerializeAndDeserializeXmlWithNamespaceInChildrenRootDontHaveNameSpace()
+        {
+            var xmlString = @"<root>
+                              <b xmlns='http://www.example.com/ns'>Asd</b>
+                              <c>AAA</c>
+                              <test>adad</test>
+                              </root>";
+
+            var xml = XElement.Parse(xmlString);
+
+            var json1 = JsonConvert.SerializeXNode(xml);
+            var xmlBack = JsonConvert.DeserializeObject<XElement>(json1);
+
+            var equals = XElement.DeepEquals(xmlBack, xml);
+            Assert.IsTrue(equals);
+        }
     }
 }
 
-#endif
+#endif
+
+

Src/Newtonsoft.Json/Converters/XmlNodeConverter.cs

@@ -1232,10 +1232,9 @@ namespace Newtonsoft.Json.Converters
                     if (reader.TokenType != JsonToken.EndObject)
                     {
                         manager.PushScope();
-
                         DeserializeNode(reader, document, manager, element);
-
                         manager.PopScope();
+                        manager.RemoveNamespace(string.Empty, manager.DefaultNamespace);
                     }
                 }
             }
@@ -1394,6 +1393,7 @@ namespace Newtonsoft.Json.Converters
                             }
                             else
                             {
+                               
                                 finishedAttributes = true;
                             }