On 10 Nov 2015, at 02:31, Ken Thomases wrote:
> This fixes a problem where child windows ("owned" windows in Windows parlance)
> would never display their contents on OS X 10.8 or earlier. Beginning with
> 10.9, Cocoa calls -windowDidChangeOcclusionState: when the window becomes
> visible, which is why they display on that version and later.
> ---
> Reported by Huw Davies.
Works great, thanks!
Huw.