On 2022-04-07 11:02 (-4), William F Pokorny wrote:
> 
> Aside: My current povr issues warnings for the bounded_by usage in the
> include file. This user bounding is likely getting stripped given +UR
> now long the default. My v3.7 and v3.8 official versions issue no
> warnings at all(a). I don't remember making any changes specifically to
> get the warnings - FWIW.
> 
> (a) - Despite claims all user bounding is getting stripped by default,
> there are a few obscure exceptions in the official versions of POV-Ray
> where user bounds are respected no matter the +ur/-ur settings. The povr
> fork changed the code so +ur/-ur always strips the user bounding, or
> not, on the +ur/-ur setting. It might be the difference in warnings here
> is due bounded_by usage that happens to be one of the v3.7/v3.8,
> official release, 'hidden / always use a user's bounded_by' exceptions.
> I didn't investigate.

I decided long ago to sidestep bounded_by issues by avoiding bounded_by
altogether. When I need to bound something manually, I just do an
intersection with the bounding shape.

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