From: Regina Obe <lr@pcorp.us>
Date: Tue, 19 Feb 2013 23:03:31 +0000 (+0000)
Subject: #2208 : document that ST_PointN no longer works with first linestring of multilinestring
X-Git-Tag: 2.1.0beta2~201
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e0c256a2ce8bf9c0a4927131b196d6600375f208;p=postgis

#2208 : document that ST_PointN no longer works with first linestring of multilinestring

git-svn-id: http://svn.osgeo.org/postgis/trunk@11103 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/doc/reference_accessor.xml b/doc/reference_accessor.xml
index 909596619..d91068465 100644
--- a/doc/reference_accessor.xml
+++ b/doc/reference_accessor.xml
@@ -1909,7 +1909,7 @@ VALUES (ST_GeomFromEWKT('POLYHEDRALSURFACE( ((0 0 0, 0 0 1, 0 1 1, 0 1 0, 0 0 0)
 	  <refsection>
 		<title>Description</title>
 
-		<para>Return the Nth point in the first linestring or circular linestring in the
+		<para>Return the Nth point in a single linestring or circular linestring in the
 			geometry. Return NULL if there is no linestring in the
 			geometry.</para>
 
@@ -1927,6 +1927,9 @@ VALUES (ST_GeomFromEWKT('POLYHEDRALSURFACE( ((0 0 0, 0 0 1, 0 1 1, 0 1 0, 0 0 0)
 		<para>&sqlmm_compliant; SQL-MM 3: 7.2.5, 7.3.5</para>
 		<para>&Z_support;</para>
 		<para>&curve_support;</para>
+		<note><para>Changed: 2.0.0 no longer works with single geometry multilinestrings.  In older
+	  versions of PostGIS -- a single line multilinestring would work happily with this
+	  function and return the start point.  In 2.0.0 it just returns NULL like any other multilinestring.</para></note>
 
 	  </refsection>