2.1.1764 Part 4 Section 14.4.7, right (Table Cell Trailing Margin Default)
a. The standard specifies this additional element semantically equivalent to the end element ("[ISO/IEC-29500-1] §17.4.11; end").
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Word ignores this element if the end element ("[ISO/IEC-29500-1] §17.4.11; end") is present as a sibling.