Mistakes and changes

Things move on. Accuracy at the time of writing is no guarantee of accuracy at the time of reading.

Links to other websites

Pages elsewhere are revised on their owners' schedules, not this one's. What a link pointed to when it was added may not be what it points to today.

Keeping this current

This notice may change. The version shown here is the current notice.

Getting in touch

To ask about a point covered on these pages, the address to use is [email protected].