bug#56559: 29.0.50; Invalid CGContextSaveState on NS

[Gerd Möllmann]

> On 2022-07-15,, at 11:54 , Po Lu <luangruo@yahoo.com> wrote:
> 
> Gerd Möllmann <gerd.moellmann@gmail.com> writes:
> 
>> Doesn't seem to happen.
> 
> Odd, I thought that message was supposed to show up if you try to draw
> something without an active graphics context.  I'm no Mac programmer, so
> I guess someone else should take over at this point.

Coming to think about it, maybe I'm doing something wrong?  How would I check 
for nil in this case?  I did "ctx == nil".  Should that perhaps be "*ctx == 
nil"?  (Sorry, I'm not an ObjC programmer at all.)