http://cr.openjdk.java.net/~mchung/jdk9/webrevs/8181696/webrev.00/
This removes the reference to the package versioning link as the document [1] does not have too much value. It includes @implNote to clarify the packages in the system module that don’t have versioning information. Mandy [1] http://download.java.net/java/jdk9/docs/technotes/guides/versioning/spec/versioning2.html#wp90779
