add include paths note

Author: jmckenna

en/mapfile/include.txt

@@ -35,6 +35,11 @@ Notes
 
 - File location can be given as a full path to the file, or (in MapServer >=
   4.10.1) as a path relative to the mapfile.
+  
+  .. note::
+
+    Nested :ref:`INCLUDE` statements (such as an INCLUDE within an INCLUDE) 
+    must be relative to the top-level mapfile, not its parent mapfile.  
 
 - Debugging can be problematic because: 
 

en/mapfile/index.txt

@@ -11,7 +11,7 @@
 :Contact: steve.lime at dnr.state.mn.us
 :Author: Jeff McKenna
 :Contact: jmckenna at gatewaygeomatics.com
-:Last Updated: 2022-08-29
+:Last Updated: 2025-06-04
 
 The Mapfile is the heart of MapServer.  It defines the relationships
 between objects, points MapServer to where data are located and
@@ -122,6 +122,11 @@ Notes
 * File paths may be given as absolute paths, or as paths relative to
   the location of the mapfile. In addition, data files may be
   specified relative to the SHAPEPATH.
+  
+  .. note::
+
+    Nested :ref:`INCLUDE` statements (such as an INCLUDE within an INCLUDE) 
+    must be relative to the top-level mapfile, not its parent mapfile.
 
 * The mapfile has a hierarchical structure, with the MAP object being
   the "root". All other objects fall under this one.