add a whitespace between each text element.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@41675 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/PortalTransforms/transforms/xml_to_text.py

@@ -13,7 +13,8 @@ class xml_to_text:
         return self.__name__
 
     def convert(self, data, cache, **kw):
-        out = ''.join(etree.fromstring(data).itertext()).encode('utf-8')
+        text_list = etree.fromstring(data).itertext()
+        out = ' '.join([text for text in text_list if text])
         cache.setData(out)
         return cache