* I haven't decided on a final copyright licence. You may treat this
version as GPLv3.
+ * The program will become confused when the clocks change,
+ particularly when they go backwards. This is due to the chat log
+ containing timestamps in local time without a timezone. If this
+ bothers you, make everything be in UTC. If it does get confused,
+ you can fix it by logging off and logging on again (perhaps waiting
+ until after the duplicated hour has passed) as that writes a new
+ date record to the log and starts a new series of timestamps.
+
Ian.