Hoi, Aryeh Gregor asked me to make these changes ... http://meta.wikimedia.org/w/index.php?title=Www.wikipedia.org_template&diff=1632626&oldid=1630733 these changes fix errors indicated by a validator. http://validator.nu/?doc=http%3A%2F%2Fwww.wikipedia.org&profile=permissive
We can make our content comply with the standards when the language code is changed on the projects as well. I know these changes to be correct.
Please make these changes.. they demonstrate that we are good Internet citizen.. :)