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# patch "docs/ug/erb-install.tex"
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--- docs/ug/erb-install.tex	409a8a09326d3a29e93bbf78e7a069d27ed3d9f4
+++ docs/ug/erb-install.tex	856f1799db4af502de5661f23665da8f4ac04a73
@@ -43,8 +43,8 @@ \section{Prerequisites}

 \item \label{gnat} \textbf{GNAT Pro} - The GNAT Pro compiler is used to compile the
 harness. You need to have access to the native compiler corresponding to
-the host environment you are using. ERB requires any version of GNAT Pro
-or GNAT GPL edition more recent than GNAT Pro 6.1.2.
+the host environment you are using. ERB requires any version of GNAT Pro
+more recent than 6.1.2 or GNAT GPL edition more recent than GNAT GPL 2008.

 \item \label{tex} \textbf{TeXinfo} - The documentation of the ERB
 project is written in LaTeX format. In order to build it, you need to