Java 8 RFR 6476168: (fmt) Inconsistency formatting subnormal doubles with hexadecimal conversion

[Brian Burkhalter]

Reviewers:

Issue   http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6476168
Webrev  http://cr.openjdk.java.net/~bpb/6476168/

Change is to clarify the javadoc specification such that the implementation is 
in sync.

Thanks,

Brian