Revision control
++ QT += widgets
++ requires(qtConfig(filedialog))
++
++ HEADERS = highlighter.h \
++ mainwindow.h
++ SOURCES = highlighter.cpp \
++ mainwindow.cpp \
++ main.cpp
++
++ # install
++ target.path = $$[QT_INSTALL_EXAMPLES]/widgets/richtext/syntaxhighlighter
++ INSTALLS += target