[issue12892] UTF-16 and UTF-32 codecs should reject (lone) surrogates

[Antoine Pitrou]

Antoine Pitrou added the comment:

> On 08.10.2013 10:46, Antoine Pitrou wrote:
> > 
> > utf-16 isn't that widely used, so it's probably fine if it becomes
> > a bit slower.
> 
> It's the default encoding for Unicode text files and APIs on Windows,
> so I'd say it *is* widely used :-)

I've never seen any UTF-16 text files. Do you have other data?

APIs are irrelevant. You only pass very small strings to then (e.g.
file paths).

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