--- a/doc/conf.py	Wed Apr 25 00:06:27 2012 +0200
+++ b/doc/conf.py	Wed Apr 25 15:06:28 2012 +0200
@@ -25,7 +25,7 @@
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sphinx.ext.autodoc', 'sphinx.ext.doctest', 'sphinx.ext.todo', 'sphinx.ext.coverage', 'sphinx.ext.ifconfig', 'sphinx.ext.viewcode']
+extensions = ['sphinx.ext.autodoc', 'sphinx.ext.doctest', 'sphinx.ext.todo', 'sphinx.ext.coverage', 'sphinx.ext.ifconfig', 'sphinx.ext.viewcode','sphinx.ext.extlinks']
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
@@ -242,3 +242,5 @@
 #texinfo_show_urls = 'footnote'
 
 autoclass_content = 'both'
+
+extlinks = {'irofile': ("../files/iro-%s.tar.gz","Iro ")}