Re: Nested sit-for's

[Chong Yidong]

>>> I don't know if it is related, but from time to time (at least a few
>>> times daily), the cursor disappears, and doesn't return until I
>>> do "something" (e.g. click the mouse or type a key).
>>>
>>> I use blinking cursor, but when this happens, it typically seems to
>>> happen immediately after some event that updates part of the screen
>>> (like buffer switching), i.e. not as an effect of first showing the
>>> cursor and then "blinking it off".

Another possible thing to check is whether the cursor is simply not
being drawn, or simply not being updated.  Maybe this might help?

  (setq blink-cursor-alist (list (cons t 'hollow)))