Index: htmlhelp.py
===================================================================
--- htmlhelp.py	(revision 67072)
+++ htmlhelp.py	(working copy)
@@ -98,6 +98,13 @@
 </OBJECT>
 '''
 
+object_sitemap_seealso = '''\
+<OBJECT type="text/sitemap">
+    <param name="Name" value="%s">
+    <param name="See Also" value="%s">
+</OBJECT>
+'''
+
 # List of words the full text search facility shouldn't index.  This
 # becomes file outname.stp.  Note that this list must be pretty small!
 # Different versions of the MS docs claim the file has a maximum size of
@@ -197,6 +204,10 @@
                 f.write(item.encode('ascii', 'xmlcharrefreplace'))
                 for ref in refs[1:]:
                     f.write(object_sitemap % ('[Link]', ref))
+            else:
+                f.write('<LI> ')
+                item = object_sitemap_seealso % (cgi.escape(title), cgi.escape(title))
+                f.write(item.encode('ascii', 'xmlcharrefreplace'))
             if subitems:
                 f.write('<UL> ')
                 for subitem in subitems: