--- a/handouts/amm-faq.tex	Fri Nov 14 12:38:59 2025 +0000
+++ b/handouts/amm-faq.tex	Mon Nov 17 23:28:27 2025 +0000
@@ -137,6 +137,20 @@
 \texttt{infix def \$ (r: Rexp) = RECD(s, r)} %$
 \end{center}
 
+\subsection*{Outdated Syntax in CW4}
+
+The templates for this task contain the lines
+
+\begin{lstlisting}[numbers=none,language=Scala]
+def i(args: Any*): String = "   " ++ sc.s(args:_*) ++ "\n"
+def l(args: Any*): String = sc.s(args:_*) ++ ":\n"
+\end{lstlisting}
+
+\noindent
+which produce a warning about ``The syntax `x: \_*` is no longer
+supported for vararg splices''. This warning can be avoided by writing
+\texttt{args*} instead of \texttt{args:\_*}.
+
 \end{document}
 
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