message: Screen: Adds debug print to SendMouseEvents.
diff: @@ -1142,11 +1142,16 @@ void Screen::operator()(ScreenAlignmentPattern const&)
  void Screen::operator()(SendMouseEvents const& v)
  {
  // TODO
  + cerr << fmt::format("TODO: SendMouseEvents({}, {})",
  + to_string(v.protocol),
  + v.enable ? "enable" : "disable")
  + << endl;
  }
  void Screen::operator()(AlternateKeypadMode const& v)
  {
  // TODO
  + cerr << "TODO: AlternateKeypadMode." << endl;
  }
  void Screen::operator()(DesignateCharset const& v)
  