Re: Unicode escapes in literals

Andrew Sullivan <ajs@commandprompt.com> writes:
> On Thu, Oct 23, 2008 at 06:04:43PM +0300, Peter Eisentraut wrote:
>> Yeah, excellent question.  It seems completely unnecessary, but it is 
>> surely there in the syntax diagram.

> Probably because many Unicode representations are done with "U+"
> followed by 4-6 hexadecimal units, but "+" is problematic for other
> reasons (in some vendor's implementation)?

They could hardly ignore the conflict with the operator interpretation
for +.  The committee has now cut themselves off from ever having a
standard operator named &, but I suppose they didn't think ahead to that.
        regards, tom lane