8178109: More useful documentation on /help
Summary: For /help <command/subject>, show the help for the command/subject directly.
Reviewed-by: rfield
Welcome to OpenJDK!
===================
For information about building OpenJDK, including how to fully retrieve all
source code, please see either of these:
* doc/building.html (html version)
* doc/building.md (markdown version)
See http://openjdk.java.net/ for more information about OpenJDK.