> 100 → fill #FFFF00 is the whole fact: a rule is a test plus an effect, and either half alone
leaves the reader with the other to guess. A band rule (color scale, data bar, icon set) has no
predicate and renders itself, so it prints as its mapping and nothing follows the arrow.
stop if true is appended where set, because it changes what the rules BELOW this one do — a
later rule that appears to apply may never be reached.
A conditional format as one line — the predicate, then what it paints.