"Redraws will be flushed" translation

[Richard Gaskin]

Mark Schonewille wrote:

 > Previously, these redraws were remembered and executed when the
 > screen was unlocked. As I understand it, the screen is now simply
 > redrawn once, when the screen unlocks. That's a big difference.

I'm probably just pre-coffee, but I'm having a hard time understanding 
the difference.

--
  Richard Gaskin
  Fourth World
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