End of Ch.3 is now about "with statement".

Avoid obsolescence by directly referring to the section.

Doc/ref/ref5.tex

@@ -22,9 +22,9 @@ are the same as for \code{othername}.
 
 When a description of an arithmetic operator below uses the phrase
 ``the numeric arguments are converted to a common type,'' the
-arguments are coerced using the coercion rules listed at the end of
-chapter \ref{datamodel}.  If both arguments are standard numeric
-types, the following coercions are applied:
+arguments are coerced using the coercion rules listed at
+~\ref{coercion-rules}.  If both arguments are standard numeric types,
+the following coercions are applied:
 
 \begin{itemize}
 \item	If either argument is a complex number, the other is converted