2.1.410 Part 1 Section, noPunctuationKerning (Never Kern Punctuation Characters)

a.   The standard states that the default value of this element is false.

Word uses a default equal to true when the primary editing language is Korean.

b.   The standard states here that when kerning is enabled, Latin text should be kerned. However, the kern element contains no such restriction.

Word kerns all characters when kerning is enabled.