2.1.289 Part 1 Section 17.9.24, pStyle (Paragraph Style's Associated Numbering Level)
For additional notes that apply to this portion of the standard, please see the notes for numStyleLink, §17.9.22(a) .
a. The standard does not limit the length of the value of the val attribute.
Word restricts the value of this attribute to be at most 253 characters.