Fix formatting of definition of 'cat'

chapters/arrays.tex

@@ -633,28 +633,25 @@ \subsubsection{Array Constructor with Several Iterators}\doublelabel{array-const
 
 \subsection{Array Concatenation}\doublelabel{array-concatenation}
 
-
-The function \lstinline!cat(k,A,B,C,...)! concatenates arrays
-\lstinline!A!,\lstinline!B!,\lstinline!C!,... along
-dimension k according to the following rules:
+The function \lstinline[mathescape=true]!cat($k$, A, B, C, $\ldots$)! concatenates arrays
+\lstinline!A!, \lstinline!B!, \lstinline!C!, \ldots along
+dimension $k$ according to the following rules:
 \begin{itemize}
 \item
-  Arrays A, B, C, ... must have the same number of dimensions, i.e.,
-  \lstinline!ndims(A)! = \lstinline!ndims(B)! = ...
+  Arrays \lstinline!A!, \lstinline!B!, \lstinline!C!, \ldots must have the same number of dimensions, i.e.,
+  \lstinline!ndims(A)! = \lstinline!ndims(B)! = \ldots
 \item
-  Arrays A, B, C, ... must be type compatible expressions (\autoref{type-compatible-expressions})
+  Arrays \lstinline!A!, \lstinline!B!, \lstinline!C!, \ldots must be type compatible expressions (\autoref{type-compatible-expressions})
   giving the type of the elements of the result. The maximally expanded
-  types should be equivalent. Real and Integer subtypes can be mixed
-  resulting in a Real result array where the Integer numbers have been
-  transformed to Real numbers.
+  types should be equivalent. \lstinline!Real! and \lstinline!Integer! subtypes can be mixed
+  resulting in a \lstinline!Real! result array where the \lstinline!Integer! numbers have been
+  transformed to \lstinline!Real! numbers.
 \item
-  k has to characterize an existing dimension, i.e., 1 $<=$ k
-  $<=$ \lstinline!ndims(A)! = \lstinline!ndims(B)! = \lstinline!ndims(C)!; k shall be a parameter expression of \lstinline!Integer! type.
+  $k$ has to characterize an existing dimension, i.e., $1 \leq k \leq \text{\lstinline!ndims(A)!} = \text{\lstinline!ndims(B)!} = \text{\lstinline!ndims(C)!}$; $k$ shall be a parameter expression of \lstinline!Integer! type.
 \item
-  Size matching: Arrays A, B, C, ... must have identical array sizes
-  with the exception of the size of dimension k, i.e., \lstinline!size(A,j)! =
-  \lstinline!size(B,j)!, for 1 $<=$  j $<=$  \lstinline!ndims(A)! and j
-  $\neq$ k.
+  Size matching: Arrays \lstinline!A!, \lstinline!B!, \lstinline!C!, \ldots must have identical array sizes
+  with the exception of the size of dimension $k$, i.e., \lstinline!size(A,j)! =
+  \lstinline!size(B,j)!, for $1 \leq j \leq \text{\lstinline!ndims(A)!}$ and $j \neq k$.
 \end{itemize}
 
 \begin{example}