2.1.247 Part 1 Section 188.8.131.52, rPr (Table Style Conditional Formatting Run Properties)
For additional notes that apply to this portion of the standard, please see the notes for rPr, §184.108.40.206(a).
a. The standard states that the cs, highlight, oMath, rPrChange, rStyle, and rtl elements are valid child elements of the rPr element.
Word does not allow these elements to be child elements of the rPr element.