On Jun 17, 2010, at 4:15 PM, Tom Lane wrote:
>> Using % would also mean that sometime in the future we can implement !%
>> as "elements NOT in this list" (i.e. ' a => 1, b => 2, c => 5' !% 'a, b'
>> == 'c => 5' )
>
> You can prepend ! to any operator name at all, so that's not much of
> a differentiator.
%!> then. :-)
David
