* 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

lib/src/clixon_yang_parse.l

@@ -112,6 +112,7 @@ clixon_yang_parsewrap(void)
 
  /* RFC 6020 keywords */
 <KEYWORD>action           { BEGIN(ARGUMENT); return K_ACTION; }
+<KEYWORD>anydata          { BEGIN(ARGUMENT); return K_ANYDATA; }
 <KEYWORD>anyxml           { BEGIN(ARGUMENT); return K_ANYXML; }
 <KEYWORD>argument         { BEGIN(ARGUMENT); return K_ARGUMENT; }
 <KEYWORD>augment          { BEGIN(ARGUMENT); return K_AUGMENT; }