lib/metanorma/iso/isostandard-compile.rng
<?xml version="1.0" encoding="UTF-8"?>
<grammar ns="https://www.metanorma.org/ns/iso" xmlns="http://relaxng.org/ns/structure/1.0">
<!-- default namespace isostandard = "https://www.metanorma.com/ns/iso" -->
<include href="relaton-iso.rng"/>
<include href="isostandard.rng"/>
</grammar>
<!-- end overrides -->