a$. Metal lines from [O]{}[i]{} $\lambda$ 0000, [Fe]{}[ii]{} $\lambda\lambda\lambda\lambda$ 0000, 0000, 0000, 0000, [Si]{}[ii]{} $\lambda\lambda\lambda$ 0000, 0000, 0000, [C]{}[ii]{} $\lambda$ 0000, [Al]{}[ii]{} $\lambda$ 0000, and [Si]{}[iv]{} $\lambda\lambda$ 0000, 0000 are detected in the red part of the spectrum. Fig. \[J0000-0000\] shows our best fit result of the [H]{}[i]{} lines.  0.  QSO J0000-0000 ($z_{\rm em}=0.000$). 