\hline
\endhead
'"$(
-list_attendance "$course" |sort -k 2 | debug |sed -r 's:^[0-9a-z\.]+ (.+) \(\*[0-9]{4}\)$:\1:;s:$: \& \& \& \& \& \& \& \& \& \& \\\\[3ex] \\hline:'
+tex_clean "$(list_attendance "$course")" |sort -k 2 | debug |sed -r 's:^[0-9a-z\.]+ (.+) \(\*[0-9]{4}\)$:\1:;s:$: \& \& \& \& \& \& \& \& \& \& \\\\[3ex] \\hline:'
)"'
\end{longtable}