Use {memberdesc} to mark the instance attributes.
diff --git a/Doc/lib/libimaplib.tex b/Doc/lib/libimaplib.tex
index 73baddc..4a6f94f 100644
--- a/Doc/lib/libimaplib.tex
+++ b/Doc/lib/libimaplib.tex
@@ -194,13 +194,19 @@
 \end{methoddesc}
 
 
-\class{IMAP4} instances have a variable \member{PROTOCOL_VERSION} that
-is set to the most recent supported protocol in the \samp{CAPABILITY}
-response.
+The following attributes are defined on instances of \class{IMAP4}:
 
-Finally, \class{IMAP4} instances have a variable debug which can be
-set to an integer to turn on debugging.  Values greater than 3 trace
-each command.
+
+\begin{memberdesc}{PROTOCOL_VERSION}
+The most recent supported protocol in the \samp{CAPABILITY}
+response from the server.
+\end{memberdesc}
+
+\begin{memberdesc}{debug}
+Integer value to control debugging output.  The initialize value is
+taken from the module variable \code{Debug}.  Values greater than
+three trace each command.
+\end{memberdesc}
 
 
 \subsection{IMAP4 Example}