try to get optional argument to have brackets using optional tag

git-svn-id: http://svn.osgeo.org/postgis/trunk@7179 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/reference_output.xml b/doc/reference_output.xml
index a52c454a7e0246742f2730495d192788bcc3274e..115840a8ed02ecd0e132ba3325296aea0cf806db 100644 (file)
--- a/doc/reference_output.xml
+++ b/doc/reference_output.xml
@@ -859,7 +859,7 @@ SELECT ST_AsGML(3, ST_GeomFromEWKT('POLYHEDRALSURFACE( ((0 0 0, 0 0 1, 0 1 1, 0
                        <funcprototype>
                                <funcdef>text <function>ST_AsX3D</function></funcdef>
                                <paramdef><type>geometry </type> <parameter>g1</parameter></paramdef>
-                               <paramdef choice="opt"><type>integer </type> <parameter>prec</parameter></paramdef>
+                               <paramdef choice="opt"><type>integer </type> <parameter><optional>prec</optional></parameter></paramdef>
                        </funcprototype>
                </funcsynopsis>
          </refsynopsisdiv>