Minor fixups to ST_Polygon in docs. Ticket is #1929.

git-svn-id: http://svn.osgeo.org/postgis/trunk@10098 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/reference_raster.xml b/doc/reference_raster.xml
index 6fc99bd375799a04324a605ce17ad9f7d5792e52..1dc79595616075427e5dfeab1a6354520e2bf4dc 100644 (file)
--- a/doc/reference_raster.xml
+++ b/doc/reference_raster.xml
@@ -4798,7 +4798,7 @@ SELECT ST_UpperLeftX(ST_SnapToGrid(ST_AddBand(ST_MakeEmptyRaster(10, 10, 0, 0, 0
                        <refsection>
                                <title>Description</title>
                                
-                               <para>Sets the value that represents no data for the band.  Band 1 is assumed if not specified. This will effect <xref linkend="RT_ST_Polygon" /> and <xref linkend="RT_ST_ConvexHull" /> results.</para>
+                               <para>Sets the value that represents no data for the band.  Band 1 is assumed if not specified. This will affect results from <xref linkend="RT_ST_Polygon" />, <xref linkend="RT_ST_DumpAsPolygons" />, and the ST_PixelAs...() functions.</para>
                                </refsection>
                                
                                <refsection>
@@ -7865,8 +7865,8 @@ SELECT ST_MapAlgebraFctNgb(rast, 1,  '8BUI', 4,4,
                  <refsection>
                        <title>Description</title>
                                <para>Availability: 0.1.6 Requires GDAL 1.7 or higher.</para>
-                               <para>Enhanced: 2.1.0 Improved Speed (fully C-Based)</para>
-                               <para>Changed: 2.1.0 In prior versions would sometimes return a polygon, changed to always return multipolygon</para>
+                               <para>Enhanced: 2.1.0 Improved Speed (fully C-Based) and the returning multipolygon is ensured to be valid.</para>
+                               <para>Changed: 2.1.0 In prior versions would sometimes return a polygon, changed to always return multipolygon.</para>
                  </refsection>
        
                  <refsection>
@@ -8834,7 +8834,7 @@ a_rid | b_rid | overleft
 
                        <warning>
                                <para>
-                                       Changed: In 2.1.0, the behavior of the ST_Intersects(raster, geometry) variants changed to match that of ST_Intersects(geometry, raster).
+                                       Changed: 2.1.0 The behavior of the ST_Intersects(raster, geometry) variants changed to match that of ST_Intersects(geometry, raster).
                                </para>
                        </warning>