2.1.239 Part 4 Section 18.104.22.168, personalReply (E-Mail Message Reply Style)
a. The standard states that the values 0 and false on the val attribute are equivalent to the value off.
Word treats these values on this attribute as equivalent to the value on.
This note applies to the following products: 2007, 2007 SP1.
b. The standard says personalReply is ignored if no style exists whose styleId matches the boolean val attribute.
Word treats the val attribute of personalReply as a boolean setting.