[boost] [regex, C++ Committee Meeting] any progress on lwg issue #523?

Was library issue 523: "regex case-insensitive character ranges are unimplementable as specified" discussed at the committee meeting? http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-active.html#523 -- Eric Niebler Boost Consulting www.boost-consulting.com