Harmonize doco with existing behaviour

git-svn-id: http://svn.osgeo.org/postgis/branches/2.4@16664 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/reference_accessor.xml b/doc/reference_accessor.xml
index 4480cbae6f2c49adb7133d1d7e0f8b884759eb2c..f82dc18a676535a1debc5e22318c2e86b33b3bec 100644 (file)
--- a/doc/reference_accessor.xml
+++ b/doc/reference_accessor.xml
@@ -284,7 +284,7 @@ MULTIPOINT(-1 1 1,1 1 0.75)
                        s2.1.1.1 - returns 0 for <varname>POINT</varname>, 1 for <varname>LINESTRING</varname>, 2 for <varname>POLYGON</varname>, and
                        the largest dimension of the components of a
                        <varname>GEOMETRYCOLLECTION</varname>.
-                       If unknown (empty geometry) null is returned.
+                       If the dimension is unknown (empty <varname>GEOMETRYCOLLECTION</varname>) 0 is returned.
                </para>
 
                <para>&sqlmm_compliant; SQL-MM 3: 5.1.2</para>