On sön, 2010-08-22 at 14:29 -0400, Tom Lane wrote:
> I just noticed that we are now advertising the ability to insert UTF16
> surrogate pairs in strings and identifiers (see section in
> current docs, in particular).  Is this really wise?  I thought that
> surrogate pairs were specifically prohibited in UTF8 strings, because
> of the security hazards implicit in having more than one way to
> represent the same code point.

We combine the surrogate pair components to a single code point and
encode that in UTF-8.  We don't encode the components separately; that
would be wrong.

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