docs: def text_to_data(self, text, elt, ps):
          '''convert text into typecode specific data.  items in
          list are space separated.
          '''
          v = []
          items = text.split()
          for item in items:
              v.append(self.itemTypeCode.text_to_data(item, elt, ps))
  
          if self.pyclass is not None:
              return self.pyclass(v)
          return v