SF patch 1631942 by Collin Winter:
(a) "except E, V" -> "except E as V"
(b) V is now limited to a simple name (local variable)
(c) V is now deleted at the end of the except block
diff --git a/Doc/lib/libxdrlib.tex b/Doc/lib/libxdrlib.tex
index d0863d9..56474b7 100644
--- a/Doc/lib/libxdrlib.tex
+++ b/Doc/lib/libxdrlib.tex
@@ -246,6 +246,6 @@
p = xdrlib.Packer()
try:
p.pack_double(8.01)
-except xdrlib.ConversionError, instance:
+except xdrlib.ConversionError as instance:
print 'packing the double failed:', instance.msg
\end{verbatim}