Data Format Description Language (DFDL) v1.0 Specification
OGF Proposed Recommendation GFD-P-R.174, January 31, 2011
DFDL conformance can be claimed for schema documents and for processors
A schema document conforms to this specification if it conforms to the subset of XML Schema 1.0 defined in section 5.1 DFDL Subset of XML Schema and consists of components which individually and collectively satisfy all the relevant constraints specified in this document.
Conformance may be claimed separately for a DFDL parser, a DFDL unparser or a DFDL processor that parses and unparses.
A DFDL processor claiming conformance MUST identify the level of conformance and version specification claimed.
A minimal conforming DFDL processor conforms to this specification when it implements all the non-optional features defined in this document.
A extended conforming DFDL processor conforms to the specification when it implements all the non-optional features and some of the optional features defined in this document.
A fully conforming DFDL processor conforms to the specification when it implements all the features defined in this document.
See 21 Optional DFDL Features for the list of optional feature
It is the intention of the DFDL Work Group to provide a conformance test suit to help verify conformance with this specification..
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