Close a tag with no text in lxml

Question

I am trying to output a XML file using Python and lxml

However, I notice one thing that if a tag has no text, it does not close itself. An example of this would be:<

Answer 1

Note that and mean exactly the same thing. What you want is for the test-tag to actually do have a text that consists in a single linebreak. However, an empty tag with no text is usually written as and it makes very little sense to insist on it to appear as .