Lemma 63.2.2. Let $X$ be a scheme. Let $Z \subset X$ be a locally closed subscheme. Let $\mathcal{F}$ be an abelian sheaf on $X_{\acute{e}tale}$. Given $U, U' \subset X$ open containing $Z$ as a closed subscheme, there is a canonical bijection

which is given by restriction if $U' \subset U$.

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