[DFDL-WG] review would be appreciated - revised DFDL spec with Errata and ISO-format issues fixed

On PR: https://github.com/OpenGridForum/DFDL/pull/80 Mike Beckerle Apache Daffodil PMC | daffodil.apache.org OGF DFDL Workgroup Co-Chair | www.ogf.org/ogf/doku.php/standards/dfdl/dfdl Owl Cyber Defense | www.owlcyberdefense.com