Document the cmemberdesc environment.
diff --git a/Doc/doc/doc.tex b/Doc/doc/doc.tex
index a635eb1..5bea685 100644
--- a/Doc/doc/doc.tex
+++ b/Doc/doc/doc.tex
@@ -549,6 +549,17 @@
be used in the description.
\end{envdesc}
+ \begin{envdesc}{cmemberdesc}{\p{container}\p{type}\p{name}}
+ Description for a structure member. \var{container} should be
+ the \keyword{typedef} name, if there is one, otherwise if should
+ be \samp{struct \var{tag}}. The type of the member should given
+ as \var{type}, and the name should be given as \var{name}. The
+ text of the description should include the range of values
+ allowed, how the value should be interpreted, and whether the
+ value can be changed. References to structure members in text
+ should use the \macro{member} macro.
+ \end{envdesc}
+
\begin{envdesc}{csimplemacrodesc}{\p{name}}
Documentation for a ``simple'' macro. Simple macros are macros
which are used for code expansion, but which do not take