Accuracy over time

Continuing accuracy is not promised. Anything that matters right now should be checked where it is published officially.

Sites run by others

Once a visitor follows an external link, these terms stop applying and the other operator's begin.

Service availability

Pages may change location, be revised, or become unavailable. No uninterrupted availability or particular outcome is promised.

Raising a question

Questions about any part of these terms should go to [email protected].