I wrote:
> This commit occurred during that interval between where we'd initially
> branched 7.3 and where we moved it up to head. I think what happened
> was that I tried to back-patch a fix into what was then the 7.3 branch,
> and when Marc moved the branch point, these commits all ended up
> orphans. So indeed there's no harm discarding them. (I always
> suspected that what Marc had done wasn't entirely kosher, and yup,
> now the chickens are coming home to roost.)
BTW, if you're wondering why there was only one such commit, it's
because we decided to not maintain the branch only a day after Marc had
sprouted it. See discussion here:
http://archives.postgresql.org/pgsql-hackers/2002-09/msg01733.php
regards, tom lane