parameters: (self, err_func, warn_func, arg=None)
docstring: Register error and warning handlers for DTD validation.
          These will be called back as f(msg,arg)
docstring_summary: Register error and warning handlers for DTD validation.
          These will be called back as f(msg,arg)
docstring_tokens: Register error and warning handlers for DTD validation . These will be called back as f ( msg arg )
function: def setValidityErrorHandler(self, err_func, warn_func, arg=None):
          """
          Register error and warning handlers for DTD validation.
          These will be called back as f(msg,arg)
          """
          libxml2mod.xmlSetValidErrors(self._o, err_func, warn_func, arg)
function_tokens: def setValidityErrorHandler ( self , err_func , warn_func , arg = None ) : libxml2mod . xmlSetValidErrors ( self . _o , err_func , warn_func , arg )