code: def _set_digraph_a(self, char):
          '''
          Sets the currently active character, in case it is (potentially)
          the first part of a digraph.
          '''
          self._set_char(char, CV)
          self.active_dgr_a_info = di_a_lt[charf _set_digraph_a(self, char):
          '''
          Sets the currently active character, in case it is (potentially)
          the first part of a digraph.
          '''
          self._set_char(char, CV)
          self.active_dgr_a_info = di_a_lt[char]
docs: Sets the currently active character, in case it is (potentially)
          the first part of a digraph.