Help Viewer: Allows information to be shown to the user inside Mozilla.
Computers and software are incredibly complex. Naturally, then, everyone needs a little help now and then, and getting that help to the user is critical to making applications useful. Consequently, the Mozilla platform provides a cross-platform help viewer along with a framework for providing built-in help documentation. Mozilla's help viewer makes providing documentation an easy job, and this document will describe how you can use it.