[9] RFR of 8073347: javadoc of Formattable messed up by JDK-8019857

[Brian Burkhalter]

Please review at your convenience.

Issue:  https://bugs.openjdk.java.net/browse/JDK-8073347
Patch:  http://cr.openjdk.java.net/~bpb/8073347/

Note the before and after versions of the HTML.

Thanks,

Brian