From d4b71e3d18baf7f4e5d495a41120cdb7b668ab97 Mon Sep 17 00:00:00 2001
From: Patrik Sylve <patrik.sylve@t-kartor.com>
Date: Mon, 18 Aug 2025 11:07:19 +0200
Subject: [PATCH 1/2] Document FALLBACK keyword

---
 en/mapfile/class.txt | 11 ++++++++++-
 en/ogc/sld.txt       | 14 ++++++++------
 2 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/en/mapfile/class.txt b/en/mapfile/class.txt
index ad233ef4c62..79c5fe1be6f 100644
--- a/en/mapfile/class.txt
+++ b/en/mapfile/class.txt
@@ -7,6 +7,8 @@
  CLASS
 *****************************************************************************
 
+:Last Updated: 2025-08-18
+
 .. index:: 
    pair: CLASS; BACKGROUNDCOLOR
    :name: mapfile-class-backgroundcolor
@@ -93,7 +95,14 @@ EXPRESSION [string]
 .. index::
    pair: CLASS; GROUP
    :name: mapfile-class-group
-    
+
+FALLBACK [true|false]
+    Specifies whether the class should act as a fallback class.
+    A fallback class is applied if and only if none of the previously 
+    defined classes has been applied. This is similar in concept to
+    the :ref:`sld` ElseFilter.
+   .. versionadded:: 8.5
+
 GROUP [string]
     Allows for grouping of classes.  It is only used when a
     `CLASSGROUP` at the :ref:`LAYER` level is set. If the `CLASSGROUP`
diff --git a/en/ogc/sld.txt b/en/ogc/sld.txt
index 142596cebad..b5b26378e7a 100644
--- a/en/ogc/sld.txt
+++ b/en/ogc/sld.txt
@@ -10,7 +10,7 @@
 :Author: Jeff McKenna
 :Contact: jmckenna at gatewaygeomatics.com
 :Author: Yewondwossen Assefa
-:Last Updated: 2024-06-27
+:Last Updated: 2025-08-18
 
 .. contents::
     :depth: 2
@@ -250,12 +250,12 @@ RasterSymbolizer    Yes       Applies for 8-bit rasters
   For each rule containing a filter, there is a class created with the
   class expression set to reflect that filter. Available filters that
   can be used are Comparison Filters and Logical Filters (see the
-  :ref:`Filter Encoding HowTo <filter_encoding>`).  The ElseFilter
-  parameters are converted into a class in MapServer and placed at the
-  end of the class list with no expression set. They are used to
-  render elements that did not fit into any other classes.
+  :ref:`Filter Encoding HowTo <filter_encoding>`). The ElseFilter
+  parameters are converted into a class without an expression, placed
+  at the end of the class list, and flagged as fallback. They are used
+  to render elements that did not fit into any other classes.
   
-- MinScaleDenomibator and MaxScaleDenominator are translated in minscale and 
+- MinScaleDenominator and MaxScaleDenominator are translated in minscale and 
   maxscale in MapServer.
   
 The following are examples of valid requests using the Filters:
@@ -792,6 +792,8 @@ Other Items Implemented
   - Referencing an SLD file in the LAYER :ref:`STYLEITEM <mapfile-layer-styleitem>`
   - Reading SLD strings when from an attribute defined in the LAYER :ref:`STYLEITEM <mapfile-layer-styleitem>`
 
+- Added the `FALLBACK` keyword in :ref:`CLASS` to support the functionality of `ElseFilter` in SLD.
+
 Issues Found During Implementation
 ==================================
 

From 731d24db4e9b7888242f03084c3eac89b4d60024 Mon Sep 17 00:00:00 2001
From: Patrik Sylve <patrik.sylve@t-kartor.com>
Date: Mon, 18 Aug 2025 15:04:41 +0200
Subject: [PATCH 2/2] Added FALLBACK index

---
 en/mapfile/class.txt | 8 ++++++--
 en/ogc/sld.txt       | 2 +-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/en/mapfile/class.txt b/en/mapfile/class.txt
index 79c5fe1be6f..5db0dbabd44 100644
--- a/en/mapfile/class.txt
+++ b/en/mapfile/class.txt
@@ -93,8 +93,8 @@ EXPRESSION [string]
         |RUNSUB|
 
 .. index::
-   pair: CLASS; GROUP
-   :name: mapfile-class-group
+   pair: CLASS; FALLBACK
+   :name: mapfile-class-fallback
 
 FALLBACK [true|false]
     Specifies whether the class should act as a fallback class.
@@ -103,6 +103,10 @@ FALLBACK [true|false]
     the :ref:`sld` ElseFilter.
    .. versionadded:: 8.5
 
+.. index::
+   pair: CLASS; GROUP
+   :name: mapfile-class-group
+
 GROUP [string]
     Allows for grouping of classes.  It is only used when a
     `CLASSGROUP` at the :ref:`LAYER` level is set. If the `CLASSGROUP`
diff --git a/en/ogc/sld.txt b/en/ogc/sld.txt
index b5b26378e7a..a17bebdcc84 100644
--- a/en/ogc/sld.txt
+++ b/en/ogc/sld.txt
@@ -792,7 +792,7 @@ Other Items Implemented
   - Referencing an SLD file in the LAYER :ref:`STYLEITEM <mapfile-layer-styleitem>`
   - Reading SLD strings when from an attribute defined in the LAYER :ref:`STYLEITEM <mapfile-layer-styleitem>`
 
-- Added the `FALLBACK` keyword in :ref:`CLASS` to support the functionality of `ElseFilter` in SLD.
+- Added the `FALLBACK` keyword in :ref:`CLASS <mapfile-class-fallback>` to support the functionality of `ElseFilter` in SLD.
 
 Issues Found During Implementation
 ==================================