b1.annotationBoundary(ANNO);
b2.annotationBoundary(ANNO_SCRUBBED);
DocOp o1 = DocOpScrub.scrub(b1.buildUnchecked());
DocOp o2 = b2.buildUnchecked();
assertTrue("\n" + o1 + "\n but expected \n" + o2,
OpComparators.SYNTACTIC_IDENTITY.equal(o1, o2));
}
static String leaveInitial(String original, String scrubbed) {