2.1.1852 Part 4 Section 19.3.2.6, wrap (Text Wrapping)

a.   The standard indicates that the default value for the anchorx and anchory attributes is page.

Office uses text as the default value for the anchorx and anchory attributes.

b.   The standard does not specify a default value for the type attribute.

Word will use a wrap type of none if one is not specified.