Deprecated Random.cunifvariate clearing bug 506647. Also, added docstrings.
diff --git a/Doc/lib/librandom.tex b/Doc/lib/librandom.tex
index 3a12ae6..24489bc 100644
--- a/Doc/lib/librandom.tex
+++ b/Doc/lib/librandom.tex
@@ -206,7 +206,10 @@
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 (mean + arc * (Random.random()
+ - 0.5)) % Math.pi}
\end{funcdesc}
\begin{funcdesc}{expovariate}{lambd}