Added a warning at the top saying that user code should not use the
whrandom module directly.
diff --git a/Doc/lib/libwhrandom.tex b/Doc/lib/libwhrandom.tex
index b745f5b..cc00f19 100644
--- a/Doc/lib/libwhrandom.tex
+++ b/Doc/lib/libwhrandom.tex
@@ -4,6 +4,8 @@
\declaremodule{standard}{whrandom}
\modulesynopsis{Floating point pseudo-random number generator.}
+\strong{Note:} This module is an implementation detail of the
+\refmodule{random} module. Please do not use this module directly.
This module implements a Wichmann-Hill pseudo-random number generator
class that is also named \class{whrandom}. Instances of the