Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> Tom Lane wrote:
>> The lack of documentation is easily fixed ;-). I don't think this is
>> icky enough to justify breaking all the existing functions we'd
>> undoubtedly break if we changed it.
> We have tightened behaviour in ways much harder to fix in the past, e.g.
> actually following UTF8 rules.
True, but there were clear benefits from doing so. Disallowing "="
assignment in plpgsql wouldn't buy anything, just break programs.
regards, tom lane