2.1.138 Part 1 Section 17.4.25, insideV (Table Cell Inside Vertical Edges Border)

For additional notes that apply to this portion of the standard, please see the notes for bar, §17.3.1.4(a-c); bdr, §17.3.2.4(a); left, §17.15.2.21(a).

a.   The standard states that if the table has cell spacing then inside vertical borders are displayed.

In Word, when a table has cell spacing the appearance of the insideV border is still subject to the conflict resolution algorithm defined by the tcBorders and tblBorders elements.