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@@ -169,6 +169,27 @@ autres.
\par}
+\hbox to\hsize{\hfill\hbox to4cm{\hrulefill}\hfill}
+
+\medskip
+
+Paragraphe 4.3.5, il manque à la grammaire $G'$ des productions $U
+\rightarrow \varepsilon$ et $V \rightarrow \varepsilon$ : page 58,
+lignes 4–5, remplacer
+\[
+\begin{aligned}
+U &\rightarrow aUbU\\
+V &\rightarrow bVaV\\
+\end{aligned}
+\]
+par
+\[
+\begin{aligned}
+U &\rightarrow aUbU \;|\; \varepsilon\\
+V &\rightarrow bVaV \;|\; \varepsilon\\
+\end{aligned}
+\]
+
%