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On Wed, Oct 2, 2013 at 1:01 AM, Owen Shepherd <> wrote:
> For UCS4, make sure the code points are in range and aren't surrogates.
> For UTF16, make sure that all the surrogates are paired.

That's a good start but you also have to watch out for illegal
characters -- not every value between U+00000 and U+10FFFF is
permitted even after you take the surrogates out.

/s/ Adam