diff --git a/contrib/library/network/server/nino/example/SimpleWebServer/web_server-safe.ecf b/contrib/library/network/server/nino/example/SimpleWebServer/web_server-safe.ecf
index 289614d5..d047c0cf 100644
--- a/contrib/library/network/server/nino/example/SimpleWebServer/web_server-safe.ecf
+++ b/contrib/library/network/server/nino/example/SimpleWebServer/web_server-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="B1D3254D-A58E-4259-9796-8A2843A511A9" message="Obsolete: use web_server.ecf !" location="web_server.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="B1D3254D-A58E-4259-9796-8A2843A511A9" message="Obsolete: use web_server.ecf !" location="web_server.ecf">
 </redirection>
diff --git a/contrib/library/network/server/nino/example/SimpleWebServer/web_server.ecf b/contrib/library/network/server/nino/example/SimpleWebServer/web_server.ecf
index 4e0dff0b..181476da 100644
--- a/contrib/library/network/server/nino/example/SimpleWebServer/web_server.ecf
+++ b/contrib/library/network/server/nino/example/SimpleWebServer/web_server.ecf
@@ -1,14 +1,14 @@
 <?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="nino_web_server" uuid="B1D3254D-A58E-4259-9796-8A2843A511A9">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="nino_web_server" uuid="B1D3254D-A58E-4259-9796-8A2843A511A9">
 	<target name="nino_web_server">
 		<root class="APPLICATION" feature="make"/>
 		<file_rule>
-			<exclude>/\.git$</exclude>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.git$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true" >
+		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
 		</option>
 		<capability>
diff --git a/contrib/library/network/server/nino/nino-safe.ecf b/contrib/library/network/server/nino/nino-safe.ecf
index fd148e3f..89553fc2 100644
--- a/contrib/library/network/server/nino/nino-safe.ecf
+++ b/contrib/library/network/server/nino/nino-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="32C1D67D-33DE-4F1E-864B-D45388F2E3E6" message="Obsolete: use nino.ecf !" location="nino.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="32C1D67D-33DE-4F1E-864B-D45388F2E3E6" message="Obsolete: use nino.ecf !" location="nino.ecf">
 </redirection>
diff --git a/contrib/library/network/server/nino/nino.ecf b/contrib/library/network/server/nino/nino.ecf
index d3b199ac..5136e737 100644
--- a/contrib/library/network/server/nino/nino.ecf
+++ b/contrib/library/network/server/nino/nino.ecf
@@ -1,12 +1,12 @@
 <?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="nino" uuid="32C1D67D-33DE-4F1E-864B-D45388F2E3E6" library_target="nino">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="nino" uuid="32C1D67D-33DE-4F1E-864B-D45388F2E3E6" library_target="nino">
 	<target name="nino">
 		<root all_classes="true"/>
 		<file_rule>
-			<exclude>/\.git$</exclude>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.git$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<capability>
 			<concurrency support="none" use="thread"/>
diff --git a/docs/workbook/basics/simple/simple.ecf b/docs/workbook/basics/simple/simple.ecf
index 6969354c..d9a39c9d 100644
--- a/docs/workbook/basics/simple/simple.ecf
+++ b/docs/workbook/basics/simple/simple.ecf
@@ -1,10 +1,10 @@
 <?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="simple" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="simple" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/docs/workbook/basics/simple_html/simple_html.ecf b/docs/workbook/basics/simple_html/simple_html.ecf
index 90560a02..9dc6dedb 100644
--- a/docs/workbook/basics/simple_html/simple_html.ecf
+++ b/docs/workbook/basics/simple_html/simple_html.ecf
@@ -1,10 +1,10 @@
 <?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="simple_html" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="simple_html" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/docs/workbook/generating_response/exel/exel.ecf b/docs/workbook/generating_response/exel/exel.ecf
index 1de3d559..8963d4a4 100644
--- a/docs/workbook/generating_response/exel/exel.ecf
+++ b/docs/workbook/generating_response/exel/exel.ecf
@@ -1,10 +1,10 @@
 <?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="exel" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="exel" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/docs/workbook/generating_response/headers/headers.ecf b/docs/workbook/generating_response/headers/headers.ecf
index aa454c97..037496c9 100644
--- a/docs/workbook/generating_response/headers/headers.ecf
+++ b/docs/workbook/generating_response/headers/headers.ecf
@@ -1,10 +1,10 @@
 <?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="headers" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="headers" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/docs/workbook/generating_response/search/search.ecf b/docs/workbook/generating_response/search/search.ecf
index e2726610..4975b2e1 100644
--- a/docs/workbook/generating_response/search/search.ecf
+++ b/docs/workbook/generating_response/search/search.ecf
@@ -1,10 +1,10 @@
 <?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="search" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="search" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/docs/workbook/generating_response/status/status.ecf b/docs/workbook/generating_response/status/status.ecf
index 3ef042b8..266bf396 100644
--- a/docs/workbook/generating_response/status/status.ecf
+++ b/docs/workbook/generating_response/status/status.ecf
@@ -1,10 +1,10 @@
 <?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="status" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="status" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/docs/workbook/handling_cookies/example/example.ecf b/docs/workbook/handling_cookies/example/example.ecf
index 392f5e5a..0348f886 100644
--- a/docs/workbook/handling_cookies/example/example.ecf
+++ b/docs/workbook/handling_cookies/example/example.ecf
@@ -1,10 +1,10 @@
 <?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="example" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="example" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/docs/workbook/handling_request/form/get/form.ecf b/docs/workbook/handling_request/form/get/form.ecf
index bc6d5f4d..6a9b8e28 100644
--- a/docs/workbook/handling_request/form/get/form.ecf
+++ b/docs/workbook/handling_request/form/get/form.ecf
@@ -1,10 +1,10 @@
 <?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="form" uuid="4BF86AB0-AEEE-46BF-93DE-0463E3510ACE">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="form" uuid="4BF86AB0-AEEE-46BF-93DE-0463E3510ACE">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/docs/workbook/handling_request/form/post/form.ecf b/docs/workbook/handling_request/form/post/form.ecf
index 7896ff19..1aca2a65 100644
--- a/docs/workbook/handling_request/form/post/form.ecf
+++ b/docs/workbook/handling_request/form/post/form.ecf
@@ -1,10 +1,10 @@
 <?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="form" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="form" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/docs/workbook/handling_request/headers/browser_name/browsers.ecf b/docs/workbook/handling_request/headers/browser_name/browsers.ecf
index dbd46d58..de078344 100644
--- a/docs/workbook/handling_request/headers/browser_name/browsers.ecf
+++ b/docs/workbook/handling_request/headers/browser_name/browsers.ecf
@@ -1,10 +1,10 @@
 <?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="browsers" uuid="6E4221A7-CB45-4B14-98F2-75F9C273DF68">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="browsers" uuid="6E4221A7-CB45-4B14-98F2-75F9C273DF68">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/docs/workbook/handling_request/headers/cgi_variables/cgi_variables.ecf b/docs/workbook/handling_request/headers/cgi_variables/cgi_variables.ecf
index dd7143e3..df007aed 100644
--- a/docs/workbook/handling_request/headers/cgi_variables/cgi_variables.ecf
+++ b/docs/workbook/handling_request/headers/cgi_variables/cgi_variables.ecf
@@ -1,10 +1,10 @@
 <?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="cgi_variables" uuid="73FCA1D1-DE9D-4112-96BB-92F2C40AC5D1">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="cgi_variables" uuid="73FCA1D1-DE9D-4112-96BB-92F2C40AC5D1">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/docs/workbook/handling_request/headers/header_fields/header_fields.ecf b/docs/workbook/handling_request/headers/header_fields/header_fields.ecf
index 75398bab..9f153dc4 100644
--- a/docs/workbook/handling_request/headers/header_fields/header_fields.ecf
+++ b/docs/workbook/handling_request/headers/header_fields/header_fields.ecf
@@ -1,10 +1,10 @@
 <?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="header_fields" uuid="F4644919-0908-470F-A0C1-66C2E08C2D90">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="header_fields" uuid="F4644919-0908-470F-A0C1-66C2E08C2D90">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/docs/workbook/handling_request/upload_file/upload.ecf b/docs/workbook/handling_request/upload_file/upload.ecf
index 5b80a461..9befb399 100644
--- a/docs/workbook/handling_request/upload_file/upload.ecf
+++ b/docs/workbook/handling_request/upload_file/upload.ecf
@@ -1,10 +1,10 @@
 <?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="upload" uuid="274576E6-E7EA-420F-ADED-0CC6955E48DD">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="upload" uuid="274576E6-E7EA-420F-ADED-0CC6955E48DD">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/draft/library/protocol/syndication/atom/atom-safe.ecf b/draft/library/protocol/syndication/atom/atom-safe.ecf
index 7df38e2e..5e4b8168 100644
--- a/draft/library/protocol/syndication/atom/atom-safe.ecf
+++ b/draft/library/protocol/syndication/atom/atom-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="076DEABB-20DA-43E9-A4C7-F3FAEDF5B1FC" message="Obsolete: use atom.ecf !" location="atom.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="076DEABB-20DA-43E9-A4C7-F3FAEDF5B1FC" message="Obsolete: use atom.ecf !" location="atom.ecf">
 </redirection>
diff --git a/draft/library/protocol/syndication/atom/atom.ecf b/draft/library/protocol/syndication/atom/atom.ecf
index 17e504b6..30a0f21b 100644
--- a/draft/library/protocol/syndication/atom/atom.ecf
+++ b/draft/library/protocol/syndication/atom/atom.ecf
@@ -1,14 +1,12 @@
 <?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="atom" uuid="076DEABB-20DA-43E9-A4C7-F3FAEDF5B1FC" library_target="atom">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="atom" uuid="076DEABB-20DA-43E9-A4C7-F3FAEDF5B1FC" library_target="atom">
 	<target name="atom">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<cluster name="src" location=".\src\" recursive="true"/>
 	</target>
diff --git a/draft/library/protocol/syndication/rss/rss-safe.ecf b/draft/library/protocol/syndication/rss/rss-safe.ecf
index 9b7b63a9..d5c0a3cb 100644
--- a/draft/library/protocol/syndication/rss/rss-safe.ecf
+++ b/draft/library/protocol/syndication/rss/rss-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="8D8E3E5A-2685-40AF-9EF9-E3113B3C62AA" message="Obsolete: use rss.ecf !" location="rss.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="8D8E3E5A-2685-40AF-9EF9-E3113B3C62AA" message="Obsolete: use rss.ecf !" location="rss.ecf">
 </redirection>
diff --git a/draft/library/protocol/syndication/rss/rss.ecf b/draft/library/protocol/syndication/rss/rss.ecf
index 1f90cd51..5b2a03f1 100644
--- a/draft/library/protocol/syndication/rss/rss.ecf
+++ b/draft/library/protocol/syndication/rss/rss.ecf
@@ -1,14 +1,12 @@
 <?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="rss" uuid="8D8E3E5A-2685-40AF-9EF9-E3113B3C62AA" library_target="rss">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="rss" uuid="8D8E3E5A-2685-40AF-9EF9-E3113B3C62AA" library_target="rss">
 	<target name="rss">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<cluster name="src" location=".\src\" recursive="true"/>
 	</target>
diff --git a/draft/library/security/oauth/oauth-safe.ecf b/draft/library/security/oauth/oauth-safe.ecf
index 62eba3dd..5981156e 100644
--- a/draft/library/security/oauth/oauth-safe.ecf
+++ b/draft/library/security/oauth/oauth-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="F8B4DF74-C71B-45A3-9B9A-F6141C4D3C56" message="Obsolete: use oauth.ecf !" location="oauth.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="F8B4DF74-C71B-45A3-9B9A-F6141C4D3C56" message="Obsolete: use oauth.ecf !" location="oauth.ecf">
 </redirection>
diff --git a/draft/library/security/oauth/oauth.ecf b/draft/library/security/oauth/oauth.ecf
index fe5ce27f..e77c6259 100644
--- a/draft/library/security/oauth/oauth.ecf
+++ b/draft/library/security/oauth/oauth.ecf
@@ -1,14 +1,12 @@
 <?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="oauth" uuid="F8B4DF74-C71B-45A3-9B9A-F6141C4D3C56" library_target="oauth">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="oauth" uuid="F8B4DF74-C71B-45A3-9B9A-F6141C4D3C56" library_target="oauth">
 	<target name="oauth">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<cluster name="src" location=".\src\" recursive="true"/>
 	</target>
diff --git a/draft/library/server/wsf_js_widget/examples/custom-template/js_widget_template.ecf b/draft/library/server/wsf_js_widget/examples/custom-template/js_widget_template.ecf
index 0ebbc126..e93fe5d4 100644
--- a/draft/library/server/wsf_js_widget/examples/custom-template/js_widget_template.ecf
+++ b/draft/library/server/wsf_js_widget/examples/custom-template/js_widget_template.ecf
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="js_widget_template" uuid="5C5C33AA-9DCF-42CF-A85A-A6E650E7234F">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="js_widget_template" uuid="5C5C33AA-9DCF-42CF-A85A-A6E650E7234F">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.git$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.git$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/draft/library/server/wsf_js_widget/examples/custom/js_widget_custom.ecf b/draft/library/server/wsf_js_widget/examples/custom/js_widget_custom.ecf
index 46b01a28..b21d360b 100644
--- a/draft/library/server/wsf_js_widget/examples/custom/js_widget_custom.ecf
+++ b/draft/library/server/wsf_js_widget/examples/custom/js_widget_custom.ecf
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="js_custom_widget" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="js_custom_widget" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.git$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.git$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/draft/library/server/wsf_js_widget/examples/demo/demo.ecf b/draft/library/server/wsf_js_widget/examples/demo/demo.ecf
index be5a8ee8..1804b2c2 100644
--- a/draft/library/server/wsf_js_widget/examples/demo/demo.ecf
+++ b/draft/library/server/wsf_js_widget/examples/demo/demo.ecf
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="demo" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="demo" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/draft/library/server/wsf_js_widget/wsf_js_widget-safe.ecf b/draft/library/server/wsf_js_widget/wsf_js_widget-safe.ecf
index efc5a4a2..c82deb1f 100644
--- a/draft/library/server/wsf_js_widget/wsf_js_widget-safe.ecf
+++ b/draft/library/server/wsf_js_widget/wsf_js_widget-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="660D6D82-2218-11E3-86B1-F23C91AEC05E" message="Obsolete: use wsf_js_widget.ecf !" location="wsf_js_widget.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="660D6D82-2218-11E3-86B1-F23C91AEC05E" message="Obsolete: use wsf_js_widget.ecf !" location="wsf_js_widget.ecf">
 </redirection>
diff --git a/draft/library/server/wsf_js_widget/wsf_js_widget.ecf b/draft/library/server/wsf_js_widget/wsf_js_widget.ecf
index 22d11934..2e2350e1 100644
--- a/draft/library/server/wsf_js_widget/wsf_js_widget.ecf
+++ b/draft/library/server/wsf_js_widget/wsf_js_widget.ecf
@@ -1,14 +1,12 @@
 <?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="wsf_js_widget" uuid="660D6D82-2218-11E3-86B1-F23C91AEC05E" library_target="wsf_js_widget">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_js_widget" uuid="660D6D82-2218-11E3-86B1-F23C91AEC05E" library_target="wsf_js_widget">
 	<target name="wsf_js_widget">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="http" location="..\..\..\..\library\network\protocol\http\http.ecf"/>
 		<library name="json" location="$ISE_LIBRARY\contrib\library\text\parser\json\library\json.ecf"/>
diff --git a/draft/src/gewf/gewf.ecf b/draft/src/gewf/gewf.ecf
index 3524f370..22fab911 100644
--- a/draft/src/gewf/gewf.ecf
+++ b/draft/src/gewf/gewf.ecf
@@ -1,15 +1,13 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="gewf" uuid="2D4957D5-77D3-4EC7-BF80-E4E6AC7A3EF3">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="gewf" uuid="2D4957D5-77D3-4EC7-BF80-E4E6AC7A3EF3">
 	<target name="gewf">
 		<description>Generator for EWF project</description>
 		<root class="GEWF" feature="make"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<setting name="console_application" value="true"/>
 		<setting name="executable_name" value="gewf"/>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
diff --git a/examples/_update_needed/filter/filter.ecf b/examples/_update_needed/filter/filter.ecf
index 30112b5c..99a20acc 100644
--- a/examples/_update_needed/filter/filter.ecf
+++ b/examples/_update_needed/filter/filter.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="filter" uuid="52FF4B77-0614-4D8B-9B96-C07EC852793E">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="filter" uuid="52FF4B77-0614-4D8B-9B96-C07EC852793E">
 	<target name="common" abstract="true">
 		<file_rule>
 			<exclude>/EIFGENs$</exclude>
diff --git a/examples/debug/debug.ecf b/examples/debug/debug.ecf
index 3365d92b..7568203c 100644
--- a/examples/debug/debug.ecf
+++ b/examples/debug/debug.ecf
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="debug" uuid="AA458565-7711-4BE1-ADA3-91716EABFA21">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="debug" uuid="AA458565-7711-4BE1-ADA3-91716EABFA21">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/examples/desktop_app/desktop_app.ecf b/examples/desktop_app/desktop_app.ecf
index 32bd16df..a8b70a93 100644
--- a/examples/desktop_app/desktop_app.ecf
+++ b/examples/desktop_app/desktop_app.ecf
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="desktop_app" uuid="E015841A-D456-46E1-8A18-E0CEB9E69CD5">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="desktop_app" uuid="E015841A-D456-46E1-8A18-E0CEB9E69CD5">
 	<description>Vision2+web browser widget+embedded web service</description>
 	<target name="desktop_app">
 		<description>This example demonstrates how to build a vision2 desktop application that embed a web browser accessing the service of an embedded web service.</description>
@@ -16,9 +16,9 @@
 		<library name="wsf_standalone_connector" location="..\..\library\server\ewsgi\connectors\standalone\standalone.ecf"/>
 		<cluster name="src" location=".\src\" recursive="true">
 			<file_rule>
-				<exclude>/\.svn$</exclude>
 				<exclude>/CVS$</exclude>
 				<exclude>/EIFGENs$</exclude>
+				<exclude>/\.svn$</exclude>
 			</file_rule>
 		</cluster>
 	</target>
diff --git a/examples/form/form.ecf b/examples/form/form.ecf
index 1c912357..e93073e2 100644
--- a/examples/form/form.ecf
+++ b/examples/form/form.ecf
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="form" uuid="1F7BD03F-AC70-42DD-8451-F8B19051641C">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="form" uuid="1F7BD03F-AC70-42DD-8451-F8B19051641C">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/examples/proxy/proxy.ecf b/examples/proxy/proxy.ecf
index 60078dd8..0c00f06d 100644
--- a/examples/proxy/proxy.ecf
+++ b/examples/proxy/proxy.ecf
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="proxy" uuid="B55F0D95-3793-4C90-BBAC-BF5F2DECD5E6">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="proxy" uuid="B55F0D95-3793-4C90-BBAC-BF5F2DECD5E6">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/examples/rest/restbucks_CRUD/client/client.ecf b/examples/rest/restbucks_CRUD/client/client.ecf
index 68c37214..8c3a114c 100644
--- a/examples/rest/restbucks_CRUD/client/client.ecf
+++ b/examples/rest/restbucks_CRUD/client/client.ecf
@@ -1,14 +1,12 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="client" uuid="D0059CEB-5F5C-4D21-8C71-842BD0F88468">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="client" uuid="D0059CEB-5F5C-4D21-8C71-842BD0F88468">
 	<target name="client">
 		<root class="RESTBUCK_CLIENT" feature="make"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<setting name="console_application" value="true"/>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="http_client" location="..\..\..\..\library\network\http_client\http_client.ecf"/>
diff --git a/examples/rest/restbucks_CRUD/restbucks.ecf b/examples/rest/restbucks_CRUD/restbucks.ecf
index d755f5f2..80848794 100644
--- a/examples/rest/restbucks_CRUD/restbucks.ecf
+++ b/examples/rest/restbucks_CRUD/restbucks.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="restbucks" uuid="2773FEAA-448F-410E-BEDE-9298C4749066">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="restbucks" uuid="2773FEAA-448F-410E-BEDE-9298C4749066">
 	<target name="restbucks_common" abstract="true">
 		<file_rule>
 			<exclude>/EIFGENs$</exclude>
diff --git a/examples/rest/restbucks_CRUD/support/simple_db/simple_db-safe.ecf b/examples/rest/restbucks_CRUD/support/simple_db/simple_db-safe.ecf
index 6f5f13b5..06cfbf9c 100644
--- a/examples/rest/restbucks_CRUD/support/simple_db/simple_db-safe.ecf
+++ b/examples/rest/restbucks_CRUD/support/simple_db/simple_db-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="1A6B9D12-25F5-4BB8-98C0-DB6FDE9CCE18" message="Obsolete: use simple_db.ecf !" location="simple_db.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="1A6B9D12-25F5-4BB8-98C0-DB6FDE9CCE18" message="Obsolete: use simple_db.ecf !" location="simple_db.ecf">
 </redirection>
diff --git a/examples/rest/restbucks_CRUD/support/simple_db/simple_db.ecf b/examples/rest/restbucks_CRUD/support/simple_db/simple_db.ecf
index dfab8053..c7da3af7 100644
--- a/examples/rest/restbucks_CRUD/support/simple_db/simple_db.ecf
+++ b/examples/rest/restbucks_CRUD/support/simple_db/simple_db.ecf
@@ -1,9 +1,7 @@
 <?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="simple_db" uuid="1A6B9D12-25F5-4BB8-98C0-DB6FDE9CCE18" library_target="simple_db">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="simple_db" uuid="1A6B9D12-25F5-4BB8-98C0-DB6FDE9CCE18" library_target="simple_db">
 	<target name="simple_db">
 		<root all_classes="true"/>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="json" location="$ISE_LIBRARY\contrib\library\text\parser\json\library\json.ecf"/>
 		<cluster name="src" location="src\" recursive="true">
diff --git a/examples/rest/restbucks_CRUD/support/simple_db/tests/test_simple_db.ecf b/examples/rest/restbucks_CRUD/support/simple_db/tests/test_simple_db.ecf
index 92229cb2..eac783af 100644
--- a/examples/rest/restbucks_CRUD/support/simple_db/tests/test_simple_db.ecf
+++ b/examples/rest/restbucks_CRUD/support/simple_db/tests/test_simple_db.ecf
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="test_simple_db" uuid="2A955961-2B7F-4075-BD05-F75225D8A711">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="test_simple_db" uuid="2A955961-2B7F-4075-BD05-F75225D8A711">
 	<target name="test_simple_db">
 		<root class="ANY" feature="default_create"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="json" location="$ISE_LIBRARY\contrib\library\text\parser\json\library\json.ecf"/>
 		<library name="simple_db" location="..\simple_db.ecf" readonly="false"/>
diff --git a/examples/simple/simple.ecf b/examples/simple/simple.ecf
index 2ed26bf1..e13a12fd 100644
--- a/examples/simple/simple.ecf
+++ b/examples/simple/simple.ecf
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="simple" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="simple" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/examples/simple_compression/service_compression.ecf b/examples/simple_compression/service_compression.ecf
index 518b37b7..fbc4f10d 100644
--- a/examples/simple_compression/service_compression.ecf
+++ b/examples/simple_compression/service_compression.ecf
@@ -1,11 +1,14 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-15-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-15-0 http://www.eiffel.com/developers/xml/configuration-1-15-0.xsd" name="service_compression" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="service_compression" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
 	<target name="service_compression">
 		<root class="SERVICE_COMPRESSION" feature="make_and_launch"/>
-		<option warning="true" void_safety="all">
+		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
 		</option>
-		<setting name="concurrency" value="scoop"/>
+		<capability>
+			<concurrency support="scoop" use="scoop"/>
+			<void_safety support="all" use="all"/>
+		</capability>
 		<library name="base" location="$ISE_LIBRARY\library\base\base-safe.ecf"/>
 		<library name="default_standalone" location="..\..\library\server\wsf\default\standalone-safe.ecf"/>
 		<library name="http" location="..\..\library\network\protocol\http\http-safe.ecf"/>
@@ -13,9 +16,9 @@
 		<library name="wsf_compression" location="..\..\library\server\wsf\wsf_compression-safe.ecf" readonly="false"/>
 		<cluster name="service_compression" location=".\" recursive="true">
 			<file_rule>
-				<exclude>/EIFGENs$</exclude>
-				<exclude>/CVS$</exclude>
 				<exclude>/.svn$</exclude>
+				<exclude>/CVS$</exclude>
+				<exclude>/EIFGENs$</exclude>
 			</file_rule>
 		</cluster>
 	</target>
diff --git a/examples/simple_file/service_file.ecf b/examples/simple_file/service_file.ecf
index 8a7c9c46..20e22165 100644
--- a/examples/simple_file/service_file.ecf
+++ b/examples/simple_file/service_file.ecf
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="service_file" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="service_file" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
 	<target name="service_file">
 		<root class="SERVICE_FILE" feature="make_and_launch"/>
 		<option warning="true">
@@ -11,9 +11,9 @@
 		<library name="wsf" location="..\..\library\server\wsf\wsf.ecf"/>
 		<cluster name="service_file" location=".\" recursive="true">
 			<file_rule>
-				<exclude>/\.svn$</exclude>
 				<exclude>/CVS$</exclude>
 				<exclude>/EIFGENs$</exclude>
+				<exclude>/\.svn$</exclude>
 			</file_rule>
 		</cluster>
 	</target>
diff --git a/examples/simple_ssl/simple_ssl.ecf b/examples/simple_ssl/simple_ssl.ecf
index e8de6d51..bcf3f44f 100644
--- a/examples/simple_ssl/simple_ssl.ecf
+++ b/examples/simple_ssl/simple_ssl.ecf
@@ -1,15 +1,13 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="simple_ssl" uuid="C2FE296C-3C18-4609-A5AB-F604BDEE4410">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="simple_ssl" uuid="C2FE296C-3C18-4609-A5AB-F604BDEE4410">
 	<target name="simple_ssl">
 		<description>Simple EiffelWeb standalone server with SSL support (Concurrent connection supported thanks to SCOOP).</description>
 		<root class="APPLICATION" feature="make_and_launch"/>
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<setting name="console_application" value="true"/>
 		<variable name="ssl_enabled" value="true"/>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
diff --git a/examples/tutorial/step_2/hello/alternatives/launcher/hello_with_launcher.ecf b/examples/tutorial/step_2/hello/alternatives/launcher/hello_with_launcher.ecf
index c29cff20..373f8a1b 100644
--- a/examples/tutorial/step_2/hello/alternatives/launcher/hello_with_launcher.ecf
+++ b/examples/tutorial/step_2/hello/alternatives/launcher/hello_with_launcher.ecf
@@ -1,11 +1,11 @@
 <?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="hello_with_launcher" uuid="00871FE9-7114-4A09-BF4F-C0B833D4F1CB">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="hello_with_launcher" uuid="00871FE9-7114-4A09-BF4F-C0B833D4F1CB">
 	<target name="hello_with_launcher">
 		<root class="HELLO_APPLICATION" feature="make_and_launch"/>
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/examples/tutorial/step_2/hello/alternatives/message/hello_with_execute.ecf b/examples/tutorial/step_2/hello/alternatives/message/hello_with_execute.ecf
index 4b5e9134..9b09aa35 100644
--- a/examples/tutorial/step_2/hello/alternatives/message/hello_with_execute.ecf
+++ b/examples/tutorial/step_2/hello/alternatives/message/hello_with_execute.ecf
@@ -1,11 +1,11 @@
 <?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="hello_with_execute" uuid="DB6E98D3-64A9-4FF6-8F11-9E626DCAED6D">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="hello_with_execute" uuid="DB6E98D3-64A9-4FF6-8F11-9E626DCAED6D">
 	<target name="hello_with_execute">
 		<root class="HELLO_APPLICATION" feature="make_and_launch"/>
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/examples/tutorial/step_2/hello/hello.ecf b/examples/tutorial/step_2/hello/hello.ecf
index 0fa2b569..05f0fb70 100644
--- a/examples/tutorial/step_2/hello/hello.ecf
+++ b/examples/tutorial/step_2/hello/hello.ecf
@@ -1,11 +1,11 @@
 <?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="hello" uuid="25B014D9-CC71-484D-93D9-5E93B51C6B36">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="hello" uuid="25B014D9-CC71-484D-93D9-5E93B51C6B36">
 	<target name="hello">
 		<root class="HELLO_APPLICATION" feature="make_and_launch"/>
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
@@ -19,9 +19,9 @@
 	<target name="hello_mt">
 		<root class="HELLO_APPLICATION" feature="make_and_launch"/>
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/examples/tutorial/step_3/hello/hello.ecf b/examples/tutorial/step_3/hello/hello.ecf
index 6533a1d8..c4d9969e 100644
--- a/examples/tutorial/step_3/hello/hello.ecf
+++ b/examples/tutorial/step_3/hello/hello.ecf
@@ -1,11 +1,11 @@
 <?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="hello" uuid="088E8D53-3705-4362-B04D-8EDF0DBE50E5">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="hello" uuid="088E8D53-3705-4362-B04D-8EDF0DBE50E5">
 	<target name="hello">
 		<root class="HELLO_APPLICATION" feature="make_and_launch"/>
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/examples/tutorial/step_4/hello/hello.ecf b/examples/tutorial/step_4/hello/hello.ecf
index 360638da..47072fe0 100644
--- a/examples/tutorial/step_4/hello/hello.ecf
+++ b/examples/tutorial/step_4/hello/hello.ecf
@@ -1,11 +1,11 @@
 <?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="hello" uuid="5F5ED8A1-AD1C-41BD-878A-BE45A9B28739">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="hello" uuid="5F5ED8A1-AD1C-41BD-878A-BE45A9B28739">
 	<target name="hello">
 		<root class="HELLO_APPLICATION" feature="make_and_launch"/>
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/examples/upload_image/upload_image.ecf b/examples/upload_image/upload_image.ecf
index 4bdcdeba..d0ce6f21 100644
--- a/examples/upload_image/upload_image.ecf
+++ b/examples/upload_image/upload_image.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="upload_image_standalone" uuid="F2400BE8-D8EB-48EB-B4E4-5D4377062A7F">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="upload_image_standalone" uuid="F2400BE8-D8EB-48EB-B4E4-5D4377062A7F">
 	<target name="upload_image_common" abstract="true">
 		<file_rule>
 			<exclude>/EIFGENs$</exclude>
diff --git a/examples/websocket/websocket_app.ecf b/examples/websocket/websocket_app.ecf
index 6126f6cb..ffb6e824 100644
--- a/examples/websocket/websocket_app.ecf
+++ b/examples/websocket/websocket_app.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="websocket_app" uuid="75D17C20-10A8-4E4C-A059-33D72A2B6AEF">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="websocket_app" uuid="75D17C20-10A8-4E4C-A059-33D72A2B6AEF">
 	<target name="websocket_app">
 		<root class="APPLICATION" feature="make_and_launch"/>
 		<file_rule>
diff --git a/library/network/http_client/http_client-safe.ecf b/library/network/http_client/http_client-safe.ecf
index 2f35b985..f4a8ae68 100644
--- a/library/network/http_client/http_client-safe.ecf
+++ b/library/network/http_client/http_client-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="628F5A96-021B-4191-926B-B3BF49272866" message="Obsolete: use http_client.ecf !" location="http_client.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="628F5A96-021B-4191-926B-B3BF49272866" message="Obsolete: use http_client.ecf !" location="http_client.ecf">
 </redirection>
diff --git a/library/network/http_client/http_client.ecf b/library/network/http_client/http_client.ecf
index 58aee379..936d365a 100644
--- a/library/network/http_client/http_client.ecf
+++ b/library/network/http_client/http_client.ecf
@@ -1,11 +1,11 @@
 <?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="http_client" uuid="628F5A96-021B-4191-926B-B3BF49272866" library_target="http_client">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="http_client" uuid="628F5A96-021B-4191-926B-B3BF49272866" library_target="http_client">
 	<target name="http_client">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="curl" location="$ISE_LIBRARY\library\cURL\cURL.ecf">
diff --git a/library/network/http_client/libcurl_http_client-safe.ecf b/library/network/http_client/libcurl_http_client-safe.ecf
index 4cd298a1..cd0bc7f2 100644
--- a/library/network/http_client/libcurl_http_client-safe.ecf
+++ b/library/network/http_client/libcurl_http_client-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="FA686EE7-D01D-43A3-8E95-A00120658040" message="Obsolete: use libcurl_http_client.ecf !" location="libcurl_http_client.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="FA686EE7-D01D-43A3-8E95-A00120658040" message="Obsolete: use libcurl_http_client.ecf !" location="libcurl_http_client.ecf">
 </redirection>
diff --git a/library/network/http_client/libcurl_http_client.ecf b/library/network/http_client/libcurl_http_client.ecf
index b3eaee60..5c53de2b 100644
--- a/library/network/http_client/libcurl_http_client.ecf
+++ b/library/network/http_client/libcurl_http_client.ecf
@@ -1,11 +1,11 @@
 <?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="libcurl_http_client" uuid="FA686EE7-D01D-43A3-8E95-A00120658040" library_target="libcurl_http_client">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="libcurl_http_client" uuid="FA686EE7-D01D-43A3-8E95-A00120658040" library_target="libcurl_http_client">
 	<target name="libcurl_http_client">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="curl" location="$ISE_LIBRARY\library\cURL\cURL.ecf"/>
diff --git a/library/network/http_client/net_http_client-safe.ecf b/library/network/http_client/net_http_client-safe.ecf
index 007a6d29..3432f11a 100644
--- a/library/network/http_client/net_http_client-safe.ecf
+++ b/library/network/http_client/net_http_client-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="7897B317-7AD3-44E4-A933-0544A169AB1B" message="Obsolete: use net_http_client.ecf !" location="net_http_client.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="7897B317-7AD3-44E4-A933-0544A169AB1B" message="Obsolete: use net_http_client.ecf !" location="net_http_client.ecf">
 </redirection>
diff --git a/library/network/http_client/net_http_client.ecf b/library/network/http_client/net_http_client.ecf
index 9c8d96dd..17fb031e 100644
--- a/library/network/http_client/net_http_client.ecf
+++ b/library/network/http_client/net_http_client.ecf
@@ -1,11 +1,11 @@
 <?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="http_client" uuid="7897B317-7AD3-44E4-A933-0544A169AB1B" library_target="net_http_client">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="http_client" uuid="7897B317-7AD3-44E4-A933-0544A169AB1B" library_target="net_http_client">
 	<target name="net_http_client">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="encoder" location="..\..\text\encoder\encoder.ecf"/>
diff --git a/library/network/http_client/tests/test.ecf b/library/network/http_client/tests/test.ecf
index e15b06de..487d9338 100644
--- a/library/network/http_client/tests/test.ecf
+++ b/library/network/http_client/tests/test.ecf
@@ -1,11 +1,11 @@
 <?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="test_http_client" uuid="920E5C50-41E1-4DAC-8D48-D9C860E49228">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="test_http_client" uuid="920E5C50-41E1-4DAC-8D48-D9C860E49228">
 	<target name="test_http_client">
 		<root class="TEST" feature="make"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/library/network/http_network/http_network-safe.ecf b/library/network/http_network/http_network-safe.ecf
index 4d5d09f5..a26b029e 100644
--- a/library/network/http_network/http_network-safe.ecf
+++ b/library/network/http_network/http_network-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="7C7AD84D-B7BD-4709-B4B2-9365B86582AE" message="Obsolete: use http_network.ecf !" location="http_network.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="7C7AD84D-B7BD-4709-B4B2-9365B86582AE" message="Obsolete: use http_network.ecf !" location="http_network.ecf">
 </redirection>
diff --git a/library/network/http_network/http_network.ecf b/library/network/http_network/http_network.ecf
index e07bdcb6..bca77389 100644
--- a/library/network/http_network/http_network.ecf
+++ b/library/network/http_network/http_network.ecf
@@ -1,11 +1,11 @@
 <?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="http_network" uuid="7C7AD84D-B7BD-4709-B4B2-9365B86582AE" library_target="http_network">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="http_network" uuid="7C7AD84D-B7BD-4709-B4B2-9365B86582AE" library_target="http_network">
 	<target name="http_network">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
 		<external_include location="$ECF_CONFIG_PATH/spec/include"/>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
@@ -27,21 +27,21 @@
 					<custom name="ssl_enabled" excluded_value="true"/>
 				</condition>
 			</cluster>
-			<cluster name="ssl_network" location="$|ssl\" recursive="false">
+			<cluster name="ssl_network" location="$|ssl\">
 				<condition>
 					<custom name="ssl_enabled" value="true"/>
 				</condition>
 				<file_rule>
 					<exclude>/http_stream_secure_socket_ext\.e$</exclude>
 					<condition>
-						<version type="compiler" max="18.05.0.0"/>
+						<version type="compiler" max="18.5.0.0"/>
 					</condition>
 				</file_rule>
 			</cluster>
-			<cluster name="ssl_network_until_18_05" location="$|ssl\until_18.05" recursive="true">
+			<cluster name="ssl_network_until_18_05" location="$|ssl\until_18.05\" recursive="true">
 				<condition>
+					<version type="compiler" max="18.5.0.0"/>
 					<custom name="ssl_enabled" value="true"/>
-					<version type="compiler" max="18.05.0.0"/>
 				</condition>
 			</cluster>
 		</cluster>
diff --git a/library/network/protocol/content_negotiation/conneg-safe.ecf b/library/network/protocol/content_negotiation/conneg-safe.ecf
index f1fbd940..8ddfd045 100644
--- a/library/network/protocol/content_negotiation/conneg-safe.ecf
+++ b/library/network/protocol/content_negotiation/conneg-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="D15DC4C4-D74F-4E4B-B4B1-2B03A35A284D" message="Obsolete: use conneg.ecf !" location="conneg.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="D15DC4C4-D74F-4E4B-B4B1-2B03A35A284D" message="Obsolete: use conneg.ecf !" location="conneg.ecf">
 </redirection>
diff --git a/library/network/protocol/content_negotiation/conneg.ecf b/library/network/protocol/content_negotiation/conneg.ecf
index cd6165cf..d4f4e7f5 100644
--- a/library/network/protocol/content_negotiation/conneg.ecf
+++ b/library/network/protocol/content_negotiation/conneg.ecf
@@ -1,15 +1,13 @@
 <?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="conneg" uuid="D15DC4C4-D74F-4E4B-B4B1-2B03A35A284D" library_target="conneg">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="conneg" uuid="D15DC4C4-D74F-4E4B-B4B1-2B03A35A284D" library_target="conneg">
 	<target name="conneg">
 		<root all_classes="true"/>
 		<file_rule>
-			<exclude>/\.git$</exclude>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.git$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="http" location="..\http\http.ecf" readonly="false"/>
 		<cluster name="conneg" location=".\src\" recursive="true">
diff --git a/library/network/protocol/content_negotiation/test/test.ecf b/library/network/protocol/content_negotiation/test/test.ecf
index 3e78c1a0..3607524e 100644
--- a/library/network/protocol/content_negotiation/test/test.ecf
+++ b/library/network/protocol/content_negotiation/test/test.ecf
@@ -1,12 +1,12 @@
 <?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="test_conneg" uuid="7860561C-779A-4E45-A7B9-06A1E0E984E8">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="test_conneg" uuid="7860561C-779A-4E45-A7B9-06A1E0E984E8">
 	<target name="test_conneg">
 		<root class="APPLICATION" feature="make"/>
 		<file_rule>
-			<exclude>/\.git$</exclude>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.git$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/library/network/protocol/http/http-safe.ecf b/library/network/protocol/http/http-safe.ecf
index 7e52f63d..1fc403d0 100644
--- a/library/network/protocol/http/http-safe.ecf
+++ b/library/network/protocol/http/http-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="F8BE3C55-88E8-4103-A936-B1E5CB1D330E" message="Obsolete: use http.ecf !" location="http.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="F8BE3C55-88E8-4103-A936-B1E5CB1D330E" message="Obsolete: use http.ecf !" location="http.ecf">
 </redirection>
diff --git a/library/network/protocol/http/http.ecf b/library/network/protocol/http/http.ecf
index ca4cdf32..55389381 100644
--- a/library/network/protocol/http/http.ecf
+++ b/library/network/protocol/http/http.ecf
@@ -1,14 +1,12 @@
 <?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="http" uuid="F8BE3C55-88E8-4103-A936-B1E5CB1D330E" library_target="http">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="http" uuid="F8BE3C55-88E8-4103-A936-B1E5CB1D330E" library_target="http">
 	<target name="http">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="time" location="$ISE_LIBRARY\library\time\time.ecf"/>
 		<cluster name="src" location=".\" recursive="true">
diff --git a/library/network/protocol/http/tests/tests.ecf b/library/network/protocol/http/tests/tests.ecf
index 4c0ceaec..9d9b702d 100644
--- a/library/network/protocol/http/tests/tests.ecf
+++ b/library/network/protocol/http/tests/tests.ecf
@@ -1,11 +1,11 @@
 <?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="http_tests" uuid="0582ACC2-11D8-4FE5-888D-61837BA8F43E">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="http_tests" uuid="0582ACC2-11D8-4FE5-888D-61837BA8F43E">
 	<target name="http_tests">
 		<root class="AUTOTEST" feature="make"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true"/>
diff --git a/library/network/websocket/client/example/ws_client/ws_client.ecf b/library/network/websocket/client/example/ws_client/ws_client.ecf
index 2efdb434..ab331d0e 100644
--- a/library/network/websocket/client/example/ws_client/ws_client.ecf
+++ b/library/network/websocket/client/example/ws_client/ws_client.ecf
@@ -1,11 +1,11 @@
 <?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="ws_client" uuid="AF6EDC56-D7B4-4E1F-A62B-40EBED3D93DF">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="ws_client" uuid="AF6EDC56-D7B4-4E1F-A62B-40EBED3D93DF">
 	<target name="common">
 		<file_rule>
-			<exclude>/\.git$</exclude>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.git$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/library/network/websocket/client/web_socket_client-safe.ecf b/library/network/websocket/client/web_socket_client-safe.ecf
index e6f51f09..3b22e971 100644
--- a/library/network/websocket/client/web_socket_client-safe.ecf
+++ b/library/network/websocket/client/web_socket_client-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="EE010507-597F-4FAD-8EFA-B7251E800911" message="Obsolete: use web_socket_client.ecf !" location="web_socket_client.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="EE010507-597F-4FAD-8EFA-B7251E800911" message="Obsolete: use web_socket_client.ecf !" location="web_socket_client.ecf">
 </redirection>
diff --git a/library/network/websocket/client/web_socket_client.ecf b/library/network/websocket/client/web_socket_client.ecf
index 5a197e17..8cb830b0 100644
--- a/library/network/websocket/client/web_socket_client.ecf
+++ b/library/network/websocket/client/web_socket_client.ecf
@@ -1,15 +1,13 @@
 <?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="web_socket_client" uuid="EE010507-597F-4FAD-8EFA-B7251E800911" library_target="web_socket_client">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="web_socket_client" uuid="EE010507-597F-4FAD-8EFA-B7251E800911" library_target="web_socket_client">
 	<target name="web_socket_client">
 		<root all_classes="true"/>
 		<file_rule>
-			<exclude>/\.git$</exclude>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.git$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="crypto" location="$ISE_LIBRARY\unstable\library\text\encryption\crypto\crypto.ecf"/>
 		<library name="encoder" location="$ISE_LIBRARY\contrib\library\web\framework\ewf\text\encoder\encoder.ecf"/>
diff --git a/library/network/websocket/protocol/web_socket_protocol-safe.ecf b/library/network/websocket/protocol/web_socket_protocol-safe.ecf
index 65e42fa6..5ea97d54 100644
--- a/library/network/websocket/protocol/web_socket_protocol-safe.ecf
+++ b/library/network/websocket/protocol/web_socket_protocol-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="97582991-7BF3-4F4D-8944-8141ADE34274" message="Obsolete: use web_socket_protocol.ecf !" location="web_socket_protocol.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="97582991-7BF3-4F4D-8944-8141ADE34274" message="Obsolete: use web_socket_protocol.ecf !" location="web_socket_protocol.ecf">
 </redirection>
diff --git a/library/network/websocket/protocol/web_socket_protocol.ecf b/library/network/websocket/protocol/web_socket_protocol.ecf
index 9b853327..5d9b8dd4 100644
--- a/library/network/websocket/protocol/web_socket_protocol.ecf
+++ b/library/network/websocket/protocol/web_socket_protocol.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="protocol" uuid="97582991-7BF3-4F4D-8944-8141ADE34274" library_target="protocol">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="protocol" uuid="97582991-7BF3-4F4D-8944-8141ADE34274" library_target="protocol">
 	<target name="protocol">
 		<root all_classes="true"/>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
diff --git a/library/network/websocket/server/example/echo_websocket_server/echo_websocket_server.ecf b/library/network/websocket/server/example/echo_websocket_server/echo_websocket_server.ecf
index fb865f91..66c920bf 100644
--- a/library/network/websocket/server/example/echo_websocket_server/echo_websocket_server.ecf
+++ b/library/network/websocket/server/example/echo_websocket_server/echo_websocket_server.ecf
@@ -1,11 +1,11 @@
 <?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="echo_websocket_server" uuid="C9B3DA5F-DF0D-4C0F-924A-130B5C1E6604">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="echo_websocket_server" uuid="C9B3DA5F-DF0D-4C0F-924A-130B5C1E6604">
 	<target name="common" abstract="true">
 		<file_rule>
-			<exclude>/\.git$</exclude>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.git$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option debug="true" warning="true">
 			<debug name="ws" enabled="true"/>
diff --git a/library/network/websocket/server/websocket_server-safe.ecf b/library/network/websocket/server/websocket_server-safe.ecf
index 610c89cb..13b16b51 100644
--- a/library/network/websocket/server/websocket_server-safe.ecf
+++ b/library/network/websocket/server/websocket_server-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="FDD2276B-7149-4490-9E09-46AFEA122D1E" message="Obsolete: use websocket_server.ecf !" location="websocket_server.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="FDD2276B-7149-4490-9E09-46AFEA122D1E" message="Obsolete: use websocket_server.ecf !" location="websocket_server.ecf">
 </redirection>
diff --git a/library/network/websocket/server/websocket_server.ecf b/library/network/websocket/server/websocket_server.ecf
index c71e337b..13ff7743 100644
--- a/library/network/websocket/server/websocket_server.ecf
+++ b/library/network/websocket/server/websocket_server.ecf
@@ -1,15 +1,13 @@
 <?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="websocket_server" uuid="FDD2276B-7149-4490-9E09-46AFEA122D1E" library_target="websocket_server">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="websocket_server" uuid="FDD2276B-7149-4490-9E09-46AFEA122D1E" library_target="websocket_server">
 	<target name="websocket_server">
 		<root all_classes="true"/>
 		<file_rule>
-			<exclude>/\.git$</exclude>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.git$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="crypto" location="$ISE_LIBRARY\unstable\library\text\encryption\crypto\crypto.ecf"/>
 		<library name="encoder" location="..\..\..\text\encoder\encoder.ecf"/>
diff --git a/library/runtime/process/notification_email/notification_email-safe.ecf b/library/runtime/process/notification_email/notification_email-safe.ecf
index 06189333..b5bc2c1f 100644
--- a/library/runtime/process/notification_email/notification_email-safe.ecf
+++ b/library/runtime/process/notification_email/notification_email-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="99D9A065-CD45-4E20-9C86-579C8AD42E5E" message="Obsolete: use notification_email.ecf !" location="notification_email.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="99D9A065-CD45-4E20-9C86-579C8AD42E5E" message="Obsolete: use notification_email.ecf !" location="notification_email.ecf">
 </redirection>
diff --git a/library/runtime/process/notification_email/notification_email.ecf b/library/runtime/process/notification_email/notification_email.ecf
index b2ae85e9..78f660ba 100644
--- a/library/runtime/process/notification_email/notification_email.ecf
+++ b/library/runtime/process/notification_email/notification_email.ecf
@@ -1,14 +1,12 @@
 <?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="notification_email" uuid="99D9A065-CD45-4E20-9C86-579C8AD42E5E" library_target="notification_email">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="notification_email" uuid="99D9A065-CD45-4E20-9C86-579C8AD42E5E" library_target="notification_email">
 	<target name="notification_email">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="base_process" location="$ISE_LIBRARY\library\process\base\base_process.ecf">
 			<condition>
diff --git a/library/security/jwt/jwt-safe.ecf b/library/security/jwt/jwt-safe.ecf
index 075633dd..1e6efffa 100644
--- a/library/security/jwt/jwt-safe.ecf
+++ b/library/security/jwt/jwt-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="A75C2D84-D543-4708-BAF3-254C308376CC" message="Obsolete: use jwt.ecf !" location="jwt.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="A75C2D84-D543-4708-BAF3-254C308376CC" message="Obsolete: use jwt.ecf !" location="jwt.ecf">
 </redirection>
diff --git a/library/security/jwt/jwt.ecf b/library/security/jwt/jwt.ecf
index 64ea70b9..0f88a572 100644
--- a/library/security/jwt/jwt.ecf
+++ b/library/security/jwt/jwt.ecf
@@ -1,9 +1,7 @@
 <?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="jwt" uuid="A75C2D84-D543-4708-BAF3-254C308376CC" library_target="jwt">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="jwt" uuid="A75C2D84-D543-4708-BAF3-254C308376CC" library_target="jwt">
 	<target name="jwt">
 		<root all_classes="true"/>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="crypto" location="$ISE_LIBRARY\unstable\library\text\encryption\crypto\crypto.ecf"/>
 		<library name="encoder" location="$ISE_LIBRARY\contrib\library\web\framework\ewf\text\encoder\encoder.ecf"/>
diff --git a/library/security/jwt/testing/testing.ecf b/library/security/jwt/testing/testing.ecf
index 09486123..f1664f0e 100644
--- a/library/security/jwt/testing/testing.ecf
+++ b/library/security/jwt/testing/testing.ecf
@@ -1,9 +1,7 @@
 <?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="testing" uuid="DB49E98A-0048-414A-A469-EE9B5B903BF3">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="testing" uuid="DB49E98A-0048-414A-A469-EE9B5B903BF3">
 	<target name="testing">
 		<root class="ANY" feature="default_create"/>
-		<option warning="true">
-		</option>
 		<setting name="console_application" value="true"/>
 		<capability>
 			<concurrency support="none" use="none"/>
diff --git a/library/security/openid/consumer/demo/demo-safe.ecf b/library/security/openid/consumer/demo/demo-safe.ecf
index 3220946d..0ea5b10c 100644
--- a/library/security/openid/consumer/demo/demo-safe.ecf
+++ b/library/security/openid/consumer/demo/demo-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="DC4D6549-D5F4-4E1A-959A-6BD536737A21" message="Obsolete: use demo.ecf !" location="demo.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="DC4D6549-D5F4-4E1A-959A-6BD536737A21" message="Obsolete: use demo.ecf !" location="demo.ecf">
 </redirection>
diff --git a/library/security/openid/consumer/demo/demo.ecf b/library/security/openid/consumer/demo/demo.ecf
index 2c51fa43..94b17e74 100644
--- a/library/security/openid/consumer/demo/demo.ecf
+++ b/library/security/openid/consumer/demo/demo.ecf
@@ -1,11 +1,11 @@
 <?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="demo" uuid="DC4D6549-D5F4-4E1A-959A-6BD536737A21">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="demo" uuid="DC4D6549-D5F4-4E1A-959A-6BD536737A21">
 	<target name="demo">
 		<root class="APPLICATION" feature="make_and_launch"/>
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/library/security/openid/consumer/openid-safe.ecf b/library/security/openid/consumer/openid-safe.ecf
index d6fc87c8..e87a010d 100644
--- a/library/security/openid/consumer/openid-safe.ecf
+++ b/library/security/openid/consumer/openid-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="FCDB4F81-31EC-462B-9183-D506E6798C0B" message="Obsolete: use openid.ecf !" location="openid.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="FCDB4F81-31EC-462B-9183-D506E6798C0B" message="Obsolete: use openid.ecf !" location="openid.ecf">
 </redirection>
diff --git a/library/security/openid/consumer/openid.ecf b/library/security/openid/consumer/openid.ecf
index a94a449e..fc3bb913 100644
--- a/library/security/openid/consumer/openid.ecf
+++ b/library/security/openid/consumer/openid.ecf
@@ -1,14 +1,12 @@
 <?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="openid" uuid="FCDB4F81-31EC-462B-9183-D506E6798C0B" library_target="openid">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="openid" uuid="FCDB4F81-31EC-462B-9183-D506E6798C0B" library_target="openid">
 	<target name="openid">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="curl" location="$ISE_LIBRARY\library\cURL\cURL.ecf" readonly="false"/>
 		<library name="http_client" location="..\..\..\network\http_client\http_client.ecf"/>
diff --git a/library/security/openid/consumer/tests/tests.ecf b/library/security/openid/consumer/tests/tests.ecf
index 497ab39b..aea68698 100644
--- a/library/security/openid/consumer/tests/tests.ecf
+++ b/library/security/openid/consumer/tests/tests.ecf
@@ -1,14 +1,12 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="openid_consumer_tests" uuid="A36A6621-CF4A-4FB6-8CB2-D420D630A134">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="openid_consumer_tests" uuid="A36A6621-CF4A-4FB6-8CB2-D420D630A134">
 	<target name="openid_consumer_tests">
 		<root class="APPLICATION" feature="make"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<capability>
 			<concurrency support="none" use="none"/>
 		</capability>
diff --git a/library/server/authentication/http_authorization/example/demo_basic_auth.ecf b/library/server/authentication/http_authorization/example/demo_basic_auth.ecf
index 8b427abf..e18010e8 100644
--- a/library/server/authentication/http_authorization/example/demo_basic_auth.ecf
+++ b/library/server/authentication/http_authorization/example/demo_basic_auth.ecf
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="basic" uuid="9CB82EB8-CA38-44CD-9CC8-EBC56401BBB2">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="basic" uuid="9CB82EB8-CA38-44CD-9CC8-EBC56401BBB2">
 	<target name="basic">
 		<root class="DEMO_BASIC" feature="make_and_launch"/>
 		<file_rule>
-			<exclude>/\.svn$</exclude>
 			<exclude>/CVS$</exclude>
 			<exclude>/EIFGENs$</exclude>
+			<exclude>/\.svn$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/library/server/authentication/http_authorization/http_authorization-safe.ecf b/library/server/authentication/http_authorization/http_authorization-safe.ecf
index 48f5a40e..dbba22ef 100644
--- a/library/server/authentication/http_authorization/http_authorization-safe.ecf
+++ b/library/server/authentication/http_authorization/http_authorization-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="321674DB-CE7C-417C-ADE8-64CFA376CD3E" message="Obsolete: use http_authorization.ecf !" location="http_authorization.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="321674DB-CE7C-417C-ADE8-64CFA376CD3E" message="Obsolete: use http_authorization.ecf !" location="http_authorization.ecf">
 </redirection>
diff --git a/library/server/authentication/http_authorization/http_authorization.ecf b/library/server/authentication/http_authorization/http_authorization.ecf
index 3495174d..bf202924 100644
--- a/library/server/authentication/http_authorization/http_authorization.ecf
+++ b/library/server/authentication/http_authorization/http_authorization.ecf
@@ -1,14 +1,12 @@
 <?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="http_authorization" uuid="321674DB-CE7C-417C-ADE8-64CFA376CD3E" library_target="http_authorization">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="http_authorization" uuid="321674DB-CE7C-417C-ADE8-64CFA376CD3E" library_target="http_authorization">
 	<target name="http_authorization">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="encoder" location="..\..\..\text\encoder\encoder.ecf"/>
 		<cluster name="src" location=".\src\" recursive="true"/>
diff --git a/library/server/authentication/http_authorization/testing/testing.ecf b/library/server/authentication/http_authorization/testing/testing.ecf
index cbd22c73..029f45e5 100644
--- a/library/server/authentication/http_authorization/testing/testing.ecf
+++ b/library/server/authentication/http_authorization/testing/testing.ecf
@@ -1,11 +1,11 @@
 <?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="http_auth_testing" uuid="1AEF36BD-FB72-4B52-8845-4EF4AC7B709A">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="http_auth_testing" uuid="1AEF36BD-FB72-4B52-8845-4EF4AC7B709A">
 	<target name="http_auth_testing">
 		<root class="ANY" feature="default_create"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
diff --git a/library/server/ewsgi/connectors/cgi/cgi-safe.ecf b/library/server/ewsgi/connectors/cgi/cgi-safe.ecf
index ca144501..2ad28637 100644
--- a/library/server/ewsgi/connectors/cgi/cgi-safe.ecf
+++ b/library/server/ewsgi/connectors/cgi/cgi-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="3BCBC1C5-9D99-45BB-B15D-B03D2C069CED" message="Obsolete: use cgi.ecf !" location="cgi.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="3BCBC1C5-9D99-45BB-B15D-B03D2C069CED" message="Obsolete: use cgi.ecf !" location="cgi.ecf">
 </redirection>
diff --git a/library/server/ewsgi/connectors/cgi/cgi.ecf b/library/server/ewsgi/connectors/cgi/cgi.ecf
index 331cb277..852789d8 100644
--- a/library/server/ewsgi/connectors/cgi/cgi.ecf
+++ b/library/server/ewsgi/connectors/cgi/cgi.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="connector_cgi" uuid="3BCBC1C5-9D99-45BB-B15D-B03D2C069CED" library_target="connector_cgi">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="connector_cgi" uuid="3BCBC1C5-9D99-45BB-B15D-B03D2C069CED" library_target="connector_cgi">
 	<target name="connector_cgi">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="encoder" location="..\..\..\..\text\encoder\encoder.ecf"/>
 		<library name="ewsgi" location="..\..\ewsgi.ecf" readonly="false"/>
diff --git a/library/server/ewsgi/connectors/libfcgi/libfcgi-safe.ecf b/library/server/ewsgi/connectors/libfcgi/libfcgi-safe.ecf
index 87ac1628..81c0a6fc 100644
--- a/library/server/ewsgi/connectors/libfcgi/libfcgi-safe.ecf
+++ b/library/server/ewsgi/connectors/libfcgi/libfcgi-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="59C57E56-3EE6-4EF7-873F-7ED084B0EB22" message="Obsolete: use libfcgi.ecf !" location="libfcgi.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="59C57E56-3EE6-4EF7-873F-7ED084B0EB22" message="Obsolete: use libfcgi.ecf !" location="libfcgi.ecf">
 </redirection>
diff --git a/library/server/ewsgi/connectors/libfcgi/libfcgi.ecf b/library/server/ewsgi/connectors/libfcgi/libfcgi.ecf
index 6e9c64f3..2d3a3e78 100644
--- a/library/server/ewsgi/connectors/libfcgi/libfcgi.ecf
+++ b/library/server/ewsgi/connectors/libfcgi/libfcgi.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="connector_libfcgi" uuid="59C57E56-3EE6-4EF7-873F-7ED084B0EB22" library_target="connector_libfcgi">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="connector_libfcgi" uuid="59C57E56-3EE6-4EF7-873F-7ED084B0EB22" library_target="connector_libfcgi">
 	<target name="connector_libfcgi">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="encoder" location="..\..\..\..\text\encoder\encoder.ecf"/>
 		<library name="ewsgi" location="..\..\ewsgi.ecf"/>
diff --git a/library/server/ewsgi/connectors/nino/nino-safe.ecf b/library/server/ewsgi/connectors/nino/nino-safe.ecf
index f479519a..3b9dd1fd 100644
--- a/library/server/ewsgi/connectors/nino/nino-safe.ecf
+++ b/library/server/ewsgi/connectors/nino/nino-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="F91861FB-4FEA-455F-9570-828D7903DC64" message="Obsolete: use nino.ecf !" location="nino.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="F91861FB-4FEA-455F-9570-828D7903DC64" message="Obsolete: use nino.ecf !" location="nino.ecf">
 </redirection>
diff --git a/library/server/ewsgi/connectors/nino/nino.ecf b/library/server/ewsgi/connectors/nino/nino.ecf
index f4c0b793..cf3b4780 100644
--- a/library/server/ewsgi/connectors/nino/nino.ecf
+++ b/library/server/ewsgi/connectors/nino/nino.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="connector_nino" uuid="F91861FB-4FEA-455F-9570-828D7903DC64" library_target="connector_nino">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="connector_nino" uuid="F91861FB-4FEA-455F-9570-828D7903DC64" library_target="connector_nino">
 	<target name="connector_nino">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<capability>
 			<concurrency support="thread" use="thread"/>
 		</capability>
diff --git a/library/server/ewsgi/connectors/null/null-safe.ecf b/library/server/ewsgi/connectors/null/null-safe.ecf
index 697cec65..5238e39a 100644
--- a/library/server/ewsgi/connectors/null/null-safe.ecf
+++ b/library/server/ewsgi/connectors/null/null-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="D55DC7A7-AAFA-43C6-B432-A192FF64141E" message="Obsolete: use null.ecf !" location="null.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="D55DC7A7-AAFA-43C6-B432-A192FF64141E" message="Obsolete: use null.ecf !" location="null.ecf">
 </redirection>
diff --git a/library/server/ewsgi/connectors/null/null.ecf b/library/server/ewsgi/connectors/null/null.ecf
index 64b2c082..df25d753 100644
--- a/library/server/ewsgi/connectors/null/null.ecf
+++ b/library/server/ewsgi/connectors/null/null.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="connector_null" uuid="D55DC7A7-AAFA-43C6-B432-A192FF64141E" library_target="connector_null">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="connector_null" uuid="D55DC7A7-AAFA-43C6-B432-A192FF64141E" library_target="connector_null">
 	<target name="connector_null">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="ewsgi" location="..\..\ewsgi.ecf" readonly="false"/>
 		<library name="http" location="..\..\..\..\network\protocol\http\http.ecf"/>
diff --git a/library/server/ewsgi/connectors/standalone/standalone-safe.ecf b/library/server/ewsgi/connectors/standalone/standalone-safe.ecf
index ac16a883..ea27b5fc 100644
--- a/library/server/ewsgi/connectors/standalone/standalone-safe.ecf
+++ b/library/server/ewsgi/connectors/standalone/standalone-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="49C99A6E-CCC1-4015-81F6-D7C43B592034" message="Obsolete: use standalone.ecf !" location="standalone.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="49C99A6E-CCC1-4015-81F6-D7C43B592034" message="Obsolete: use standalone.ecf !" location="standalone.ecf">
 </redirection>
diff --git a/library/server/ewsgi/connectors/standalone/standalone.ecf b/library/server/ewsgi/connectors/standalone/standalone.ecf
index 445e9b93..a148180e 100644
--- a/library/server/ewsgi/connectors/standalone/standalone.ecf
+++ b/library/server/ewsgi/connectors/standalone/standalone.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="connector_standalone" uuid="49C99A6E-CCC1-4015-81F6-D7C43B592034" library_target="connector_standalone">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="connector_standalone" uuid="49C99A6E-CCC1-4015-81F6-D7C43B592034" library_target="connector_standalone">
 	<target name="connector_standalone">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="encoder" location="..\..\..\..\text\encoder\encoder.ecf"/>
 		<library name="ewsgi" location="..\..\ewsgi.ecf" readonly="false"/>
diff --git a/library/server/ewsgi/connectors/standalone/test_standalone.ecf b/library/server/ewsgi/connectors/standalone/test_standalone.ecf
index f3e50fee..3d0f46a1 100644
--- a/library/server/ewsgi/connectors/standalone/test_standalone.ecf
+++ b/library/server/ewsgi/connectors/standalone/test_standalone.ecf
@@ -1,8 +1,8 @@
 <?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="test_connector_standalone" uuid="BA1C9760-8ECD-4182-8354-5D880F2FC81B">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="test_connector_standalone" uuid="BA1C9760-8ECD-4182-8354-5D880F2FC81B">
 	<target name="test_standalone_scoop">
 		<root class="TEST_STANDALONE_CONNECTOR" feature="make"/>
-		<option debug="true">
+		<option debug="true" warning="false">
 			<debug name="dbglog" enabled="true"/>
 			<assertions precondition="true" postcondition="true" check="true" supplier_precondition="true"/>
 		</option>
diff --git a/library/server/ewsgi/ewsgi-safe.ecf b/library/server/ewsgi/ewsgi-safe.ecf
index 2abfda29..b0b91b90 100644
--- a/library/server/ewsgi/ewsgi-safe.ecf
+++ b/library/server/ewsgi/ewsgi-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="D924DBE1-1231-434A-80EF-234BA09D1E30" message="Obsolete: use ewsgi.ecf !" location="ewsgi.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="D924DBE1-1231-434A-80EF-234BA09D1E30" message="Obsolete: use ewsgi.ecf !" location="ewsgi.ecf">
 </redirection>
diff --git a/library/server/ewsgi/ewsgi.ecf b/library/server/ewsgi/ewsgi.ecf
index 8e8b162c..a7b373ed 100644
--- a/library/server/ewsgi/ewsgi.ecf
+++ b/library/server/ewsgi/ewsgi.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" uuid="D924DBE1-1231-434A-80EF-234BA09D1E30" library_target="ewsgi">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="ewsgi" uuid="D924DBE1-1231-434A-80EF-234BA09D1E30" library_target="ewsgi">
 	<target name="ewsgi">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="encoder" location="..\..\text\encoder\encoder.ecf" readonly="false"/>
 		<library name="error" location="..\..\utility\general\error\error.ecf"/>
diff --git a/library/server/ewsgi/ewsgi_spec-safe.ecf b/library/server/ewsgi/ewsgi_spec-safe.ecf
index 6d38ecf8..57329175 100644
--- a/library/server/ewsgi/ewsgi_spec-safe.ecf
+++ b/library/server/ewsgi/ewsgi_spec-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="AA193B9F-02FD-47B9-B60D-C42B9AB35E1C" message="Obsolete: use ewsgi_spec.ecf !" location="ewsgi_spec.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="AA193B9F-02FD-47B9-B60D-C42B9AB35E1C" message="Obsolete: use ewsgi_spec.ecf !" location="ewsgi_spec.ecf">
 </redirection>
diff --git a/library/server/ewsgi/ewsgi_spec.ecf b/library/server/ewsgi/ewsgi_spec.ecf
index 79f941dd..e20a5e9f 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-1-18-0" 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">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="ewsgi_spec" uuid="AA193B9F-02FD-47B9-B60D-C42B9AB35E1C" library_target="ewsgi_spec">
 	<target name="ewsgi_spec">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="encoder" location="..\..\text\encoder\encoder.ecf"/>
 		<library name="http" location="..\..\network\protocol\http\http.ecf"/>
diff --git a/library/server/ewsgi/examples/hello_world/hello.ecf b/library/server/ewsgi/examples/hello_world/hello.ecf
index c7975849..20b67b17 100644
--- a/library/server/ewsgi/examples/hello_world/hello.ecf
+++ b/library/server/ewsgi/examples/hello_world/hello.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="hello_world" uuid="734385F1-0D17-4B5F-9138-24DC8D4F06C6">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="hello_world" uuid="734385F1-0D17-4B5F-9138-24DC8D4F06C6">
 	<target name="hello_world">
 		<root class="HELLO_WORLD" feature="make"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="connector_standalone" location="..\..\connectors\standalone\standalone.ecf" readonly="false"/>
 		<library name="ewsgi" location="..\..\ewsgi.ecf" readonly="false"/>
diff --git a/library/server/httpd/httpd-safe.ecf b/library/server/httpd/httpd-safe.ecf
index eb953c50..cd9fc17f 100644
--- a/library/server/httpd/httpd-safe.ecf
+++ b/library/server/httpd/httpd-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="50FE258D-CC94-4748-9223-55F1129E5FB3" message="Obsolete: use httpd.ecf !" location="httpd.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="50FE258D-CC94-4748-9223-55F1129E5FB3" message="Obsolete: use httpd.ecf !" location="httpd.ecf">
 </redirection>
diff --git a/library/server/httpd/httpd.ecf b/library/server/httpd/httpd.ecf
index 9f10b47d..048afd8e 100644
--- a/library/server/httpd/httpd.ecf
+++ b/library/server/httpd/httpd.ecf
@@ -1,11 +1,11 @@
 <?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="httpd" uuid="50FE258D-CC94-4748-9223-55F1129E5FB3" library_target="httpd">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="httpd" uuid="50FE258D-CC94-4748-9223-55F1129E5FB3" library_target="httpd">
 	<target name="httpd">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="http_network" location="..\..\network\http_network\http_network.ecf" readonly="false"/>
diff --git a/library/server/libfcgi/libfcgi-safe.ecf b/library/server/libfcgi/libfcgi-safe.ecf
index fc19a31b..0a0a3da9 100644
--- a/library/server/libfcgi/libfcgi-safe.ecf
+++ b/library/server/libfcgi/libfcgi-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="3F4BCF74-3503-4533-9D74-5A65EC4CA3C4" message="Obsolete: use libfcgi.ecf !" location="libfcgi.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="3F4BCF74-3503-4533-9D74-5A65EC4CA3C4" message="Obsolete: use libfcgi.ecf !" location="libfcgi.ecf">
 </redirection>
diff --git a/library/server/libfcgi/libfcgi.ecf b/library/server/libfcgi/libfcgi.ecf
index 120167c6..2fd8a279 100644
--- a/library/server/libfcgi/libfcgi.ecf
+++ b/library/server/libfcgi/libfcgi.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="libfcgi" uuid="3F4BCF74-3503-4533-9D74-5A65EC4CA3C4" library_target="libfcgi">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="libfcgi" uuid="3F4BCF74-3503-4533-9D74-5A65EC4CA3C4" library_target="libfcgi">
 	<target name="libfcgi">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<external_include location="$ECF_CONFIG_PATH/spec/include/libfcgi">
 			<condition>
 				<platform excluded_value="windows"/>
diff --git a/library/server/libfcgi/tests/eiffelweb.ecf b/library/server/libfcgi/tests/eiffelweb.ecf
index d9ca400f..7199ada1 100644
--- a/library/server/libfcgi/tests/eiffelweb.ecf
+++ b/library/server/libfcgi/tests/eiffelweb.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="test_libfcgi" uuid="6A03BC65-BD03-4B68-B51E-2543F9471D42">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="test_libfcgi" uuid="6A03BC65-BD03-4B68-B51E-2543F9471D42">
 	<target name="test_libfcgi">
 		<root cluster="application" class="APPLICATION_ROOT" feature="make"/>
 		<file_rule>
diff --git a/library/server/wsf/connector/all-safe.ecf b/library/server/wsf/connector/all-safe.ecf
index c091dccd..934ca539 100644
--- a/library/server/wsf/connector/all-safe.ecf
+++ b/library/server/wsf/connector/all-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="223E2E7D-AA90-4ADC-93CB-D304E794E3E6" message="Obsolete: use all.ecf !" location="all.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="223E2E7D-AA90-4ADC-93CB-D304E794E3E6" message="Obsolete: use all.ecf !" location="all.ecf">
 </redirection>
diff --git a/library/server/wsf/connector/all.ecf b/library/server/wsf/connector/all.ecf
index 1647840d..25872423 100644
--- a/library/server/wsf/connector/all.ecf
+++ b/library/server/wsf/connector/all.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="wsf_all" uuid="223E2E7D-AA90-4ADC-93CB-D304E794E3E6" library_target="wsf_all">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_all" uuid="223E2E7D-AA90-4ADC-93CB-D304E794E3E6" library_target="wsf_all">
 	<target name="wsf_all">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="connector_cgi" location="..\..\ewsgi\connectors\cgi\cgi.ecf"/>
 		<library name="connector_libfcgi" location="..\..\ewsgi\connectors\libfcgi\libfcgi.ecf"/>
diff --git a/library/server/wsf/connector/cgi-safe.ecf b/library/server/wsf/connector/cgi-safe.ecf
index ea34f4b1..800bab17 100644
--- a/library/server/wsf/connector/cgi-safe.ecf
+++ b/library/server/wsf/connector/cgi-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="1B416A7F-D49B-43FC-8308-F14AA9531AF8" message="Obsolete: use cgi.ecf !" location="cgi.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="1B416A7F-D49B-43FC-8308-F14AA9531AF8" message="Obsolete: use cgi.ecf !" location="cgi.ecf">
 </redirection>
diff --git a/library/server/wsf/connector/cgi.ecf b/library/server/wsf/connector/cgi.ecf
index f13e5c75..8ed03c25 100644
--- a/library/server/wsf/connector/cgi.ecf
+++ b/library/server/wsf/connector/cgi.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="wsf_cgi" uuid="1B416A7F-D49B-43FC-8308-F14AA9531AF8" library_target="wsf_cgi">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_cgi" uuid="1B416A7F-D49B-43FC-8308-F14AA9531AF8" library_target="wsf_cgi">
 	<target name="wsf_cgi">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="connector_cgi" location="..\..\ewsgi\connectors\cgi\cgi.ecf"/>
 		<library name="encoder" location="..\..\..\text\encoder\encoder.ecf" readonly="false"/>
diff --git a/library/server/wsf/connector/libfcgi-safe.ecf b/library/server/wsf/connector/libfcgi-safe.ecf
index e8b51ae9..5eb4adae 100644
--- a/library/server/wsf/connector/libfcgi-safe.ecf
+++ b/library/server/wsf/connector/libfcgi-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="00B169F1-2BE2-4986-8B93-825FEB944FFD" message="Obsolete: use libfcgi.ecf !" location="libfcgi.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="00B169F1-2BE2-4986-8B93-825FEB944FFD" message="Obsolete: use libfcgi.ecf !" location="libfcgi.ecf">
 </redirection>
diff --git a/library/server/wsf/connector/libfcgi.ecf b/library/server/wsf/connector/libfcgi.ecf
index 10e089d0..162cd22e 100644
--- a/library/server/wsf/connector/libfcgi.ecf
+++ b/library/server/wsf/connector/libfcgi.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="wsf_libfcgi" uuid="00B169F1-2BE2-4986-8B93-825FEB944FFD" library_target="wsf_libfcgi">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_libfcgi" uuid="00B169F1-2BE2-4986-8B93-825FEB944FFD" library_target="wsf_libfcgi">
 	<target name="wsf_libfcgi">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="connector_libfcgi" location="..\..\ewsgi\connectors\libfcgi\libfcgi.ecf"/>
 		<library name="encoder" location="..\..\..\text\encoder\encoder.ecf" readonly="false"/>
diff --git a/library/server/wsf/connector/nino-safe.ecf b/library/server/wsf/connector/nino-safe.ecf
index dc8c98ba..f99235d7 100644
--- a/library/server/wsf/connector/nino-safe.ecf
+++ b/library/server/wsf/connector/nino-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="BACF0220-900B-4409-8CB2-30A09836A650" message="Obsolete: use nino.ecf !" location="nino.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="BACF0220-900B-4409-8CB2-30A09836A650" message="Obsolete: use nino.ecf !" location="nino.ecf">
 </redirection>
diff --git a/library/server/wsf/connector/nino.ecf b/library/server/wsf/connector/nino.ecf
index 1c6ad71e..f3a1cc45 100644
--- a/library/server/wsf/connector/nino.ecf
+++ b/library/server/wsf/connector/nino.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="wsf_nino" uuid="BACF0220-900B-4409-8CB2-30A09836A650" library_target="wsf_nino">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_nino" uuid="BACF0220-900B-4409-8CB2-30A09836A650" library_target="wsf_nino">
 	<target name="wsf_nino">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<capability>
 			<concurrency support="thread" use="thread"/>
 		</capability>
diff --git a/library/server/wsf/connector/openshift-safe.ecf b/library/server/wsf/connector/openshift-safe.ecf
index 8ba051fc..37f2e167 100644
--- a/library/server/wsf/connector/openshift-safe.ecf
+++ b/library/server/wsf/connector/openshift-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="39488429-3940-4360-9A32-FE53298C2CA2" message="Obsolete: use openshift.ecf !" location="openshift.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="39488429-3940-4360-9A32-FE53298C2CA2" message="Obsolete: use openshift.ecf !" location="openshift.ecf">
 </redirection>
diff --git a/library/server/wsf/connector/openshift.ecf b/library/server/wsf/connector/openshift.ecf
index 9b7ce580..4b609724 100644
--- a/library/server/wsf/connector/openshift.ecf
+++ b/library/server/wsf/connector/openshift.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="wsf_openshift" uuid="39488429-3940-4360-9A32-FE53298C2CA2" library_target="wsf_openshift">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_openshift" uuid="39488429-3940-4360-9A32-FE53298C2CA2" library_target="wsf_openshift">
 	<target name="wsf_openshift">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="ewsgi" location="..\..\ewsgi\ewsgi.ecf"/>
 		<library name="wsf" location="..\wsf.ecf"/>
diff --git a/library/server/wsf/connector/standalone-safe.ecf b/library/server/wsf/connector/standalone-safe.ecf
index cbc4f7f3..ca7a8e30 100644
--- a/library/server/wsf/connector/standalone-safe.ecf
+++ b/library/server/wsf/connector/standalone-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="9BF2D71A-0986-4025-9C97-15B65F07C568" message="Obsolete: use standalone.ecf !" location="standalone.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="9BF2D71A-0986-4025-9C97-15B65F07C568" message="Obsolete: use standalone.ecf !" location="standalone.ecf">
 </redirection>
diff --git a/library/server/wsf/connector/standalone.ecf b/library/server/wsf/connector/standalone.ecf
index 2911e111..ade23786 100644
--- a/library/server/wsf/connector/standalone.ecf
+++ b/library/server/wsf/connector/standalone.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="wsf_standalone" uuid="9BF2D71A-0986-4025-9C97-15B65F07C568" library_target="wsf_standalone">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_standalone" uuid="9BF2D71A-0986-4025-9C97-15B65F07C568" library_target="wsf_standalone">
 	<target name="wsf_standalone">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="connector_standalone" location="..\..\ewsgi\connectors\standalone\standalone.ecf" use_application_options="true"/>
 		<library name="encoder" location="..\..\..\text\encoder\encoder.ecf" readonly="false"/>
diff --git a/library/server/wsf/connector/standalone_websocket-safe.ecf b/library/server/wsf/connector/standalone_websocket-safe.ecf
index b4d16f11..73d9d5e7 100644
--- a/library/server/wsf/connector/standalone_websocket-safe.ecf
+++ b/library/server/wsf/connector/standalone_websocket-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="7C83D4B4-39C9-4D27-941B-0F0AAD45122E" message="Obsolete: use standalone_websocket.ecf !" location="standalone_websocket.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="7C83D4B4-39C9-4D27-941B-0F0AAD45122E" message="Obsolete: use standalone_websocket.ecf !" location="standalone_websocket.ecf">
 </redirection>
diff --git a/library/server/wsf/connector/standalone_websocket.ecf b/library/server/wsf/connector/standalone_websocket.ecf
index 0c100d23..b8cbc6ce 100644
--- a/library/server/wsf/connector/standalone_websocket.ecf
+++ b/library/server/wsf/connector/standalone_websocket.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="wsf_standalone_websocket" uuid="7C83D4B4-39C9-4D27-941B-0F0AAD45122E" library_target="wsf_standalone_websocket">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_standalone_websocket" uuid="7C83D4B4-39C9-4D27-941B-0F0AAD45122E" library_target="wsf_standalone_websocket">
 	<target name="wsf_standalone_websocket">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="connector_standalone" location="..\..\ewsgi\connectors\standalone\standalone.ecf"/>
 		<library name="crypto" location="$ISE_LIBRARY\unstable\library\text\encryption\crypto\crypto.ecf"/>
diff --git a/library/server/wsf/default/cgi-safe.ecf b/library/server/wsf/default/cgi-safe.ecf
index 1f48606e..d265dd36 100644
--- a/library/server/wsf/default/cgi-safe.ecf
+++ b/library/server/wsf/default/cgi-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="A9137009-B5BA-4C58-BCD3-7753909918B5" message="Obsolete: use cgi.ecf !" location="cgi.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="A9137009-B5BA-4C58-BCD3-7753909918B5" message="Obsolete: use cgi.ecf !" location="cgi.ecf">
 </redirection>
diff --git a/library/server/wsf/default/cgi.ecf b/library/server/wsf/default/cgi.ecf
index 5ec4d21c..ac3ea226 100644
--- a/library/server/wsf/default/cgi.ecf
+++ b/library/server/wsf/default/cgi.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="default_cgi" uuid="A9137009-B5BA-4C58-BCD3-7753909918B5" library_target="default_cgi">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="default_cgi" uuid="A9137009-B5BA-4C58-BCD3-7753909918B5" library_target="default_cgi">
 	<target name="default_cgi">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="wsf" location="..\wsf.ecf"/>
 		<library name="wsf_cgi" location="..\connector\cgi.ecf"/>
diff --git a/library/server/wsf/default/libfcgi-safe.ecf b/library/server/wsf/default/libfcgi-safe.ecf
index 1d8e00ed..85aa19d0 100644
--- a/library/server/wsf/default/libfcgi-safe.ecf
+++ b/library/server/wsf/default/libfcgi-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="B853CC3A-D173-4DA4-9832-6D0148C8F01F" message="Obsolete: use libfcgi.ecf !" location="libfcgi.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="B853CC3A-D173-4DA4-9832-6D0148C8F01F" message="Obsolete: use libfcgi.ecf !" location="libfcgi.ecf">
 </redirection>
diff --git a/library/server/wsf/default/libfcgi.ecf b/library/server/wsf/default/libfcgi.ecf
index b03d051f..fa81286c 100644
--- a/library/server/wsf/default/libfcgi.ecf
+++ b/library/server/wsf/default/libfcgi.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="default_libfcgi" uuid="B853CC3A-D173-4DA4-9832-6D0148C8F01F" library_target="default_libfcgi">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="default_libfcgi" uuid="B853CC3A-D173-4DA4-9832-6D0148C8F01F" library_target="default_libfcgi">
 	<target name="default_libfcgi">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="wsf" location="..\wsf.ecf"/>
 		<library name="wsf_libfcgi" location="..\connector\libfcgi.ecf"/>
diff --git a/library/server/wsf/default/nino-safe.ecf b/library/server/wsf/default/nino-safe.ecf
index 8a9c3119..33e09da3 100644
--- a/library/server/wsf/default/nino-safe.ecf
+++ b/library/server/wsf/default/nino-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="ACBEDC97-956C-45F5-97E3-65A6D9987625" message="Obsolete: use nino.ecf !" location="nino.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="ACBEDC97-956C-45F5-97E3-65A6D9987625" message="Obsolete: use nino.ecf !" location="nino.ecf">
 </redirection>
diff --git a/library/server/wsf/default/nino.ecf b/library/server/wsf/default/nino.ecf
index f9e891ea..2924fc66 100644
--- a/library/server/wsf/default/nino.ecf
+++ b/library/server/wsf/default/nino.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="default_nino" uuid="ACBEDC97-956C-45F5-97E3-65A6D9987625" library_target="default_nino">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="default_nino" uuid="ACBEDC97-956C-45F5-97E3-65A6D9987625" library_target="default_nino">
 	<target name="default_nino">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<capability>
 			<concurrency support="thread" use="thread"/>
 		</capability>
diff --git a/library/server/wsf/default/openshift-safe.ecf b/library/server/wsf/default/openshift-safe.ecf
index b8dd8023..20f777cf 100644
--- a/library/server/wsf/default/openshift-safe.ecf
+++ b/library/server/wsf/default/openshift-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="9EDB2BD1-9E1B-4931-ADD2-2724E3A25CBF" message="Obsolete: use openshift.ecf !" location="openshift.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="9EDB2BD1-9E1B-4931-ADD2-2724E3A25CBF" message="Obsolete: use openshift.ecf !" location="openshift.ecf">
 </redirection>
diff --git a/library/server/wsf/default/openshift.ecf b/library/server/wsf/default/openshift.ecf
index ca75cc8f..89545223 100644
--- a/library/server/wsf/default/openshift.ecf
+++ b/library/server/wsf/default/openshift.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="default_openshift" uuid="9EDB2BD1-9E1B-4931-ADD2-2724E3A25CBF" library_target="default_openshift">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="default_openshift" uuid="9EDB2BD1-9E1B-4931-ADD2-2724E3A25CBF" library_target="default_openshift">
 	<target name="default_openshift">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="wsf" location="..\wsf.ecf"/>
 		<library name="wsf_openshift" location="..\connector\openshift.ecf"/>
diff --git a/library/server/wsf/default/standalone-safe.ecf b/library/server/wsf/default/standalone-safe.ecf
index d3ae971f..a8651f76 100644
--- a/library/server/wsf/default/standalone-safe.ecf
+++ b/library/server/wsf/default/standalone-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="5CBA8C5A-3191-434A-8DE1-C0C3CAC9C4F4" message="Obsolete: use standalone.ecf !" location="standalone.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="5CBA8C5A-3191-434A-8DE1-C0C3CAC9C4F4" message="Obsolete: use standalone.ecf !" location="standalone.ecf">
 </redirection>
diff --git a/library/server/wsf/default/standalone.ecf b/library/server/wsf/default/standalone.ecf
index 28f22cf8..7b07a64c 100644
--- a/library/server/wsf/default/standalone.ecf
+++ b/library/server/wsf/default/standalone.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="default_standalone" uuid="5CBA8C5A-3191-434A-8DE1-C0C3CAC9C4F4" library_target="default_standalone">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="default_standalone" uuid="5CBA8C5A-3191-434A-8DE1-C0C3CAC9C4F4" library_target="default_standalone">
 	<target name="default_standalone">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="wsf" location="..\wsf.ecf" use_application_options="true"/>
 		<library name="wsf_standalone" location="..\connector\standalone.ecf"/>
diff --git a/library/server/wsf/tests/echo/echo.ecf b/library/server/wsf/tests/echo/echo.ecf
index b7801895..ea087e3f 100644
--- a/library/server/wsf/tests/echo/echo.ecf
+++ b/library/server/wsf/tests/echo/echo.ecf
@@ -1,14 +1,12 @@
 <?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="echo_server" uuid="D3EE5B55-6F2E-4247-8C94-E7CFC4C5B648">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="echo_server" uuid="D3EE5B55-6F2E-4247-8C94-E7CFC4C5B648">
 	<target name="echo_server">
 		<root class="ECHO_SERVER" feature="make"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="connector_null" location="..\..\..\ewsgi\connectors\null\null.ecf" readonly="false"/>
 		<library name="connector_standalone" location="..\..\..\ewsgi\connectors\standalone\standalone.ecf" readonly="false"/>
diff --git a/library/server/wsf/tests/tests.ecf b/library/server/wsf/tests/tests.ecf
index c63fb036..57ce7daa 100644
--- a/library/server/wsf/tests/tests.ecf
+++ b/library/server/wsf/tests/tests.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="wsf_tests" uuid="C4FF9CDA-B4E4-4841-97E0-7F799B85B657">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_tests" uuid="C4FF9CDA-B4E4-4841-97E0-7F799B85B657">
 	<target name="server">
 		<root class="TEST" feature="make"/>
 		<file_rule>
diff --git a/library/server/wsf/wsf-safe.ecf b/library/server/wsf/wsf-safe.ecf
index 711dab71..d8176679 100644
--- a/library/server/wsf/wsf-safe.ecf
+++ b/library/server/wsf/wsf-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="A37CE5AA-4D2A-4441-BC6A-0A1D7EC49647" message="Obsolete: use wsf.ecf !" location="wsf.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="A37CE5AA-4D2A-4441-BC6A-0A1D7EC49647" message="Obsolete: use wsf.ecf !" location="wsf.ecf">
 </redirection>
diff --git a/library/server/wsf/wsf.ecf b/library/server/wsf/wsf.ecf
index c9c4ac34..10a0b97a 100644
--- a/library/server/wsf/wsf.ecf
+++ b/library/server/wsf/wsf.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="wsf" uuid="A37CE5AA-4D2A-4441-BC6A-0A1D7EC49647" library_target="wsf">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf" uuid="A37CE5AA-4D2A-4441-BC6A-0A1D7EC49647" library_target="wsf">
 	<target name="wsf">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<mapping old_name="WSF_URI_TEMPLATE_HELPER_FOR_ROUTED_EXECUTION" new_name="WSF_ROUTED_URI_TEMPLATE_HELPER"/>
 		<mapping old_name="WSF_URI_HELPER_FOR_ROUTED_EXECUTION" new_name="WSF_ROUTED_URI_HELPER"/>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
diff --git a/library/server/wsf/wsf_compression-safe.ecf b/library/server/wsf/wsf_compression-safe.ecf
index 963c506b..0aa52b9b 100644
--- a/library/server/wsf/wsf_compression-safe.ecf
+++ b/library/server/wsf/wsf_compression-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="C558E537-1259-4C94-8C49-117D7E821820" message="Obsolete: use wsf_compression.ecf !" location="wsf_compression.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="C558E537-1259-4C94-8C49-117D7E821820" message="Obsolete: use wsf_compression.ecf !" location="wsf_compression.ecf">
 </redirection>
diff --git a/library/server/wsf/wsf_compression.ecf b/library/server/wsf/wsf_compression.ecf
index 862e0001..d28412e5 100644
--- a/library/server/wsf/wsf_compression.ecf
+++ b/library/server/wsf/wsf_compression.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="wsf_compression" uuid="C558E537-1259-4C94-8C49-117D7E821820" library_target="wsf_compression">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_compression" uuid="C558E537-1259-4C94-8C49-117D7E821820" library_target="wsf_compression">
 	<target name="wsf_compression">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/.svn$</exclude>
 			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="conneg" location="..\..\network\protocol\content_negotiation\conneg.ecf"/>
 		<library name="http" location="..\..\network\protocol\http\http.ecf"/>
diff --git a/library/server/wsf/wsf_extension-safe.ecf b/library/server/wsf/wsf_extension-safe.ecf
index 2355bb81..9896f850 100644
--- a/library/server/wsf/wsf_extension-safe.ecf
+++ b/library/server/wsf/wsf_extension-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="11055B92-CBEF-4272-8B50-0450BDA154E5" message="Obsolete: use wsf_extension.ecf !" location="wsf_extension.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="11055B92-CBEF-4272-8B50-0450BDA154E5" message="Obsolete: use wsf_extension.ecf !" location="wsf_extension.ecf">
 </redirection>
diff --git a/library/server/wsf/wsf_extension.ecf b/library/server/wsf/wsf_extension.ecf
index 0cb1459e..d64bed1e 100644
--- a/library/server/wsf/wsf_extension.ecf
+++ b/library/server/wsf/wsf_extension.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="wsf_extension" uuid="11055B92-CBEF-4272-8B50-0450BDA154E5" library_target="wsf_extension">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_extension" uuid="11055B92-CBEF-4272-8B50-0450BDA154E5" library_target="wsf_extension">
 	<target name="wsf_extension">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="encoder" location="..\..\text\encoder\encoder.ecf"/>
 		<library name="ewsgi" location="..\ewsgi\ewsgi.ecf"/>
diff --git a/library/server/wsf/wsf_policy_driven-safe.ecf b/library/server/wsf/wsf_policy_driven-safe.ecf
index 463bf231..a0aec8ef 100644
--- a/library/server/wsf/wsf_policy_driven-safe.ecf
+++ b/library/server/wsf/wsf_policy_driven-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="3FC00449-5101-461D-94C6-10920C30EBF4" message="Obsolete: use wsf_policy_driven.ecf !" location="wsf_policy_driven.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="3FC00449-5101-461D-94C6-10920C30EBF4" message="Obsolete: use wsf_policy_driven.ecf !" location="wsf_policy_driven.ecf">
 </redirection>
diff --git a/library/server/wsf/wsf_policy_driven.ecf b/library/server/wsf/wsf_policy_driven.ecf
index 6f497e64..b5de10cd 100644
--- a/library/server/wsf/wsf_policy_driven.ecf
+++ b/library/server/wsf/wsf_policy_driven.ecf
@@ -1,14 +1,12 @@
 <?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="wsf_policy_driven" uuid="3FC00449-5101-461D-94C6-10920C30EBF4" library_target="wsf_policy_driven">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_policy_driven" uuid="3FC00449-5101-461D-94C6-10920C30EBF4" library_target="wsf_policy_driven">
 	<target name="wsf_policy_driven">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="conneg" location="..\..\network\protocol\content_negotiation\conneg.ecf"/>
 		<library name="encoder" location="..\..\text\encoder\encoder.ecf"/>
diff --git a/library/server/wsf/wsf_router_context-safe.ecf b/library/server/wsf/wsf_router_context-safe.ecf
index 9256a9da..64250ba9 100644
--- a/library/server/wsf/wsf_router_context-safe.ecf
+++ b/library/server/wsf/wsf_router_context-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="1A0F9B0E-26CE-4DE0-BE47-C74D1AB2B389" message="Obsolete: use wsf_router_context.ecf !" location="wsf_router_context.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="1A0F9B0E-26CE-4DE0-BE47-C74D1AB2B389" message="Obsolete: use wsf_router_context.ecf !" location="wsf_router_context.ecf">
 </redirection>
diff --git a/library/server/wsf/wsf_router_context.ecf b/library/server/wsf/wsf_router_context.ecf
index fad284c7..58435ced 100644
--- a/library/server/wsf/wsf_router_context.ecf
+++ b/library/server/wsf/wsf_router_context.ecf
@@ -1,14 +1,12 @@
 <?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="wsf_router_context" uuid="1A0F9B0E-26CE-4DE0-BE47-C74D1AB2B389" library_target="wsf_router_context">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_router_context" uuid="1A0F9B0E-26CE-4DE0-BE47-C74D1AB2B389" library_target="wsf_router_context">
 	<target name="wsf_router_context">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="wsf" location="wsf.ecf"/>
 		<cluster name="router_context" location=".\router_context\" recursive="true"/>
diff --git a/library/server/wsf/wsf_security.ecf b/library/server/wsf/wsf_security.ecf
index 6684ccee..9cc55d5a 100644
--- a/library/server/wsf/wsf_security.ecf
+++ b/library/server/wsf/wsf_security.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="wsf_security" uuid="6684959A-6F63-4861-A98E-7E144AE77F2E" library_target="wsf_security">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_security" uuid="6684959A-6F63-4861-A98E-7E144AE77F2E" library_target="wsf_security">
 	<target name="wsf_security">
 		<root all_classes="true"/>
 		<file_rule>
@@ -7,8 +7,6 @@
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="encoder" location="..\..\text\encoder\encoder.ecf"/>
 		<library name="ewsgi" location="..\ewsgi\ewsgi.ecf"/>
diff --git a/library/server/wsf/wsf_session-safe.ecf b/library/server/wsf/wsf_session-safe.ecf
index 124e8c6e..fe0062d0 100644
--- a/library/server/wsf/wsf_session-safe.ecf
+++ b/library/server/wsf/wsf_session-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="C41D0367-9852-4AA7-9E7E-DEA162A4CBB0" message="Obsolete: use wsf_session.ecf !" location="wsf_session.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="C41D0367-9852-4AA7-9E7E-DEA162A4CBB0" message="Obsolete: use wsf_session.ecf !" location="wsf_session.ecf">
 </redirection>
diff --git a/library/server/wsf/wsf_session.ecf b/library/server/wsf/wsf_session.ecf
index d920e934..f36ad49f 100644
--- a/library/server/wsf/wsf_session.ecf
+++ b/library/server/wsf/wsf_session.ecf
@@ -1,14 +1,12 @@
 <?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="wsf_session" uuid="C41D0367-9852-4AA7-9E7E-DEA162A4CBB0" library_target="wsf_session">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_session" uuid="C41D0367-9852-4AA7-9E7E-DEA162A4CBB0" library_target="wsf_session">
 	<target name="wsf_session">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="ewsgi" location="..\ewsgi\ewsgi.ecf"/>
 		<library name="http" location="..\..\network\protocol\http\http.ecf"/>
diff --git a/library/server/wsf_html/wsf_html-safe.ecf b/library/server/wsf_html/wsf_html-safe.ecf
index c495cf7b..8cbc7ee1 100644
--- a/library/server/wsf_html/wsf_html-safe.ecf
+++ b/library/server/wsf_html/wsf_html-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="6AAAE037-7E66-4F5D-BED0-0042245C26BC" message="Obsolete: use wsf_html.ecf !" location="wsf_html.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="6AAAE037-7E66-4F5D-BED0-0042245C26BC" message="Obsolete: use wsf_html.ecf !" location="wsf_html.ecf">
 </redirection>
diff --git a/library/server/wsf_html/wsf_html.ecf b/library/server/wsf_html/wsf_html.ecf
index d4c2e4f9..0c44012f 100644
--- a/library/server/wsf_html/wsf_html.ecf
+++ b/library/server/wsf_html/wsf_html.ecf
@@ -1,14 +1,12 @@
 <?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="wsf_html" uuid="6AAAE037-7E66-4F5D-BED0-0042245C26BC" library_target="wsf_html">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_html" uuid="6AAAE037-7E66-4F5D-BED0-0042245C26BC" library_target="wsf_html">
 	<target name="wsf_html">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="encoder" location="..\..\text\encoder\encoder.ecf"/>
 		<library name="uri_template" location="..\..\text\parser\uri_template\uri_template.ecf"/>
diff --git a/library/server/wsf_proxy/wsf_proxy-safe.ecf b/library/server/wsf_proxy/wsf_proxy-safe.ecf
index 8e606137..751b286f 100644
--- a/library/server/wsf_proxy/wsf_proxy-safe.ecf
+++ b/library/server/wsf_proxy/wsf_proxy-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="A39CCC27-BF63-4959-B881-7D0713F4C84A" message="Obsolete: use wsf_proxy.ecf !" location="wsf_proxy.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="A39CCC27-BF63-4959-B881-7D0713F4C84A" message="Obsolete: use wsf_proxy.ecf !" location="wsf_proxy.ecf">
 </redirection>
diff --git a/library/server/wsf_proxy/wsf_proxy.ecf b/library/server/wsf_proxy/wsf_proxy.ecf
index f3b42ff1..12f0dc1c 100644
--- a/library/server/wsf_proxy/wsf_proxy.ecf
+++ b/library/server/wsf_proxy/wsf_proxy.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="wsf_proxy" uuid="A39CCC27-BF63-4959-B881-7D0713F4C84A" library_target="wsf_proxy">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wsf_proxy" uuid="A39CCC27-BF63-4959-B881-7D0713F4C84A" library_target="wsf_proxy">
 	<target name="wsf_proxy">
 		<root all_classes="true"/>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
diff --git a/library/text/encoder/encoder-safe.ecf b/library/text/encoder/encoder-safe.ecf
index 19a02591..5a69f03c 100644
--- a/library/text/encoder/encoder-safe.ecf
+++ b/library/text/encoder/encoder-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="EE80E648-C64D-4802-8868-C57AAFEACC55" message="Obsolete: use encoder.ecf !" location="encoder.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="EE80E648-C64D-4802-8868-C57AAFEACC55" message="Obsolete: use encoder.ecf !" location="encoder.ecf">
 </redirection>
diff --git a/library/text/encoder/encoder.ecf b/library/text/encoder/encoder.ecf
index 591f3f48..511d4431 100644
--- a/library/text/encoder/encoder.ecf
+++ b/library/text/encoder/encoder.ecf
@@ -1,14 +1,12 @@
 <?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="encoder" uuid="EE80E648-C64D-4802-8868-C57AAFEACC55" library_target="encoder">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="encoder" uuid="EE80E648-C64D-4802-8868-C57AAFEACC55" library_target="encoder">
 	<target name="encoder">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<cluster name="src" location="src\" recursive="true">
 			<file_rule>
diff --git a/library/text/encoder/tests/tests.ecf b/library/text/encoder/tests/tests.ecf
index be5476bf..d32f99aa 100644
--- a/library/text/encoder/tests/tests.ecf
+++ b/library/text/encoder/tests/tests.ecf
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="encoder_tests" uuid="C6F56AE3-8E9C-4568-85CA-CA5F1EF15DCE">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="encoder_tests" uuid="C6F56AE3-8E9C-4568-85CA-CA5F1EF15DCE">
 	<target name="encoder_tests">
 		<root class="TEST_BASE64" feature="default_create"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true"/>
diff --git a/library/text/parser/feed/feed-safe.ecf b/library/text/parser/feed/feed-safe.ecf
index 2e920879..e8dce24c 100644
--- a/library/text/parser/feed/feed-safe.ecf
+++ b/library/text/parser/feed/feed-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="71364A69-1549-472E-AF78-FDA4FDA016EB" message="Obsolete: use feed.ecf !" location="feed.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="71364A69-1549-472E-AF78-FDA4FDA016EB" message="Obsolete: use feed.ecf !" location="feed.ecf">
 </redirection>
diff --git a/library/text/parser/feed/feed.ecf b/library/text/parser/feed/feed.ecf
index 6e6d7afe..65f4f19c 100644
--- a/library/text/parser/feed/feed.ecf
+++ b/library/text/parser/feed/feed.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="feed" uuid="71364A69-1549-472E-AF78-FDA4FDA016EB" library_target="feed">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="feed" uuid="71364A69-1549-472E-AF78-FDA4FDA016EB" library_target="feed">
 	<target name="feed">
 		<root all_classes="true"/>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
diff --git a/library/text/parser/feed/tests/tests.ecf b/library/text/parser/feed/tests/tests.ecf
index d6e8b7df..34ba0c48 100644
--- a/library/text/parser/feed/tests/tests.ecf
+++ b/library/text/parser/feed/tests/tests.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="tests" uuid="C68BD5DC-F756-484E-A9FE-F2D1FD432B2A">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="tests" uuid="C68BD5DC-F756-484E-A9FE-F2D1FD432B2A">
 	<target name="tests">
 		<root class="APPLICATION" feature="make"/>
 		<setting name="console_application" value="false"/>
diff --git a/library/text/parser/uri_template/tests/tests.ecf b/library/text/parser/uri_template/tests/tests.ecf
index 78d9f338..e53fc161 100644
--- a/library/text/parser/uri_template/tests/tests.ecf
+++ b/library/text/parser/uri_template/tests/tests.ecf
@@ -1,11 +1,11 @@
 <?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="test_uri_template_draft_05" uuid="C995E97E-BE7F-44BB-A38D-FE884CF837F5">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="test_uri_template_draft_05" uuid="C995E97E-BE7F-44BB-A38D-FE884CF837F5">
 	<target name="tests">
 		<root class="TEST_URI_TEMPLATE" feature="default_create"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true"/>
diff --git a/library/text/parser/uri_template/uri_template-safe.ecf b/library/text/parser/uri_template/uri_template-safe.ecf
index b650c5d9..d9de1bb7 100644
--- a/library/text/parser/uri_template/uri_template-safe.ecf
+++ b/library/text/parser/uri_template/uri_template-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="64B64199-7F12-4A33-A962-4AD314E9593D" message="Obsolete: use uri_template.ecf !" location="uri_template.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="64B64199-7F12-4A33-A962-4AD314E9593D" message="Obsolete: use uri_template.ecf !" location="uri_template.ecf">
 </redirection>
diff --git a/library/text/parser/uri_template/uri_template.ecf b/library/text/parser/uri_template/uri_template.ecf
index c78611ef..2cea640c 100644
--- a/library/text/parser/uri_template/uri_template.ecf
+++ b/library/text/parser/uri_template/uri_template.ecf
@@ -1,14 +1,12 @@
 <?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="uri_template" uuid="64B64199-7F12-4A33-A962-4AD314E9593D" library_target="uri_template">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="uri_template" uuid="64B64199-7F12-4A33-A962-4AD314E9593D" library_target="uri_template">
 	<target name="uri_template">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<library name="encoder" location="..\..\encoder\encoder.ecf"/>
 		<library name="time" location="$ISE_LIBRARY\library\time\time.ecf"/>
diff --git a/library/utility/general/error/error-safe.ecf b/library/utility/general/error/error-safe.ecf
index 3d26b7e8..9c0b59a0 100644
--- a/library/utility/general/error/error-safe.ecf
+++ b/library/utility/general/error/error-safe.ecf
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<redirection 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" uuid="C2DFF741-7091-43C7-B8B1-B075E7FF914F" message="Obsolete: use error.ecf !" location="error.ecf">
+<redirection xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" uuid="C2DFF741-7091-43C7-B8B1-B075E7FF914F" message="Obsolete: use error.ecf !" location="error.ecf">
 </redirection>
diff --git a/library/utility/general/error/error.ecf b/library/utility/general/error/error.ecf
index 587208c0..28f8b8d5 100644
--- a/library/utility/general/error/error.ecf
+++ b/library/utility/general/error/error.ecf
@@ -1,14 +1,12 @@
 <?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="error" uuid="C2DFF741-7091-43C7-B8B1-B075E7FF914F" library_target="error">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="error" uuid="C2DFF741-7091-43C7-B8B1-B075E7FF914F" library_target="error">
 	<target name="error">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
 		<cluster name="src" location="src\" recursive="true"/>
 	</target>
diff --git a/library/utility/general/error/tests/tests.ecf b/library/utility/general/error/tests/tests.ecf
index 13738c82..7c029d2c 100644
--- a/library/utility/general/error/tests/tests.ecf
+++ b/library/utility/general/error/tests/tests.ecf
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="error_tests" uuid="54F59BB2-AD49-42C7-ABAA-B60765F4F926">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="error_tests" uuid="54F59BB2-AD49-42C7-ABAA-B60765F4F926">
 	<target name="error_tests">
 		<root class="TEST_ERROR" feature="default_create"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
 		<option warning="true">
 			<assertions precondition="true" postcondition="true" check="true" invariant="true"/>
diff --git a/precomp/wsf-mt-safe.ecf b/precomp/wsf-mt-safe.ecf
index abd852ea..34c22574 100644
--- a/precomp/wsf-mt-safe.ecf
+++ b/precomp/wsf-mt-safe.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="precomp_wsf-mt-safe" uuid="A4B45043-9CD3-4B8E-B369-A9243CFAE8AE" library_target="precomp-wsf-mt-safe">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="precomp_wsf-mt-safe" uuid="A4B45043-9CD3-4B8E-B369-A9243CFAE8AE" library_target="precomp-wsf-mt-safe">
 	<target name="precomp-wsf-mt-safe">
 		<root all_classes="true"/>
 		<capability>
diff --git a/precomp/wsf-mt.ecf b/precomp/wsf-mt.ecf
index 0df872b9..1bb49701 100644
--- a/precomp/wsf-mt.ecf
+++ b/precomp/wsf-mt.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="precomp_wsf-mt" uuid="72298F1A-98C7-4BED-8617-11DEFEFB625F" library_target="precomp-wsf-mt">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="precomp_wsf-mt" uuid="72298F1A-98C7-4BED-8617-11DEFEFB625F" library_target="precomp-wsf-mt">
 	<target name="precomp-wsf-mt">
 		<root all_classes="true"/>
 		<capability>
diff --git a/precomp/wsf-safe.ecf b/precomp/wsf-safe.ecf
index 660849bd..256c9bce 100644
--- a/precomp/wsf-safe.ecf
+++ b/precomp/wsf-safe.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="precomp_wsf-safe" uuid="E541289C-4921-4BE3-98B2-4E466FC83AC7" library_target="wsf-safe">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="precomp_wsf-safe" uuid="E541289C-4921-4BE3-98B2-4E466FC83AC7" library_target="wsf-safe">
 	<target name="wsf-safe">
 		<root all_classes="true"/>
 		<capability>
diff --git a/precomp/wsf-scoop-safe.ecf b/precomp/wsf-scoop-safe.ecf
index 7495ad69..b734d29d 100644
--- a/precomp/wsf-scoop-safe.ecf
+++ b/precomp/wsf-scoop-safe.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="precomp_wsf-scoop-safe" uuid="986C232F-927D-4E01-B0F7-3FCCC9AE34C0" library_target="precomp-wsf-scoop-safe">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="precomp_wsf-scoop-safe" uuid="986C232F-927D-4E01-B0F7-3FCCC9AE34C0" library_target="precomp-wsf-scoop-safe">
 	<target name="precomp-wsf-scoop-safe">
 		<root all_classes="true"/>
 		<capability>
diff --git a/precomp/wsf-scoop.ecf b/precomp/wsf-scoop.ecf
index ce3e6ef6..13dc7f0b 100644
--- a/precomp/wsf-scoop.ecf
+++ b/precomp/wsf-scoop.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="precomp_wsf-scoop" uuid="344344D6-5CA1-43B4-8D4B-CD1763883BE2" library_target="precomp-wsf-scoop">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="precomp_wsf-scoop" uuid="344344D6-5CA1-43B4-8D4B-CD1763883BE2" library_target="precomp-wsf-scoop">
 	<target name="precomp-wsf-scoop">
 		<root all_classes="true"/>
 		<capability>
diff --git a/precomp/wsf.ecf b/precomp/wsf.ecf
index 0152c2f7..de526c35 100644
--- a/precomp/wsf.ecf
+++ b/precomp/wsf.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="precomp_wsf" uuid="3E534F9D-A25F-4CAF-8AAF-FF95DA8F8B64" library_target="precomp-wsf">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="precomp_wsf" uuid="3E534F9D-A25F-4CAF-8AAF-FF95DA8F8B64" library_target="precomp-wsf">
 	<target name="precomp-wsf">
 		<root all_classes="true"/>
 		<capability>
diff --git a/tests/all-stable.ecf b/tests/all-stable.ecf
index 158d65bb..97f47a8b 100644
--- a/tests/all-stable.ecf
+++ b/tests/all-stable.ecf
@@ -1,15 +1,13 @@
 <?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="all" uuid="1172C52C-6979-4293-8F01-80FADA5A2B69" library_target="all_stable">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="all" uuid="1172C52C-6979-4293-8F01-80FADA5A2B69" library_target="all_stable">
 	<description>Integration project including many lib</description>
 	<target name="all_stable">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="connector_cgi" location="..\library\server\ewsgi\connectors\cgi\cgi.ecf" readonly="false"/>
 		<library name="connector_libfcgi" location="..\library\server\ewsgi\connectors\libfcgi\libfcgi.ecf" readonly="false"/>
 		<library name="connector_null" location="..\library\server\ewsgi\connectors\null\null.ecf" readonly="false"/>
diff --git a/tests/all.ecf b/tests/all.ecf
index 4f571869..280e5144 100644
--- a/tests/all.ecf
+++ b/tests/all.ecf
@@ -1,15 +1,13 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-16-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-16-0 http://www.eiffel.com/developers/xml/configuration-1-16-0.xsd" name="all" uuid="0562209B-4C68-4E77-8B57-13CBF53D05BD" library_target="all">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="all" uuid="0562209B-4C68-4E77-8B57-13CBF53D05BD" library_target="all">
 	<description>Integration project including many lib</description>
 	<target name="all">
 		<root all_classes="true"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<library name="all-stable" location="all-stable.ecf" readonly="false"/>
 		<library name="atom" location="..\draft\library\protocol\syndication\atom\atom.ecf" readonly="false"/>
 		<library name="connector_cgi" location="..\library\server\ewsgi\connectors\cgi\cgi.ecf" readonly="false"/>
@@ -39,16 +37,16 @@
 		<library name="wsf_cgi" location="..\library\server\wsf\connector\cgi.ecf" readonly="false"/>
 		<library name="wsf_extension" location="..\library\server\wsf\wsf_extension.ecf" readonly="false"/>
 		<library name="wsf_html" location="..\library\server\wsf_html\wsf_html.ecf" readonly="false"/>
-		<library name="wsf_proxy" location="..\library\server\wsf_proxy\wsf_proxy.ecf" readonly="false"/>
 		<library name="wsf_js_widget" location="..\draft\library\server\wsf_js_widget\wsf_js_widget.ecf" readonly="false"/>
-		<library name="wsf_standalone" location="..\library\server\wsf\connector\standalone.ecf" readonly="false"/>
-		<library name="wsf_standalone_websocket" location="..\library\server\wsf\connector\standalone_websocket.ecf" readonly="false"/>
 		<library name="wsf_libfcgi" location="..\library\server\wsf\connector\libfcgi.ecf" readonly="false"/>
 		<library name="wsf_openshift" location="..\library\server\wsf\connector\openshift.ecf" readonly="false"/>
 		<library name="wsf_policy_driven" location="..\library\server\wsf\wsf_policy_driven.ecf" readonly="false"/>
+		<library name="wsf_proxy" location="..\library\server\wsf_proxy\wsf_proxy.ecf" readonly="false"/>
 		<library name="wsf_router_context" location="..\library\server\wsf\wsf_router_context.ecf" readonly="false"/>
-		<library name="wsf_session" location="..\library\server\wsf\wsf_session.ecf" readonly="false"/>
 		<library name="wsf_security" location="..\library\server\wsf\wsf_security.ecf" readonly="false"/>
+		<library name="wsf_session" location="..\library\server\wsf\wsf_session.ecf" readonly="false"/>
+		<library name="wsf_standalone" location="..\library\server\wsf\connector\standalone.ecf" readonly="false"/>
+		<library name="wsf_standalone_websocket" location="..\library\server\wsf\connector\standalone_websocket.ecf" readonly="false"/>
 	</target>
 	<target name="all_none" extends="all">
 		<description>Compiling with None concurrency</description>
diff --git a/tests/dev/hello.ecf b/tests/dev/hello.ecf
index 71247905..b1dc6f48 100644
--- a/tests/dev/hello.ecf
+++ b/tests/dev/hello.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="hello_dev" uuid="7C9887BD-4AE4-47F2-A0AA-4BBB6736D433">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="hello_dev" uuid="7C9887BD-4AE4-47F2-A0AA-4BBB6736D433">
 	<target name="hello_dev" abstract="true">
 		<root class="HELLO_ROUTED_WORLD" feature="make_and_launch"/>
 		<file_rule>
diff --git a/tests/server/wsf_html/test.ecf b/tests/server/wsf_html/test.ecf
index 5be2392a..45c0f2ca 100644
--- a/tests/server/wsf_html/test.ecf
+++ b/tests/server/wsf_html/test.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="test" uuid="F428CCD3-FF90-4E80-8C60-BFF17F72F0FA">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="test" uuid="F428CCD3-FF90-4E80-8C60-BFF17F72F0FA">
 	<target name="test">
 		<root class="APPLICATION" feature="make"/>
 		<option warning="true">
@@ -15,9 +15,9 @@
 		<library name="wsf_html" location="..\..\..\library\server\wsf_html\wsf_html.ecf" readonly="false"/>
 		<cluster name="test" location=".\" recursive="true">
 			<file_rule>
-				<exclude>/\.svn$</exclude>
 				<exclude>/CVS$</exclude>
 				<exclude>/EIFGENs$</exclude>
+				<exclude>/\.svn$</exclude>
 			</file_rule>
 		</cluster>
 	</target>
diff --git a/tests/standalone/client/test.ecf b/tests/standalone/client/test.ecf
index d13dcd3a..806db7e0 100644
--- a/tests/standalone/client/test.ecf
+++ b/tests/standalone/client/test.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="test_app" uuid="D5536EB3-A9C6-4147-956A-EABC2D9C3211">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="test_app" uuid="D5536EB3-A9C6-4147-956A-EABC2D9C3211">
 	<target name="test_app">
 		<root class="TEST_APP" feature="make"/>
 		<setting name="console_application" value="true"/>
diff --git a/tools/estudio_wizard/console_wizard.ecf b/tools/estudio_wizard/console_wizard.ecf
index 4b77604b..60a16215 100644
--- a/tools/estudio_wizard/console_wizard.ecf
+++ b/tools/estudio_wizard/console_wizard.ecf
@@ -1,14 +1,12 @@
 <?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="wizard" uuid="835D7132-1767-4462-AAE0-A27ECBD4E5AB">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wizard" uuid="835D7132-1767-4462-AAE0-A27ECBD4E5AB">
 	<target name="wizard">
 		<root class="EWF_CONSOLE_WIZARD_APPLICATION" feature="make"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<setting name="console_application" value="true"/>
 		<capability>
 			<concurrency support="none" use="none"/>
diff --git a/tools/estudio_wizard/lib/wizard/estudio_console_wizard.ecf b/tools/estudio_wizard/lib/wizard/estudio_console_wizard.ecf
index a50f307b..c0a7adf7 100644
--- a/tools/estudio_wizard/lib/wizard/estudio_console_wizard.ecf
+++ b/tools/estudio_wizard/lib/wizard/estudio_console_wizard.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="estudio_console_wizard" uuid="F6ED77CC-077C-48B6-B730-25CB7C62558D" library_target="estudio_console_wizard">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="estudio_console_wizard" uuid="F6ED77CC-077C-48B6-B730-25CB7C62558D" library_target="estudio_console_wizard">
 	<target name="estudio_console_wizard">
 		<root all_classes="true"/>
 		<capability>
diff --git a/tools/estudio_wizard/lib/wizard/estudio_gui_wizard.ecf b/tools/estudio_wizard/lib/wizard/estudio_gui_wizard.ecf
index e898868c..2da9c69f 100644
--- a/tools/estudio_wizard/lib/wizard/estudio_gui_wizard.ecf
+++ b/tools/estudio_wizard/lib/wizard/estudio_gui_wizard.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="estudio_gui_wizard" uuid="6E6AAD4F-8869-428A-B507-54EACE8613E9" library_target="estudio_gui_wizard">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="estudio_gui_wizard" uuid="6E6AAD4F-8869-428A-B507-54EACE8613E9" library_target="estudio_gui_wizard">
 	<target name="estudio_gui_wizard">
 		<root all_classes="true"/>
 		<capability>
diff --git a/tools/estudio_wizard/wizard.ecf b/tools/estudio_wizard/wizard.ecf
index 3b6c5235..a9e9b424 100644
--- a/tools/estudio_wizard/wizard.ecf
+++ b/tools/estudio_wizard/wizard.ecf
@@ -1,14 +1,12 @@
 <?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="wizard" uuid="F881A707-745E-4C6D-90D1-F820EE3B1470">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="wizard" uuid="F881A707-745E-4C6D-90D1-F820EE3B1470">
 	<target name="wizard">
 		<root class="EWF_GRAPHICAL_WIZARD" feature="make_and_launch"/>
 		<file_rule>
+			<exclude>/EIFGENs$</exclude>
 			<exclude>/\.git$</exclude>
 			<exclude>/\.svn$</exclude>
-			<exclude>/EIFGENs$</exclude>
 		</file_rule>
-		<option warning="true">
-		</option>
 		<setting name="console_application" value="false"/>
 		<setting name="executable_name" value="wizard"/>
 		<capability>
diff --git a/tools/httpd/httpd.ecf b/tools/httpd/httpd.ecf
index 820d3930..fae2fcf3 100644
--- a/tools/httpd/httpd.ecf
+++ b/tools/httpd/httpd.ecf
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-17-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-17-0 http://www.eiffel.com/developers/xml/configuration-1-17-0.xsd" name="httpd" uuid="60DBA808-B014-47BB-BDEF-11B87C1DC6DE">
+<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-20-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-20-0 http://www.eiffel.com/developers/xml/configuration-1-20-0.xsd" name="httpd" uuid="60DBA808-B014-47BB-BDEF-11B87C1DC6DE">
 	<target name="common" abstract="true">
 		<file_rule>
 			<exclude>/CVS$</exclude>
@@ -22,7 +22,7 @@
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
 		</option>
 		<library name="default_standalone" location="..\..\library\server\wsf\default\standalone.ecf"/>
-		<cluster name="httpd" location=".\src" recursive="true"/>
+		<cluster name="httpd" location=".\src\" recursive="true"/>
 	</target>
 	<target name="httpd_standalone_mt" extends="httpd_standalone">
 		<capability>
@@ -43,7 +43,7 @@
 			<concurrency use="scoop"/>
 		</capability>
 		<library name="default_cgi" location="..\..\library\server\wsf\default\cgi.ecf"/>
-		<cluster name="httpd" location=".\src" recursive="true"/>
+		<cluster name="httpd" location=".\src\" recursive="true"/>
 	</target>
 	<target name="httpd_libfcgi" extends="common">
 		<root class="APPLICATION" feature="make_and_launch"/>
@@ -51,6 +51,6 @@
 			<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
 		</option>
 		<library name="default_libfcgi" location="..\..\library\server\wsf\default\libfcgi.ecf"/>
-		<cluster name="httpd" location=".\src" recursive="true"/>
+		<cluster name="httpd" location=".\src\" recursive="true"/>
 	</target>
 </system>