Whether two optional scissors are the same rectangle.
undefined and null both mean "no per-item scissor" — the R-23 optional
field move. Identity is accepted first so a snapshotted node rectangle
compares in one load; value equality covers two independently written
records with the same numbers so a batch run is not split by accident.
Whether two optional scissors are the same rectangle.
undefinedandnullboth mean "no per-item scissor" — the R-23 optional field move. Identity is accepted first so a snapshotted node rectangle compares in one load; value equality covers two independently written records with the same numbers so a batch run is not split by accident.