Namespace Routing Language is a xml format created in 2003.
| #2562on PLDB | 23Years Old |
<rules xmlns="http://www.thaiopensource.com/validate/nrl">
<namespace ns="http://schemas.xmlsoap.org/soap/envelope/">
<validate schema="soap-envelope.xsd"/>
</namespace>
<namespace ns="http://www.w3.org/1999/xhtml">
<validate schema="xhtml.rng"/>
<validate schema="xhtml.sch"/>
</namespace>
</rules>