dmigowski(at)ikoffice(dot)de writes:
> When inserted into an empty DB on an 9.1.2 system, then pg_dump will
> generate wrong CUMMUTATOR clauses, but only for the first operator:
> ...
> Sadly, when I use these operators in my real world database running on
> 9.1.7, the problem is still there:
Indeed, I do not see a problem with this example on 9.1.7. Can you
extract a self-contained example that does fail with 9.1.7?
regards, tom lane