diff --git a/library/server/ewsgi/ewsgi_spec.ecf b/library/server/ewsgi/ewsgi_spec.ecf
index d5abca8f..79f941dd 100644
--- a/library/server/ewsgi/ewsgi_spec.ecf
+++ b/library/server/ewsgi/ewsgi_spec.ecf
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="ewsgi_spec" uuid="AA193B9F-02FD-47B9-B60D-C42B9AB35E1C" library_target="ewsgi_spec">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-18-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-18-0 http://www.eiffel.com/developers/xml/configuration-1-18-0.xsd" name="ewsgi_spec" uuid="AA193B9F-02FD-47B9-B60D-C42B9AB35E1C" library_target="ewsgi_spec">
 	<target name="ewsgi_spec">
 		<root all_classes="true"/>
 		<file_rule>
@@ -10,6 +10,8 @@
 		<option warning="true">
 		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
+		<library name="encoder" location="..\..\text\encoder\encoder.ecf"/>
+		<library name="http" location="..\..\network\protocol\http\http.ecf"/>
 		<library name="time" location="$ISE_LIBRARY\library\time\time.ecf"/>
 		<cluster name="specification" location="specification\" recursive="true"/>
 	</target>
diff --git a/library/server/ewsgi/specification/connector/wgi_rescue_execution.e b/library/server/ewsgi/specification/connector/wgi_rescue_execution.e
index d4bd4bdf..1eb27d21 100644
--- a/library/server/ewsgi/specification/connector/wgi_rescue_execution.e
+++ b/library/server/ewsgi/specification/connector/wgi_rescue_execution.e
@@ -20,10 +20,10 @@ feature -- Execution
 		local
 			s: STRING
 		do
-			if 
+			if
 				res /= Void and then
-				e /= Void and then 
-				attached e.trace as l_trace 
+				e /= Void and then
+				attached e.trace as l_trace
 			then
 				if not res.status_is_set then
 					res.set_status_code ({HTTP_STATUS_CODE}.internal_server_error, Void)
@@ -41,6 +41,16 @@ feature -- Execution
 				end
 				res.push
 			end
-		end		
+		end
 
+note
+	copyright: "2011-2018, Jocelyn Fiat, Javier Velilla, Eiffel Software and others"
+	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
+	source: "[
+			Eiffel Software
+			5949 Hollister Ave., Goleta, CA 93117 USA
+			Telephone 805-685-1006, Fax 805-685-6869
+			Website http://www.eiffel.com
+			Customer support http://support.eiffel.com
+		]"
 end