RE: [Demo notebook] Workbench questions: what to record before asking for service · RWI-19403

Case 36 — Crystal reflections: why a dark patch is not a coating test

Limit of the answer in “Crystal reflections: why a dark patch is not a coating test”: “No single lighting setup settles…” is an excerpt from the discussion, not an independent verification. A reader needs the relevant original material before treating an interpretation as established. Review focus: scope. Keep the stated question separate from any broader claim.