2.1.214 Part 1 Section 17.6.7, left (Left 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 the id attribute specifies a relationship ID for a custom border image.

Word ignores the id attribute.