I have added a working document to https://redmine.ogf.org/dmsf/dfdl-wg?folder_id=5485. It is the 4th DFDL experience document and provides a consolidated list of errata against GFD.207. It is derived from the issue trackers on Redmine at https://redmine.ogf.org/projects/dfdl-wg/issues. Regards Steve Hanson Architect, IBM DFDL Co-Chair, OGF DFDL Working Group IBM SWG, Hursley, UK smh@uk.ibm.com tel:+44-1962-815848 Unless stated otherwise above: IBM United Kingdom Limited - Registered in England and Wales with number 741598. Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU