2.1.1712 Part 1 Section 22.1.3.1, ST_BreakBin (Break Binary Operators)

a.   The standard says that after means the operator appears after the break and before means the operator appears before the break.

In Word, after means the break occurs after the operator (the binary operator appears before the break) and before means the break occurs before the operator (the binary operator appears after the break).