[luatex] Reusable Code (LuaLaTeX + LuaMPlib)

[Troy Henderson]

Apologies, but I forgot to paste my code.  Here it is:

\documentclass{article}
\usepackage{luamplib}

\mplibtextextlabel{enable}
\mplibcodeinherit{enable}

\begin{document}
    \begin{center}
        \begin{mplibcode}
            picture p;
            beginfig(0);
                draw (-36,0)--(36,0);
                label.bot(textext("Hello"),origin);
                p:=currentpicture;
            endfig;
        \end{mplibcode}
    \end{center}

    \begin{center}
        \begin{mplibcode}
            beginfig(1);
                currentpicture:=p;
            endfig;
        \end{mplibcode}
    \end{center}

\end{document}
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