Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> My guess is that there is a one-off bug in there.
At least a two-off ... but I think it's more likely some sort of
wrong-state error, given the narrow places where it happens. I have not
observed any non-comment code being mis-justified, for instance.
regards, tom lane