use charset=UTF-8 instead of encoding=utf-8 in download links
use charset=UTF-8 instead of encoding=utf-8 in download links

Reported by Lachy:
http://krijnhoetmer.nl/irc-logs/whatwg/20100202#l-531

foolip/microdatajs,matt-west/microdatajs,foolip/microdatajs,abernier/microdatajs