$$div(\overline{f}+\overline{g})=div\overline{f}+div\overline{g}$$
$\left\{\begin{matrix}\\d=0\text{, }&\text{unconditionally}\\d\in \mathrm{C}\text{, }&g=\pi \text{ or }v=0\end{matrix}\right.$
$f\in \mathrm{C}$
$g=\pi \text{ or }v=0\text{ or }d=0$
