document the new ST_MakeEnvelope variant (pretend like its used default paramters...

git-svn-id: http://svn.osgeo.org/postgis/trunk@8356 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/reference_constructor.xml b/doc/reference_constructor.xml
index 2301b5c45caf49d59d7e2222f6b3a5227d0a45d9..022101272ee7c3e0952ecdc5d4cb6ed43782c41d 100644 (file)
--- a/doc/reference_constructor.xml
+++ b/doc/reference_constructor.xml
@@ -1342,18 +1342,18 @@ LINESTRING(1 2 3,3 4 5,6 6 6)
                        <paramdef><type>double precision</type> <parameter>ymin</parameter></paramdef>
                        <paramdef><type>double precision</type> <parameter>xmax</parameter></paramdef>
                        <paramdef><type>double precision</type> <parameter>ymax</parameter></paramdef>
-                       <paramdef><type>integer </type> <parameter>srid</parameter></paramdef>
+                       <paramdef choice='opt'><type>integer </type> <parameter>srid=unknown</parameter></paramdef>
                  </funcprototype>
-               </funcsynopsis>
                </refsynopsisdiv>
 
                <refsection>
                        <title>Description</title>
 
                        <para>Creates a rectangular Polygon formed from the minima and maxima. by the given shell. Input
-                               values must be in SRS specified by the SRID.</para>
+                               values must be in SRS specified by the SRID.  If no SRID is specified the unknown spatial reference system is assumed</para>
                                
                        <para>Availability: 1.5</para>
+                       <para>Enhanced: 2.0: Ability to specify an envelope without specifying an SRID was introduced.</para>
 
                </refsection>