Fix a lot of markup and meta-information glitches.
diff --git a/Doc/lib/libpoplib.tex b/Doc/lib/libpoplib.tex
index 71c4040..0b8c9f8 100644
--- a/Doc/lib/libpoplib.tex
+++ b/Doc/lib/libpoplib.tex
@@ -23,7 +23,7 @@
Note that POP3, though widely supported, is obsolescent. The
implementation quality of POP3 servers varies widely, and too many are
quite poor. If your mailserver supports IMAP, you would be better off
-using the \code{\refmodule{imaplib}.\class{IMAP4}} class, as IMAP
+using the \class{\refmodule{imaplib}.IMAP4} class, as IMAP
servers tend to be better implemented.
A single class is provided by the \module{poplib} module: