Accuracy and currency
This is written carefully, but it is offered without any warranty that it is complete, up to date, or correct in every detail. Subjects like this move, and a page can fall behind what it describes.
Other websites
A link may lead to a website someone else runs. Their content and their handling of visitors are theirs to answer for.
Updates to this notice
Expect this to be revised from time to time. The current position is whatever this page says.
Getting in touch
[email protected] is the address for correspondence about a point covered on these pages.