Push xmllib to the end of the markup chapter since it is deprecated.
diff --git a/Doc/lib/lib.tex b/Doc/lib/lib.tex
index 6ebfadd..9a66a44 100644
--- a/Doc/lib/lib.tex
+++ b/Doc/lib/lib.tex
@@ -233,9 +233,9 @@
 \input{markup}                  % Structured Markup Processing Tools
 \input{libsgmllib}
 \input{libhtmllib}
-\input{libxmllib}
 \input{libpyexpat}
 \input{xmlsax}
+\input{libxmllib}
 
 \input{libmm}			% Multimedia Services
 \input{libaudioop}