2.1.147 Part 4 Section 2.4.35, shd (Table Shading)
For additional notes that apply to this portion of the standard, please see the notes for shd, §2.4.33(a,d) .
a. The standard states that table shading is applied to cells in the table.
Word applies table shading only to the cell spacing of the table.
b. The standard specifies that the val attribute is both required and optional.
Word treats the val attribute as required.