Rob Church wrote:
[Now, I happen to know that despite this guideline, there *is* a schema change somewhere between 1.5.0 and 1.5.7. The transwiki table is missing from the table definitions somewhere along the line, although it has been included in the updaters.]
It's not used, however, so it's completely harmless unless you enable an obscure non-default configuration option.
-- brion vibber (brion @ pobox.com)