Mark Dilger <mark(dot)dilger(at)enterprisedb(dot)com> writes:
> Applying your <alternate-backref-corner-case-fix-1.patch> to master changes the outcome of some regular expression queries, but I *think* it changes them for the better.
[ squint... ] You sure you applied the patch properly? All these examples
give me the same results in HEAD (with said patches as-committed) and v13.
regards, tom lane