manual.texi Add new TZ-capable date type to TODO list

Docs/manual.texi:
  Add new TZ-capable date type to TODO list
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

BitKeeper/etc/logging_ok

@@ -3,3 +3,4 @@ mwagner@evoq.home.mwagner.org
 paul@central.snake.net
 sasha@mysql.sashanet.com
 serg@serg.mysql.com
+tim@threads.polyesthetic.msg

Docs/manual.texi

@@ -42622,6 +42622,9 @@ can gracefully recover if the index file gets full.
 If you perform an @code{ALTER TABLE} on a table that is symlinked to another
 disk, create temporary tables on this disk.
 @item
+Implement a date/datetime type that handles time zone information properly,
+so that dealing with dates in different time zones is easier.
+@item
 FreeBSD and MIT-pthreads;  Do sleeping threads take CPU?
 @item
 Check if locked threads take any CPU.