Finds the first closest next sibling of the node which is
          an element node. Note the handling of entities references
          is different than in the W3C DOM element traversal spec
          since we don't have back reference from entities content to
           entities references.

def nextElementSibling(self):
        """Finds the first closest next sibling of the node which is
          an element node. Note the handling of entities references
          is different than in the W3C DOM element traversal spec
          since we don't have back reference from entities content to
           entities references. """
        ret = libxml2mod.xmlNextElementSibling(self._o)
        if ret is None:return None
        __tmp = xmlNode(_obj=ret)
        return __tmp