=== modified file 'openerp/report/render/rml2pdf/utils.py'
--- openerp/report/render/rml2pdf/utils.py	2012-08-14 15:29:16 +0000
+++ openerp/report/render/rml2pdf/utils.py	2013-09-06 14:03:04 +0000
@@ -102,7 +102,8 @@
                 n2.tag = tag
                 n2.attrib.update(attr or {})
                 yield n2
-                tagname = ''
+                tagname = None
+                continue
             except GeneratorExit:
                 pass
             except Exception, e: