@Override
  public void setEditor(@NotNull HighlighterClient editor) {
    Lexer l = getLexer();
    if (l instanceof LayeredLexer) {
      editor.getDocument().putUserData(KEY, !editor.getDocument().getText().contains(PyNames.UNICODE_LITERALS));
    }
    super.setEditor(editor);
  }
@Override
  public void setEditor(@NotNull HighlighterClient editor)