Subject: Re: bug#16621: 24.3.50; Periodic timer + overlays = flickering near point

From: Stefan Monnier <[email-masked]>
Date: Wed, 05 Feb 2014 16:46:14 -0500

> So we only need to introduce some infrastructure that would allow us
> to avoid redrawing the cursor on GUI frames, when the text surrounding
> the cursor was not redrawn.

Right.  But if the `redisplay' bit wasn't set, then we shouldn't even
need to look at any part of the window/buffer to decide that there's
nothing to do.

        Stefan