[Cuis-dev] Clicking the 'collapse' halo handle brings up the debugger

[Pat Foley]

Can you explain this a bit? Does "safer" here means "less likely to be nil"?

Why would "self world" be capable of being nil?
On Apr 5 2021, at 10:28 am, ken.dickey at whidbey.com wrote:
> Safer is
> Object runningWorld
>
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