4. Libraries never listed at all

libSceRtc, libSceFios2, libSceAvPlayer, libSceNgs2, libSceVideodec, libSceAjm, libSceMouse, libSceKeyboard, libSceAppContent, libSceNpManager, libSceScreenShot, libSceRazorCpu.

Each is one group in data/surface.txt once its names are confident. Cheap, and the census is the right place for them - a wrong name here is a harmless false negative (D014).