Fix xml_set_default_handler return values section out-of-order

Author: thinkverse

reference/xml/functions/xml-set-default-handler.xml

@@ -85,6 +85,13 @@
   </para>
  </refsect1>
 
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <para>
+   &return.success;
+  </para>
+ </refsect1>
+
  <refsect1 role="changelog">
   &reftitle.changelog;
   <informaltable>
@@ -102,13 +109,6 @@
   </informaltable>
  </refsect1>
 
- <refsect1 role="returnvalues">
-  &reftitle.returnvalues;
-  <para>
-   &return.success;
-  </para>
- </refsect1>
-
 </refentry>
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