I was about to try to debug a window resizing issue, and it looked as
if this patch had a plausible set of diagnostics already. But in fact
when I turned on this #ifdef it failed to compile, so I'm getting rid
of it.
Perhaps there is a use for having types of diagnostic living
permanently in the source code and easy to enable in themed sets, but
if so, I think they'd be better compiled in and enabled by an option,
than compiled out and enabled by #ifdef. That way they're less likely
to rot, and also, you can ask a user to turn one on really easily and
get extra logs for whatever is bothering them!
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