Robert Haas <robertmh...@gmail.com> writes:
> I have yet to understand what we fix by banning \u0000. How is 0000
> different from any other four-digit hexadecimal number that's not a
> valid character in the current encoding? What does banning that one
> particular value do?
BTW, as to the point about encoding violations: we *already* ban \uXXXX
sequences that don't correspond to valid characters in the current
encoding. The attempt to exclude U+0000 from the set of banned characters
was ill-advised, plain and simple.
regards, tom lane
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