Fix EXPRESSION indentation and add RUNSUB note for relevant attributes

en/mapfile/class.txt

@@ -70,17 +70,20 @@ EXPRESSION [string]
       =, or, and, lt, gt, ge, le, eq, ne, in, ~, ~\*.  As one might
       expect, this level of complexity is slower to process.
 
-      - One string function exists: length(). It computes the length
-        of a string:
+    - One string function exists: length(). It computes the length
+      of a string:
 
-        .. code-block:: mapfile
+      .. code-block:: mapfile
 
-           EXPRESSION (length('[NAME_E]') < 8)                      
+         EXPRESSION (length('[NAME_E]') < 8)                      
 
     String comparisons and regular expressions work from the classitem
     defined at the layer level. You may mix expression types within
     the different classes of a layer.
 
+    .. note::
+        |RUNSUB|
+
 .. index::
    pair: CLASS; GROUP
 
@@ -115,6 +118,8 @@ GROUP [string]
         ...
       END # layer
 
+    .. note::
+        |RUNSUB|
 
 .. index::
    pair: CLASS; KEYIMAGE
@@ -125,7 +130,10 @@ KEYIMAGE [filename]
     Full filename of the legend image for the :ref:`CLASS`. This image
     is used when building a legend (or requesting a legend icon via
     MapScript or the :ref:`CGI application <cgi>`).
-
+
+    .. note::
+        |RUNSUB|
+
 .. index::
    pair: CLASS; LABEL
 
@@ -244,7 +252,10 @@ STATUS [on|off]
 :ref:`TEMPLATE <template>` [filename]
     Template file or URL to use in presenting query results to the
     user.  See :ref:`template` for more info.
-
+
+    .. note::
+        |RUNSUB|
+
 .. index::
    pair: CLASS; TEXT
 
@@ -264,12 +275,18 @@ TEXT [string|expression]
 
       TEXT ("Area is: " + tostring([area],"%.2f"))
 
+    .. note::
+        |RUNSUB|
+
 .. index::
    pair: CLASS; TTILE
 
 TTILE [string]
     Text used for legend labelling. 
 
+    .. note::
+        |RUNSUB|
+
 .. index::
    pair: CLASS; VALIDATION
 
@@ -279,6 +296,3 @@ TTILE [string]
     As of MapServer 5.4.0, `VALIDATION` blocks are the preferred
     mechanism for specifying validation patterns for CGI param runtime
     substitutions.  See :ref:`RUNSUB`.
-
-
-