Method isExcluded

src/main/java/fieldbox/boxes/plugins/Variant.java:402–406

(Box x, String t)

	}

	private boolean isExcluded(Box x, String t) {
		if (t.equals("")) return false;
		return x.properties.getOrConstruct(excludes)
			.contains(t);
	}

	private boolean isIncluded(Box x, String t) {
		if (t.equals("")) return true;