Merge branch '4.4' into 5.0

* 4.4:
  Update serializer.rst

Author: javiereguiluz

components/serializer.rst

@@ -1183,9 +1183,7 @@ Use the special ``#`` key to define the data of a node::
     // is encoded as follows:
     // <?xml version="1.0"?>
     // <response>
-    //     <foo bar="value">
-    //        baz
-    //     </foo>
+    //     <foo bar="value">baz</foo>
     // </response>
 
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