"Producers editing relationships based on this version of the relationship markup specification shall not preserve any ignored content…" Explicitly required non-roundtrip behavior would break business process integration with application-defined data.

Require round-trip behavior.

Page 21, line 35f Part 2, section :8.3.5

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Proposed Disposition of DIS 29500 Comment DE-0155 (Modified: 2008-01-02) Agreed; the following change will be made to Part 2, §8.3.5, page 21, lines 35­37: Consumers shall process relationship markup in a manner that conforms to Part 5: “Markup Compatibility and Extensibility”. Producers editing relationships based on this version of the relationship markup specification shall not preserve any ignored content, regardless of the presence of any preservation attributes as defined in Part 5: “Markup Compatibility and Extensibility”. [M1.31]