[whatwg] Valid Unicode

[Elliotte Harold]

Henri Sivonen wrote:

>> 6. Are noncharacters U+FDD0..U+FDEF allowed (?)
>> 7. Are the noncharacters from the last two characters of each plane 
>> allowed (?)
> 
> I don't have particularly strong feelings here. Putting those characters 
> is HTML is a bad idea, but allowing them is not a problem for HTML5 to 
> XHTML5 conversion and they aren't a common problem like C1 controls.

FFFE and FFFF are specifically forbidden by XML so they should probably 
be forbidden here too. I think the others are allowed.

-- 
Elliotte Rusty Harold  elharo at metalab.unc.edu
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