https://sourceforge.net/apps/mediawiki/niceproject/index.php?title=Creating_a_NiCE_XML_File_From_Schema has a preformatted section with XML in it, and it comes through overescaped:
<DataComponent description="" id="0" name="" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="schema1.xsd">
<Entry changeState="true" defaultValue="" description="" errorMessage="" id="0" name="" parent="" ready="true" secretFlag="true" tag="" value="">
<AllowedValueType>Discrete</AllowedValueType>
<allowedValues>allowedValues</allowedValues>
</Entry>
</DataComponent>