Markup adjustments; fix the names of modules referenced in an expression.
Deprecated Random.cunifvariate clearing bug 506647.
angle. Both values must be expressed in radians, and can range
between 0 and \emph{pi}. Returned values range between
\code{\var{mean} - \var{arc}/2} and \code{\var{mean} +
- \var{arc}/2}.
+ \var{arc}/2} and are normalized to between 0 and \emph{pi}.
+
+ \deprecated{2.3}{Instead, use \code{(\var{mean} + \var{arc} *
+ (random.random() - 0.5)) \% math.pi}.}
\end{funcdesc}
\begin{funcdesc}{expovariate}{lambd}