Revision control
++ QT += widgets
++ requires(qtConfig(tablewidget))
++ qtHaveModule(printsupport): QT += printsupport
++
++ HEADERS = detailsdialog.h \
++ mainwindow.h
++ SOURCES = detailsdialog.cpp \
++ main.cpp \
++ mainwindow.cpp
++
++ # install
++ target.path = $$[QT_INSTALL_EXAMPLES]/widgets/richtext/orderform
++ INSTALLS += target