% \subsubsection{Graphs} % \DescribeMacro{\graph}{An embedded graph (in math mode).} % \begin{macrocode} %<*classXimera> \newcommand{\graph}[2][]{\text{Graph of $#2$}} % % \end{macrocode} % \begin{macrocode} %<*htXimera> \renewcommand{\graph}[2][]{\HCode{