Minor tweaks to case and attribute order to standardise.
<?xml version="1.0" encoding="UTF-8"?>
<SystemDefinition name="foundation" schema="2.0.1">
<systemModel>
<layer name="mw" long-name="Middleware" levels="generic specific">
<block name="helix" long-name="Helix" tech_domain="mm" level="generic" levels="plugin framework server generic specific">
<collection name="helix_ren" long-name="Helix" level="framework">
<component name="helixrfsplugin" long-name="Helix RFS Plugin" origin-model="foundation"/>
<component name="helix_binary" long-name="Helix Binary" origin-model="foundation"/>
<component name="src" long-name="Src" origin-model="foundation"/>
</collection>
</block>
</layer>
</systemModel>
</SystemDefinition>