Remove: public class PrevCatChecked {
Old: public class CategoryUndoOp {
New: package class CategoryUndoOp {
Old: public class AddCategoryUndoOp {
New: package class AddCategoryUndoOp {
Old: public class RemoveCategoryUndoOp {
New: package class RemoveCategoryUndoOp {
class CategoryUndoOp
Removed: public PrevCatChecked{} theDescendants : stream=null;
Old: public symbol cat;
New: private symbol cat;
Old: public Snapper{} taggedSnappers : stream=null;
New: private Snapper{} taggedSnappers() : stream=null;
Old: public constructor(symbol cat, Snapper{} snappers, PrevCatChecked{} theDescendants = null) {
New: public constructor(symbol cat, Snapper{} snappers) {
