On Thursday, 8 August 2013 at 15:17:40 UTC, Tofu Ninja wrote:
A formal grammar can be found here starting on page 202 but I
don't know enough about grammars to be able to interpret it.
http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
Im starting to become less sure if its a bug or not...
I don't recogise that exact BNF notation (single colon? New to
me.), but unless it's fairly...unique, it's still a bug according
to a strict reading. (I feel the RFC version is somewhat more
clear, honestly.)
-Wyatt
