\environment luametatex-style

\startcomponent luametatex-registers

\startchapter[title=Topics]

    \placeregister[topicindex]

\stopchapter

\startchapter[title=Primitives]

    This register contains the primitives that are mentioned in the manual. There
    are of course many more primitives. The \LUATEX\ primitives are typeset in
    bold.

    \placeregister[primitiveindex][indicator=no]

\stopchapter

\startchapter[title=Callbacks]

    \placeregister[callbackindex]

\stopchapter

\startchapter[title=Nodes]

    This register contains the nodes that are known to \LUATEX. The primary nodes
    are in bold, whatsits that are determined by their subtype are normal.

    \placeregister[nodeindex]

\stopchapter

\startchapter[title=Libraries]

    This register contains the functions available in libraries. Not all functions
    are documented, for instance because they can be experimental or obsolete.

    \placeregister[libraryindex]

\stopchapter

\stopcomponent
