This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21
Core Issues List revision 109b.
See http://www.open-std.org/jtc1/sc22/wg21/ for the official
Syntactic ambiguity of the attribute notation
Section: 9.12.1 [dcl.attr.grammar]
Submitter: Daveed Vandevoorde
Date: 23 September, 2009
[Voted into WP at March, 2010 meeting as document N3063.]
The [[ ... ]] notation for attributes was thought to be
completely unambiguous. However, it turns out that two [
characters can be adjacent and not be an attribute-introducer: the
first could be the beginning of an array bound or subscript operator
and the second could be the beginning of a lambda-introducer.
This needs to be explored and addressed.
(See also issue 951.)
Proposed resolution (November, 2009):
Add the following paragraph at the end of 9.3.3 [dcl.ambig.res]: