On tor, 2010-10-14 at 08:50 -0400, Robert Haas wrote:
> Still, I don't think it would be unreasonable to add a note to the
> prior-release documentation saying - hey, these functions exist. They
> are for internal use only, and do not exist in later versions. Don't
> use 'em. Now, how many people will actually see that note? Probably
> not many. But it wouldn't bother me to have it there.
Just like there is a philosophical argument against changing the release
notes after the release, there is an argument against changing a past
release to "retroactively predict" how future releases behave. We have
made exceptions to both points on occasion, but usually only for
critical upgrade-related issues.
