$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$
6.13
\begin{equation} \begin{gathered}\label{equation:easy-localization} \xymatrix@C =50pt@R=50pt{ \coprod _{w \in W} \Delta ^1 \ar [r]^{\iota } \ar [d] & \operatorname{\mathcal{C}}\ar [d]^{F} \\ \coprod _{w \in W} \Delta ^0 \ar [r] & \operatorname{\mathcal{D}}. } \end{gathered} \end{equation}