xpath to find non-meta tags with OG data

screenless/bureau/publications/publications.py

@@ -182,7 +182,7 @@ class Publications(Bureau):
         html = lxml.html.document_fromstring(resp.text)
 
         #find all elements with property="og:<something>"
-        elements = html.findall(".//[@property]")
+        elements = html.findall(".//*[@property]")
         for element in elements:
             prop = element.get("property")
             val = element.get("content")