* Yang parser is stricter (see cardinality below) which may break parsing of slack yang specs.

* YANG parser cardinality checked (only modules level yet)
  * See https://github.com/clicon/clixon/issues/48

test/test_nacm_ext.sh

@@ -37,6 +37,8 @@ EOF
 
 cat <<EOF > $fyang
 module $APPNAME{
+  yang-version 1.1;
+  namespace "urn:example:clixon";
   prefix ex;
   container authentication {
 	description "Example code for enabling www basic auth and some example