2.1.235 Part 1 Section 17.7.4.6, link (Linked Style Reference)

For additional notes that apply to this portion of the standard, please see the notes for numStyleLink, §17.9.21(a).

a.   The standard does not specify behavior when more than one style specifies the same styleId for a link.

Word ignores all but the last link to a given style.

b.   The standard does not specify behavior for a singly linked style pairing.

If Word reads a singly-linked style pairing, it makes the linking bi-directional.

c.   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.