Registers one or more help books in the given bundle.
- macOS 10.6+
The bundle for additional help books. Books in the main bundle are automatically registered.
YES if registration is successful,
NO if if the bundle doesn't contain any help books or if registration fails.
register to register help books in, for example, a plug-in bundle. The
Info in the bundle should contain a help book directory path, which specifies one or more folders containing help books.