This repositiory is a XML library for CDS-supported xmls. If you have roblox, then you want to apply this to your work.
CDSReference
<?xml version='1.0'?>
<!DOCTYPE cdsref PUBLIC '' 'https://secondluke242014.github.io/cds_xml/dtd/CDSReference[version].dtd'>
CDList
<?xml version="1.0">
<cdlist xmlns="https://secondluke242014.github.io/cds_xml/schemas/cdlist-1.0.xsd">
<!-- go to documentation -->
</cdlist>