I have done a fairly thorough analysis of the bit-order issue.

Bit order only matters when an element constructs a value from part of a byte, or spans bytes, with a partial byte somewhere on one end, the other, or both.

The attached spreadsheet walks through all the cases.

Mike Beckerle | OGF DFDL Workgroup Co-Chair | Tresys Technology | www.tresys.com

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