Re: [HACKERS] Time to change pg_regress diffs to unified by default?

Re: Andrew Gierth 2019-02-15 <874l95m8w7.fsf@news-spur.riddles.org.uk>
> Also while we're tweaking regression test output, would it be possible
> to have some indicator of whether a test passed because a variant file
> in the resultmap was ignored in favor of the standard result?
> 
> The current system of silently ignoring the resultmap means that nobody
> ever notices when resultmap entries become obsolete....

By the same argument, it should always print which variant file was
used so determining which _N.out files are still in use is possible.

Christoph