Specify no newline between (args) and =>

Author: martin-henz

doc/source_return.tex

@@ -1,8 +1,12 @@
-\section*{\textrm{return} statements}
+\section*{\textrm{return} statements and function definition expressions}
 
 \begin{itemize}
-\item \textrm{return} statements are only allowed in bodies of functions.
+\item Return statements are only allowed in bodies of functions.
 \item There cannot be any newline character between
-$\textbf{\texttt{return}}$ and $ \textit{expression} \
-\textbf{\texttt{;}}$.
+$\textbf{\texttt{return}}$ and $\textit{expression}$ in return statements.
+\item There cannot be any newline character between
+  $(\ \textit{name}\ | \ \textbf{\texttt{(}}\ \textit{parameters}\ \textbf{\texttt{)}}\ )$
+                                               and
+$\texttt{\textbf{=>}}$ in function definition expressions.
+                                               
 \end{itemize}