oops, deleted bits of doc/ref by mistake
oops, deleted bits of doc/ref by mistake

leiyangyou/libvips,mcanthony/libvips,lovell/libvips,wishabi/libvips,lovell/libvips,leiyangyou/libvips,leiyangyou/libvips,lovell/libvips,mcanthony/libvips,jcupitt/libvips,wishabi/libvips,mcanthony/libvips,wishabi/libvips,leiyangyou/libvips,lovell/libvips,jcupitt/libvips,wishabi/libvips,mcanthony/libvips,jcupitt/libvips,jcupitt/libvips