Rob W. W. Hooft's spelling fixes for the Library Reference. I hope
SourceForge doesn't choke on this batch :-)

I'm not entirely sure this is 100% correct. The patch changes an
\index{persistency} to \index{presistence}, and I don't know what \index{}
does. But it seems to do so persi--er, consistently, so I hope it isn't a
problem.
diff --git a/Doc/lib/libmarshal.tex b/Doc/lib/libmarshal.tex
index 4b0589f..5686451 100644
--- a/Doc/lib/libmarshal.tex
+++ b/Doc/lib/libmarshal.tex
@@ -19,7 +19,7 @@
   convert some data from internal to external form (in an RPC buffer for
   instance) and ``unmarshalling'' for the reverse process.}
 
-This is not a general ``persistency'' module.  For general persistency
+This is not a general ``persistence'' module.  For general persistence
 and transfer of Python objects through RPC calls, see the modules
 \refmodule{pickle} and \refmodule{shelve}.  The \module{marshal} module exists
 mainly to support reading and writing the ``pseudo-compiled'' code for