Spec draft for JEP 301 Enhanced Enums

[Dan Smith]

Hello, all. Please see the following spec draft for JEP 301 Enhanced Enums.

http://cr.openjdk.java.net/~dlsmith/enhanced-enums.html

Here's the JEP description, for context:

http://openjdk.java.net/jeps/301

This feature is fairly straightforward, with some care necessary to ensure proper compatibility behavior.

Thanks,
Dan