State that Mailbox objects are iterator objects.

freddrake · freddrake · commit 287c4cb43a79 · 2001-05-02T20:22:12.000Z
diff --git a/Doc/lib/libmailbox.tex b/Doc/lib/libmailbox.tex
@@ -86,8 +86,8 @@ \section{\module{mailbox} ---
 
 \subsection{Mailbox Objects \label{mailbox-objects}}
 
-All implementations of Mailbox objects have one externally visible
-method:
+All implementations of Mailbox objects are iterator objects, and so
+have one externally visible method:
 
 \begin{methoddesc}[mailbox]{next}{}
 Return the next message in the mailbox, created with the optional
