PNML Document Checker is a free tool to check the conformance of your Petri Net Markup Language Documents with the ISO/IEC 15909-2 standard.
'fr.lip6.pnml:validation.releng:1.2.0'
<dependency>
<groupId>fr.lip6.pnml</groupId>
<artifactId>validation.releng</artifactId>
<version>1.2.0</version>
</dependency>
<dependency org="fr.lip6.pnml" name="validation.releng" rev="1.2.0"/>
"fr.lip6.pnml", "validation.releng", "1.2.0"