-Ikiwiki in svn now has support for using [[../OpenID]], a decentralized
-authentication mechanism that allows you to have one login that you can use
-on a growing number of websites.
+Ikiwiki in svn now has support for using [OpenID](http://openid.net), a
+decentralized authentication mechanism that allows you to have one login
+that you can use on a growing number of websites.