fix return type

git-svn-id: http://svn.osgeo.org/postgis/trunk@10778 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/extras_topology.xml b/doc/extras_topology.xml
index fc0bfd9b6937a768a9dbdec7c8a259bea0a59f33..2a4e78a6ebfe140c30595c111c1478da128693fa 100644 (file)
--- a/doc/extras_topology.xml
+++ b/doc/extras_topology.xml
@@ -780,14 +780,14 @@ An existing edge may be split by the snapped point.
                                <refname>TopoGeo_AddLineString</refname>
                        
                                <refpurpose>
-Adds a linestring to an existing topology using a tolerance and possibly splitting existing edges/faces.
+Adds a linestring to an existing topology using a tolerance and possibly splitting existing edges/faces. Returns edge identifiers
                                </refpurpose>
                        </refnamediv>
                
                        <refsynopsisdiv>
                                <funcsynopsis>
                                        <funcprototype>
-                                               <funcdef>integer <function>TopoGeo_AddLineString</function></funcdef>
+                                               <funcdef>SETOF integer <function>TopoGeo_AddLineString</function></funcdef>
                                                <paramdef><type>varchar </type> <parameter>toponame</parameter></paramdef>
                                                <paramdef><type>geometry </type> <parameter>aline</parameter></paramdef>
                                                <paramdef choice="opt"><type>float8 </type> <parameter>tolerance</parameter></paramdef>