[erlang-questions] ct_netconfc.erl: is this the expected behavior or is it a bug?

[Alexander Poulikakos]

> So in this example, it doesn't matter where you define your "xc"
> prefix; you can put in on any element above the element where it is used, e.g., any of <elementC>, <elementB>, <ElementA>, <config>, <edit-config>, or <rpc>.
  
How can I define the "xc" prefix on the <config> element with ct_netconfc:edit_config/3 function?