[cmath.syn] Turn a consequence into a note.

Also replace a numbered list with a bulleted one.

Author: jensmaurer

source/numerics.tex

@@ -9742,7 +9742,7 @@
 For each set of overloaded functions within \libheader{cmath},
 with the exception of \tcode{abs},
 there shall be additional overloads sufficient to ensure:
-\begin{enumerate}
+\begin{itemize}
   \item If any argument of arithmetic type
     corresponding to a \tcode{double} parameter
     has type \tcode{long double},
@@ -9756,10 +9756,13 @@
     then all arguments of arithmetic type
     corresponding to \tcode{double} parameters
     are effectively cast to \tcode{double}.
-  \item Otherwise, all arguments of arithmetic type
-    corresponding to \tcode{double} parameters
-    have type \tcode{float}.
-\end{enumerate}
+  \item
+\begin{note}
+Otherwise, all arguments of arithmetic type
+corresponding to \tcode{double} parameters
+have type \tcode{float}.
+\end{note}
+\end{itemize}
 \begin{note}
 \tcode{abs} is exempted from these rules in order to stay compatible with C.
 \end{note}