message: new pages should inherit the hash of the old pages
diff: @@ -88,8 +88,13 @@ export class Directory extends Base {
  }
  setPage(name, page) {
  + const oldPage = this.pages.get(name);
  page.parent = this;
  this.pages.set(name, page);
  +
  + if (oldPage) {
  + page.dest.hash = oldPage.dest.hash;
  + }
  }
  unsetPage(name) {
  