Environment (Required on creation):

Tested on Camunda 7.14

Steps to reproduce (Required on creation):

Add an already formatted XML into a SPIN variable 

SpinXmlElement spinXml = Spin.XML(value);
execution.setVariable ("test", spinXml);

Let's assume value is the following XML: 

<test>
  <message>Camunda is awesome!</message>
</test>  

Then the value is either shown in the UI or is read by the java api using

execution.getVariable("test");

Observed Behavior (Required on creation):

The value is shown as:

<test>

  <message>Camunda is awesome!</message>

</test>  

Expected behavior (Required on creation):

<test>
  <message>Camunda is awesome!</message>
</test> 

Root Cause (Required on prioritization):

The XML is formatted again and any CR returns an empty line. When reading the XML and then inserting it again any blank line is even doubled. 

Solution Ideas (Optional):

Make DomXmlDataFormatWriter prettyPrint aware and strip empty lines. 

Hints (Optional):