https://bugs.openjdk.java.net/browse/JDK-8091730 http://cr.openjdk.java.net/~kcr/8091730/webrev.00/
This will allow to catch doc warnings early before delivering them to the JDK 9 build, and will allow the unified JDK javadoc build to use -Xdoclint for javafx.* modules.
-- Kevin