Give introduction chapter an id.

This should give it a nice URL online so we can point to credits
from the CREDITS file (#1601)

git-svn-id: http://svn.osgeo.org/postgis/trunk@9431 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/introduction.xml b/doc/introduction.xml
index 887589c915aea16606553b75a930463f06abb279..e072175447b294f54662f0f29d3d2d07a95320cb 100644 (file)
--- a/doc/introduction.xml
+++ b/doc/introduction.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<chapter>
+<chapter id="postgis_introduction">
   <title>Introduction</title>
 
   <para>PostGIS was developed by Refractions Research Inc, as a spatial