startling · February 19, 2013 05:00
diff --git a/diagram.tex b/diagram.tex
 \begin{diagram}
  \named{a}    \box     \box \\
  \box         \box     \named{b} \\
  \box         \box     \empty
 \end{diagram}
	\begin{diagram}
	\named{a} \box \box \\
	\box \box \named{b} \\
	\box \box \empty
	\end{diagram}