mmp/pbr-book-website

Possibly Incorrect Spotlight Documentation

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For spotlights, I believe the documentation for the coneangle parameter is incorrect. At the end, it states:

After this angle and up to "coneangle" + "conedeltaangle", illumination falls off until it is zero.

Shouldn't this be coneangle - conedeltaangle? That seems to match up better with what is described in the online editions here and here.