- generic/nxdocIndex: An auto-generated, then edited NXDoc index file for the nsf API as defined in nsf.tcl. The index file created by the API generator is included. - library/nx/nxdocIndex: The NXDoc index file for the NX API (covering Tcl procs, NSF procs, objects, and classes). Please review for the current choice of inclusions/exclusions!