#2192: doco patch

git-svn-id: http://svn.osgeo.org/postgis/trunk@11252 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/reference_processing.xml b/doc/reference_processing.xml
index c6f8ed42d90b4aeeb6b6c67bcc44b386ab602de0..92acc3a955c8756527c87617117b36a3c38cacff 100644 (file)
--- a/doc/reference_processing.xml
+++ b/doc/reference_processing.xml
@@ -2615,6 +2615,7 @@ FROM (SELECT ST_Buffer('POINT(1 3)', 10,12) As the_geom) As foo;
             </para>
             
             <para>Availability: 2.0.0</para>
+            <note><para>To improve the robustness of ST_Split it may be convenient to <xref linkend="ST_Snap"/> the input to the blade in advance using a very low tolerance. Otherwise the internally used coordinate grid may cause tolerance problems, where coordinates of input and blade do not fall onto each other and the input is not being split correctly (see <ulink url="http://trac.osgeo.org/postgis/ticket/2192">#2192</ulink>).</para></note> 
         
         </refsection>
         <refsection>