It would be better to find a way to make the toplevel index page not be a
special case at all.
+Here is a patch:
+
--- IkiWiki/Render.pm (revision 1187)
+++ IkiWiki/Render.pm (working copy)
@@ -71,6 +71,7 @@
if (! $skip) {
$path.="../";
+---
+
+> I would like to suggest another tack, namely a bigger, better special case.
+> The basic idea is that all indices of the form foo/bar/index get the wiki path foo/bar.
+> You could do this today using [[todo/index.html_allowed]], except that the toplevel
+> page "index" becomes "", which causes all sorts of chaos. The discussion page would
+> become /discussion, and the weird parentlinks behavior would go away. --Ethan
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