Give a hint about old multi-language error documents

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1181242 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/docs/manual/upgrading.xml b/docs/manual/upgrading.xml
index 1c9564a196c261a349031984bd3b62b248be35cf..9e12b945e676c09048e1fab0a0225720c9013ede 100644 (file)
--- a/docs/manual/upgrading.xml
+++ b/docs/manual/upgrading.xml
@@ -292,6 +292,14 @@
       that the size overhead added by the compression is larger than the data
       to be compressed.
       </li>
+
+      <li>Multi-language error documents from 2.2.x may not work unless
+      they are adjusted to the new syntax of <module>mod_include</module>'s
+      <code>#if expr=</code> element or the directive
+      <directive module="mod_include">SSILegacyExprParser</directive> is
+      enabled for the directory containing the error documents.
+      </li>
+
     </ul>
 
   </section>