Re: [css3-syntax] CSS escape sequences

On 1/12/12 11:40 AM, Mathias Bynens wrote:
> Apologies, I got mixed up with JavaScript again. Here’s a better test
> case: http://jsfiddle.net/mathias/5eqGM/
> WebKit browsers appear to drop the entire `content` declaration, while
> other browsers display U+FFFD followed by either “?” (Trident) or “!”
> (Gecko), or nothing (Presto).

I'm not sure where the "!" thing comes from, but note that U+FFFF is not 
a surrogate.  I believe that the Gecko code just passes it through, 
though arguably it should not...  What happens after that depends on 
what the font subsystem does with U+FFFF.

-Boris