In the grammar,
DefaultInitializerExpression:
AssignExpression
SpecialKeyword
The SpecialKeyword is redundant because it is present in PrimaryExpression.
PrimaryExpression:
(snip)
SpecialKeyword
Comment #1 by briancschott — 2014-09-24T00:46:46Z
If DefaultInitializerExpression consists only of AssignExpression, it should be removed from the grammar.