Pure-reference catalog of Michael Bolton's HICCUPPS-F oracle heuristic - the reference points a tester consults to decide 'is this a bug?': History, Image, Comparable products, Claims, Users' desires, Product (internal consistency), Purpose, Standards/statutes, plus Familiar problems. Use mid-session to test an observation against each oracle. For what to VARY use sfdpot-exploratory-heuristic, for what to MODEL use fcc-cuts-vids-heuristic, for quality criteria use crusspic-stmpl-heuristic.