TODO.

doc/manual.tex

@@ -1428,6 +1428,7 @@ fringe?
 \caption{A textual version of the tree in \fref{fig:xreducing:tree}}
 \label{fig:xreducing:text}
 \end{figure}
+% TEMPORARY the HTML rendering of this figure isn't good
 
 First, note that \nt{opt\_type\_exprs} is \emph{not} a leaf node, even though
 it has no children. The grammar contains the production $\nt{opt\_type\_exprs}