 the unipotent almost characters labelled by $(g_0,\theta)$ and $(g_0,\theta^0)$: $$\begin{aligned} R_{(g_0,\theta)} & =\textstyle\frac{0}{0}\bigl(\rho_{(00,0)}+F_0^{II}[0]- \rho_{(0,0)'}-\rho_{(0,0)''}