Add cross references to description of assignment to subscripted arra…

…y variables

chapters/arrays.tex

@@ -1037,12 +1037,11 @@ \section{Scalar, Vector, Matrix, and Array Operator Functions}\label{scalar-vect
 
 \subsection{Equality and Assignment}\label{equality-and-assignment}
 
-Equality \lstinline!a = b! and assignment \lstinline!a := b! of scalars, vectors, matrices, and
-arrays is defined element-wise and require both objects to have the same
-number of dimensions and corresponding dimension sizes. The operands
-need to be type equivalent. This is legal for the simple types and all
-types satisfying the requirements for a record, and is in the latter
-case applied to each component-element of the records.
+Equality \lstinline!a = b! and assignment \lstinline!a := b! of scalars, vectors, matrices, and arrays is defined element-wise and require both objects to have the same number of dimensions and corresponding dimension sizes.
+See \cref{array-indexing} regarding assignments to array variables with repeated subscripts.
+
+The operands need to be type equivalent.
+This is legal for the simple types and all types satisfying the requirements for a record, and is in the latter case applied to each component-element of the records.
 
 \begin{table}[H]
 \caption{Equality and assignment of arrays and scalars.  The scalar \tablehead{Operation} applies for all $j$ in $1,\, \ldots,\, n$ and $k$ in $1,\, \ldots,\, m$.}

chapters/statements.tex

@@ -125,8 +125,11 @@ \subsection{Simple Assignment Statements}\label{simple-assignment-statements}
 component-reference ":=" expression
 \end{lstlisting}
 
-The \lstinline!expression! is evaluated. The resulting value is stored into the
-variable denoted by \lstinline!component-reference!.
+The \lstinline[language=grammar]!expression! is evaluated.
+The resulting value is stored into the variable denoted by \lstinline[language=grammar]!component-reference!.
+
+Assignment to array variables with subscripts is described in \cref{array-indexing}.
+
 
 \subsubsection{Assignments from Called Functions with Multiple Results}\label{assignments-from-called-functions-with-multiple-results}