Minor improvement of 'itemize' source readability

chapters/equations.tex

@@ -358,7 +358,8 @@ \subsubsection{Application of the Single-assignment Rule to When-Equations}\doub
 The Modelica single-assignment rule (\autoref{synchronous-data-flow-principle-and-single-assignment-rule}) has implications for
 when-equations:
 \begin{itemize}
-\item  Two when-equations may \emph{not} define the same variable.
+\item
+  Two when-equations may \emph{not} define the same variable.
 
 \begin{nonnormative}
 Without this rule this may actually happen for the erroneous
@@ -388,7 +389,8 @@ \subsubsection{Application of the Single-assignment Rule to When-Equations}\doub
 below or using the statement version of the when-construct, see \autoref{when-statements}.
 \end{nonnormative}
 
-\item  When-equations involving elsewhen-parts can be used to resolve
+\item
+  When-equations involving elsewhen-parts can be used to resolve
   assignment conflicts since the first of the when/elsewhen parts are
   given higher priority than later ones:
 \begin{nonnormative}