new lines are required for reStructuredText parser

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk/utils/xupdate_processor@42477 20353a03-c40f-0410-a6d1-a30d3c3de9de

README.txt

@@ -19,6 +19,8 @@ Usage
 =====
 
 just like this::
+
+
   >>> from xupdate_processor import applyXUpdate
   >>> from lxml import etree
   >>> xml_doc_string = """<?xml version="1.0"?>