diff -r 23de24f57566 roundup/cgi/templating.py
--- a/roundup/cgi/templating.py	Sun Nov 25 18:24:28 2012 -0500
+++ b/roundup/cgi/templating.py	Sun Dec 02 19:29:36 2012 -0500
@@ -838,7 +838,7 @@
                     pass
                 else:
                     id = self._klass.get(self._nodeid, prop_n, None)
-                    current[prop_n] = '<a href="%s%s">%s</a>'%(
+                    current[prop_n] = '<a rel="nofollow" href="%s%s">%s</a>'%(
                         classname, id, current[prop_n])
 
         # get the journal, sort and reverse
@@ -859,7 +859,7 @@
             if action == 'link' and type(args) == type(()):
                 if len(args) == 3:
                     linkcl, linkid, key = args
-                    arg_s += '<a href="%s%s">%s%s %s</a>'%(linkcl, linkid,
+                    arg_s += '<a rel="nofollow" href="%s%s">%s%s %s</a>'%(linkcl, linkid,
                         linkcl, linkid, key)
                 else:
                     arg_s = str(args)
@@ -867,7 +867,7 @@
             elif action == 'unlink' and type(args) == type(()):
                 if len(args) == 3:
                     linkcl, linkid, key = args
-                    arg_s += '<a href="%s%s">%s%s %s</a>'%(linkcl, linkid,
+                    arg_s += '<a rel="nofollow" href="%s%s">%s%s %s</a>'%(linkcl, linkid,
                         linkcl, linkid, key)
                 else:
                     arg_s = str(args)
@@ -937,7 +937,7 @@
                                     subml.append('<strike>%s</strike>'%label)
                                 else:
                                     if hrefable:
-                                        subml.append('<a href="%s%s">%s</a>'%(
+                                        subml.append('<a rel="nofollow" href="%s%s">%s</a>'%(
                                             classname, linkid, label))
                                     elif label is None:
                                         subml.append('%s%s'%(classname,
@@ -964,7 +964,7 @@
                                 label = None
                         if label is not None:
                             if hrefable:
-                                old = '<a href="%s%s">%s</a>'%(classname,
+                                old = '<a ref="nofollow" href="%s%s">%s</a>'%(classname,
                                     args[k], label)
                             else:
                                 old = label;