Fixed regex incident.

src/fa/norm/multilinear.tex

@@ -8,7 +8,7 @@
         \item For each $x \in E$, $y \mapsto T(x, y)$ is a continuous linear map from $F$ to $G$.
         \item For each $y \in F$, $x \mapsto T(x, y)$ is a continuous linear map from $E$ to $G$.
         \item $E$ is a Banach space.
-    \end\{enumerate\}
+    \end{enumerate}
 
     then $T \in L^2(E, F; G)$.
 \end{proposition}