On 01/10/2015 10:44, Joseph Wright wrote:
>        \ifx\documentclass\@undefined
>          \input ltluatex.sty
>        \else
>          \RequirePackage{ltluatex}
>        \fi

Small correction the support for plain TeX is in ltluatex.tex so the
above should be


       \ifx\documentclass\@undefined
         \input ltluatex
       \else
         \RequirePackage{ltluatex}
       \fi

David

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