[Python-3000] not switching core VCS (was How to override io.BytesIO and io.StringIO with their optimized C version?)

["Martin v. Löwis"]

> Here's a simple one: how about not having your vcs force you to commit
> changes to a public repository before you're ready?  Under svn if you
> modify a file and before you commit it decide you want to rename it,
> svn puts up roadblocks, sometimes forcing you to commit your
> modification before you can do the rename.  bzr just does what you
> tell it to do.

I don't see that as an advantage - it doesn't solve a problem that
I actually ever have. I rarely want to rename files, and renaming
files in the Python repository requires consensus, anyway, so any
renaming *should not* be committed along with other changes.

Regards,
Martin