Patch #1504046: Add documentation for xml.etree.
/F wrote the text docs, Englebert Gruber massaged it to latex and I
did some more massaging to try and improve the consistency and
fix some name mismatches between the declaration and text.
diff --git a/Doc/lib/lib.tex b/Doc/lib/lib.tex
index 78efca8..b7e390f 100644
--- a/Doc/lib/lib.tex
+++ b/Doc/lib/lib.tex
@@ -171,6 +171,7 @@
\input{xmlsaxhandler}
\input{xmlsaxutils}
\input{xmlsaxreader}
+\input{libetree}
% \input{libxmllib}
\input{fileformats} % Miscellaneous file formats