Final nestmates spec

[John Rose]

On Dec 14, 2017, at 6:50 PM, David Holmes <david.holmes at oracle.com> wrote:
> 
> If we encounter nestmate attributes in a classfile with a version that pre-dates the Nestmate release, do we ignore them completely (as an unknown attribute) or assume they are in fact our nestmate attributes?

I think we need to ignore them for down-rev class files.
That's what we do currently do for attributes like annotations
or generic signatures or bootstrap specifiers.