--- cascmd_en.orig	2024-08-21 12:10:49.636096581 -0500
+++ cascmd_en.tex	2024-08-21 14:13:08.196085399 -0500
@@ -13382,7 +13382,7 @@
 You can prevent an expression from being evaluated by \emph{quoting}
 it, either by preceding it with \texttt{'}\index{'@\texttt{'}} or with the
 \texttt{quote}\index{quote@\texttt{quote}}
-or \texttt{hold}\index{hold@\texttt{hold}}) command.
+or \texttt{hold}\index{hold@\texttt{hold}} command.
 
 \paragraph*{Remark.}
 If $a$ is a variable, then \texttt{$a$:=quote($a$)} (or
@@ -13840,6 +13840,26 @@
   5
 \end{xcasoutput}
 
+If you want to substitute values into an expression
+without evaluating the result, you can give the
+\texttt{subst} command an optional last argument of
+\texttt{quote}\index{quote@\texttt{quote}}.
+
+\subsubsection*{Examples}
+Assuming that \texttt{x} is not assigned:
+\begin{xcasinput}
+subst(sin(x),x,pi)
+\end{xcasinput}
+\begin{xcasoutput}
+  0
+\end{xcasoutput}
+\begin{xcasinput}
+subst(sin(x),x,pi,quote)
+\end{xcasinput}
+\begin{xcasoutput}
+  sin(pi)
+\end{xcasoutput}
+
 \paragraph*{Changing integration variables.}
 \texttt{subst} may also be used to make a change of variable in an
 integral. In this case the \texttt{integrate} command (see