>>
>> Thanks for the hint! I don't know CSS3 yet :) What modern and popular
>> WWW browsers do support it now?
+>>
+>>> Safari supports it. Firefoz&Co support most of it. IE6 did not, but IE7
+>>> supports a fair part of CSS3, ans is said to support selectors.
+>>>
+>>> Example on how to use selectors here: http://www.kryogenix.org/days/2002/08/30/external
+>>>
+>>> I also think this should be in an external plugin, not in ikiwiki.
+>>>
> 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
> 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_link]] now that CSS can use.)
+>
> --[[Joey]]