[whatwg] Typo in 4.2.4 - missing "to"

[Chris Cressman]

>From 4.2.4:

"The LinkStyle interface is also be implemented by this element; the
styling processing model defines how."

I believe it should read "The LinkStyle interface is also _to_ be
implemented...".

Chris
--
Chris Cressman
http://chriscressman.com