Give spatial reference systems section a cutesy anchor.

git-svn-id: http://svn.osgeo.org/postgis/trunk@2978 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/using_postgis.xml b/doc/using_postgis.xml
index 2c4b751d66398bb843e394b8a06eab6e5c02b812..c3c60ec08e543a5875bdc38939e1111beeb69808 100644 (file)
--- a/doc/using_postgis.xml
+++ b/doc/using_postgis.xml
@@ -261,7 +261,7 @@ geometry
     <varname>SPATIAL_REF_SYS</varname> table holds the numeric IDs and textual
     descriptions of coordinate systems used in the spatial database.</para>
 
-    <sect2>
+    <sect2 id="spatial_ref_sys">
       <title>The SPATIAL_REF_SYS Table and Spatial Reference Systems</title>
 
          <para>The spatial_ref_sys table is a PostGIS included and OGC compliant database table that lists over 3000