% Having just tried to do some simple things, I've found that there are maths
% symbols missing. Here they are, in all their glory:
% \begin{center} \unverb\| \begin{tabular}{cl|cl|cl}
% Having just tried to do some simple things, I've found that there are maths
% symbols missing. Here they are, in all their glory:
% \begin{center} \unverb\| \begin{tabular}{cl|cl|cl}