From 8b2edca5e336810949d5fcddfb9d63445d127673 Mon Sep 17 00:00:00 2001
From: Sandro Santilli <strk@keybit.net>
Date: Fri, 22 Apr 2016 09:43:05 +0000
Subject: [PATCH] Add note about ST_IsValid flag argument being an extension to
 specs

git-svn-id: http://svn.osgeo.org/postgis/trunk@14854 b70326c6-7e19-0410-871a-916f4a2858ee
---
 doc/reference_accessor.xml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/doc/reference_accessor.xml b/doc/reference_accessor.xml
index 146432204..8de123109 100644
--- a/doc/reference_accessor.xml
+++ b/doc/reference_accessor.xml
@@ -1313,6 +1313,13 @@ Allowed <varname>flags</varname> are documented in <xref linkend="ST_IsValidDeta
 		<para>&sfs_compliant;</para>
 		<para>&sqlmm_compliant; SQL-MM 3: 5.1.9</para>
 
+		<note>
+			<para>
+Neither OGC-SFS nor SQL-MM specifications include a flag argument
+for ST_IsValid. The flag is a PostGIS extension.
+			</para>
+		</note>
+
 
 	  </refsection>
 
-- 
2.40.0