if (wl_resource_get_version(c->surface.xdg->toplevel->resource)
			< XDG_TOPLEVEL_WM_CAPABILITIES_SINCE_VERSION)

	if (c->surface.xdg->initialized
			&& wl_resource_get_version(c->surface.xdg->toplevel->resource)
					< XDG_TOPLEVEL_WM_CAPABILITIES_SINCE_VERSION)