Version 2.0.05.20170719 is available upstream. Please consider updating!
It seems that version 2.0.05.20170719 is available upstream, while the latest version in the Gentoo tree is 2.0.05_p20170719. You think this warning is false? Read more about it here.
The JavaHelp system is an online help system that developers can
use to add online help to their Java platform applications. The
JavaHelp system is both a JCP specification (JSR 97) and a reference
implementation of that specification. The JavaHelp system open source
project includes the source to the reference implementation.