I just implemented this. There is one [[patch]] to the default page template, and a new plugin. -- [[Will]]
+> The use of sessioncgi here seems undesirable: on wikis where anonymity is
+> not allowed, you'll be asked to log in. Couldn't you achieve the same thing
+> by loading the index with IkiWiki::loadindex, like [[plugins/goto]] does?
+> --[[smcv]]
+
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diff --git a/templates/page.tmpl b/templates/page.tmpl