Marko Kreen <markokr(at)gmail(dot)com> writes:
> As both this and the doubling-\\ way would mean we should have usable
> alternative in case of stdstr=off also, so in the end we have agreed
> to accept \u also?
Given Martijn's complaint about more-than-16-bit code points, I think
the \u proposal is not mature enough to go into 8.4. We can think
about some version of that later, if there's enough interest.
regards, tom lane