Re: [CSS21] Grammar references for inherit, auto, none, and other keywords...

Justin Rogers wrote:
> I’ve looked a bit and can’t seem to find where we lock down these 
> keywords. I’m assuming that inherit is really {I}{N}{H}{E}{R}{I}{T} 
> based on how other browsers match and I know we’ve been slowly locking 
> down other keywords (or at least talking about them) such as “url(” 
> being instead {U}{R}{L}”(“.
> 
> I want to make sure there aren’t open opportunities for a bunch of 
> filters caused by Unicode case folding.

http://www.w3.org/Style/css2-updates/CR-CSS21-20070719-errata.html#s.4.1.3a

See also
   http://www.w3.org/blog/CSS/2007/12/12/case_sensitivity

~fantasai