% pandoc -f latex -t native
\newcommand{\inclgraph}{\includegraphics[width=0.8\textwidth]}
\begin{figure}[ht]
  \inclgraph{setminus.png}
  \caption{Set subtraction}
  \label{fig:setminus}
\end{figure}
^D
[Para [Image ("",[],[("width","80%")]) [Str "Set",Space,Str "subtraction",Span ("",[],[("label","fig:setminus")]) []] ("setminus.png","fig:")]]