#TODO: help_string & usage_string:

gui/about.cpp
gui/browser.cpp
gui/chooser.cpp
gui/error.cpp
gui/GuiManager.cpp
gui/KeysDialog.cpp
gui/launcher.cpp
gui/massadd.cpp
gui/options.cpp
gui/saveload.cpp
gui/themebrowser.cpp
gui/ThemeEngine.cpp

base/main.cpp

common/error.cpp

engines/dialogs.cpp
engines/scumm/dialogs.cpp

sound/mididrv.cpp


#TODO: backends engines tools?