`type kinds =`

1. `| Values`
2. `| Types`
3. `| Topics`
4. `| Modules`
5. `| Exns`
6. `| Modtypes`
7. `| Classes`
8. `| Methods`
9. `| Attributes`
10. `| Objtypes`

`val init : unit -> unit`

Proceed to initialization.

This function loads the primary help files and registers the toplevel directives.

If you integrate the on-line help system into your toplevel, you must call this function before any of the other functions of this module.

`val help : unit -> unit`

`help ()` opens the tutorial.

`val man : string -> unit`

`man "something"` opens the help about subject `"something"`.