2.1.419 Part 1 Section 184.108.40.206, stylePaneFormatFilter (Suggested Filtering for List of Document Styles)
a. The standard states that the default value of this element is to have all settings defined turned off.
Word has the following settings turned on: visibleStyles, clearFormatting, headingStyles, and latentStyles.
b. The standard states the meaning for each setting.
Word does not support numberingStyles, tableStyles, or directformattingOnTables.
c. The standard specifies a set of attributes on this element.
Word reads the val attribute specified in "[ISO/IEC-29500-4] §220.127.116.11; Additional attribute for stylePaneFormatFilter element (Part 1, §18.104.22.168)" if, and only if, none of the attributes specified in this subsection are present.