"David E. Wheeler" <david@kineticode.com> writes:
> On Sep 18, 2015, at 7:29 AM, Teodor Sigaev <teodor@sigaev.ru> wrote:
>> Fixed (9acb9007de30b3daaa9efc16763c3bc6e3e0a92d), but didn't backpatch because it isn't a critical bug.
> Great, thank you!
> For those on older versions, what’s the simplest workaround?
FWIW, I thought this would be a reasonable thing to back-patch.
It's not as though contrib/citext hasn't been around for awhile.
regards, tom lane