code: def resolve_any_xref(self, env, fromdocname, builder, target,
                           node, contnode):
          
          prefix = node.get('dn:prefix')
          results = []
  
          match = self.find_obj(env, prefix, target, None, 1)
          if match is not None:
              (name, obj) = match
              results.append(('dn:' + self.role_for_objtype(obj[1]),
                              make_refnode(builder, fromdocname, obj[0], name, contnode,
                                           name)))
          return results
docs: Look for any references, without object type
  
          This always searches in "refspecific" mode