grep --include=\*.h -rnw . -e "using namespace Upp;"

./urepo/urepo.h:6:using namespace Upp;
./RasterPlayer/RasterPlayer.h:6:using namespace Upp;
./ScatterCtrl/ScatterCtrl.h:11:using namespace Upp;
./ScatterCtrl/PieCtrl.h:8:using namespace Upp;
./ide/Core/Core.h:12:using namespace Upp;
./XmlView/XmlView.h:6:using namespace Upp;
./Web/ctrl/DlgHttpServer.h:3:using namespace Upp;
./ScatterDraw/ScatterDraw.h:10:using namespace Upp;
./ScatterDraw/PieDraw.h:10:using namespace Upp;