Merge pull request #5832 from NutharaNR/disable-double-encoding

Author: pavinduLakshan

en/includes/guides/authentication/saml/saml-artifact-binding.md

@@ -86,7 +86,7 @@ The [SAML 2.0 Binding specification](https://docs.oasis-open.org/security/saml/v
 
 The default time limit is set for 4 minutes. To change it, set a custom time (in minutes) for the following configuration in the `<IS_HOME>/repository/conf/deployment.toml` file.
 
-```
+```toml
 [saml.artifact] 
 validity= 4
 ```
@@ -95,7 +95,7 @@ validity= 4
 
 Your application can resolve artifacts issued by {{product_name}} by sending a back-channel SOAP request to the following endpoint.
 
-```
+```bash
 https://<IS_HOST>:<IS_PORT>/samlartresolve
 ```
 
@@ -209,6 +209,17 @@ SAML2 POST Binding sends the SAML response via browser POST, creating a cross-or
 
         If your are using a different URL, add that as an allowed origin.
 
+    {% if is_version == "7.1.0"  or is_version == "7.2.0" %}
+    !!! info
+
+        By default, {{product_name}} double-encodes the SAML artifact value. {% if is_version == "7.1.0" %}From update level **7.1.0.43** onwards,{% elif is_version == "7.2.0" %}From update level **7.2.0.8** onwards, {% endif %}this behavior can be disabled to enforce specification-compliant SAML artifact handling by adding the following configuration to the `deployment.toml` file:
+
+        ```toml
+        [saml.artifact]
+        disable_double_encoding = true
+        ```
+    {% endif %}
+
 2. Restart {{product_name}}.
 
 ### Integrate application with {{product_name}}