correct proto output type -- ST_Union of rasters always returns a raster

git-svn-id: http://svn.osgeo.org/postgis/trunk@9326 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/reference_raster.xml b/doc/reference_raster.xml
index bdb40c24337e364c81440b4c3f367262bfdcc6cd..125f2c4775895c6384d58d12de54edb952f659e6 100644 (file)
--- a/doc/reference_raster.xml
+++ b/doc/reference_raster.xml
@@ -6940,21 +6940,21 @@ UPDATE wind
                                </funcsynopsis>
                                <funcsynopsis>
                                  <funcprototype>
-                                       <funcdef>geometry <function>ST_Union</function></funcdef>
+                                       <funcdef>raster <function>ST_Union</function></funcdef>
                                        <paramdef><type>raster set</type> <parameter>rast</parameter></paramdef>
                                                <paramdef><type>integer</type> <parameter>band_num</parameter></paramdef>
                                  </funcprototype>
                                </funcsynopsis>
                                <funcsynopsis>
                                  <funcprototype>
-                                       <funcdef>geometry <function>ST_Union</function></funcdef>
+                                       <funcdef>raster <function>ST_Union</function></funcdef>
                                        <paramdef><type>raster set</type> <parameter>rast</parameter></paramdef>
                                        <paramdef><type>text</type> <parameter>p_expression</parameter></paramdef>
                                  </funcprototype>
                                </funcsynopsis>
                                <funcsynopsis>
                                  <funcprototype>
-                                       <funcdef>geometry <function>ST_Union</function></funcdef>
+                                       <funcdef>raster <function>ST_Union</function></funcdef>
                                        <paramdef><type>raster set</type> <parameter>rast</parameter></paramdef>
                                        <paramdef><type>integer</type> <parameter>band_num</parameter></paramdef>
                                        <paramdef><type>text</type> <parameter>p_expression</parameter></paramdef>