>>> I also think this should be in an external plugin, not in ikiwiki.
>>>
+I find CSS3 support still spotty... Here are some notes on how to do this in IkiWiki with jQuery: <http://iki.u32.net/setup/External_Links> --[[sabr]]
+
> If you need to achieve this in IkiWiki itself, I imagine you could create a
> plugin which runs in the `format` phase of rendering and search/replaces
> specific link patterns. This should be a fairly simple exercise in regular
> Reason is that there are many ways for external links to get into an
> ikiwiki page, including being entered as raw html. The only time ikiwiki
> controls a link is when an internal link is added using a WikiLink.
+>
+> (Note that tags get their own special
+> [[rel_attribute|rel_attribute_for_links]] now that CSS can use.)
+>
> --[[Joey]]