Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp> writes:
>> My hoary animal prairiedog doesn't like this [1]:
> My machine (Ubuntu 20) did not complain either. Maybe perl version
> difference? Any way, the fix pushed. Let's see how prairiedog feels.
Still not happy. After some digging in man pages, I believe the
problem is that its old version of Perl does not understand "\gN"
backreferences. Is there a good reason to be using that rather
than the traditional "\N" backref notation?
regards, tom lane