link GRASS Programmer's manual

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@33734 15284696-431f-4ddb-bdfa-cd5b030d7da7

swig/swiglib.dox

@@ -61,4 +61,10 @@ The source code is available here:
 <li> via <a href="http://trac.osgeo.org/grass/browser/grass">SVN TracBrowser interface</a>
 </ul>
 
+<h2>See also</h2>
+
+<ul>
+<li> <a href="http://download.osgeo.org/grass/grass6_progman/>GRASS Programmer's manual</a>
+</ul>
+
 */