?h        ．bytes・ if parent is a choice with dfdl:choiceKind ．explicit・;  

This should be:

 ?h        ．bytes・ if parent is a choice with dfdl:choiceLengthKind ．explicit・;  

Regards
 
Steve Hanson

IBM Hybrid Integration, Hursley, UK
Architect, IBM DFDL
Co-Chair, OGF DFDL Working Group
smh@uk.ibm.com
tel:+44-1962-815848
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Note: I work Tuesday to Friday
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