Re: xpath processing brain dead

Tom Lane wrote:
> Andrew Dunstan <andrew@dunslane.net> writes:
>   
>> Tom Lane wrote:
>>     
>>> I'm okay with removing this for 8.4, but I think it's too late to
>>> change the behavior of 8.3.
>>>       
>
>   
>> It's never too late to fix a bug.
>>     
>
> When the proposed fix involves breaking cases that used to behave
> usefully, you need a much stronger argument than that.
>   


What I have proposed for 8.3 should not break a single case that 
currently behaves usefully. If anyone has a counter-example please show it.

What I have proposed for 8.4 possibly would break current "useful" 
behaviour (FSVO "useful"), but should be done anyway on correctness grounds.


cheers

andrew