Binary file cws/cw02.pdf has changed

--- a/cws/cw02.tex	Thu Oct 26 14:30:20 2023 +0100
+++ b/cws/cw02.tex	Sat Oct 28 21:00:11 2023 +0100
@@ -97,7 +97,7 @@
 with leading zeroes, such as \pcode{001}
 \item strings are enclosed by double quotes, like \texttt{"\ldots"}, and consisting of
   symbols, digits, parentheses, whitespaces and \texttt{$\backslash$n} (note the latter is not the escaped version but \texttt{$\backslash$} followed by \texttt{n}, otherwise we would not be able to indicate in our strings when to write a newline).
-\item comments start with \texttt{//} and contain symbols, spaces and digits until the end-of-the-line markers
+\item comments start with \texttt{//} and contain symbols, spaces, parentheses and digits until the end-of-the-line markers
 \item endo-of-line-markers are \texttt{$\backslash$n} and \texttt{$\backslash$r$\backslash$n}  
 \end{enumerate}