On 2023-11-19 03:15 (-4), William F Pokorny wrote:
> 
> My vague recollection is that some time during v3.71->v3.8 development a
> typo was introduced somewhere in the class set up for the spiral 1 & 2
> patterns. We ended up with two spiral1(s) or two spiral2(s) instead of
> one of each - or something similar to that. Likely in pattern.h or
> pattern.cpp or both.

This is a montage of renders of the scene with the POV-Ray versions that
I have, plus 3 versions of UberPOV along the bottom row.  From these, it
appears that the bug was introduced prior to the release candidate phase
of 3.7.1, but after whichever version of 3.7.1 that the latest UberPOV
was based on.

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