When is design refresh for Bookmark.nsf triggered?

When is design refresh for Bookmark.nsf triggered?

I wanted to know when does Lotus Notes refresh the design of the Bookmark.nsf from Bookmark.ntf, i.e. after how many (or which) design elements have been deleted from Bookmark.nsf triggers the design refresh.

I tried the followin combinations:

  1. Deleted all framesets → Triggered design refresh at start of Lotus Notes

  2. Deleted one frameset → Does NOT trigger design refresh at start of Lotus Notes

  3. Deleted Welcome frameset → Does NOT trigger design refresh at start of Lotus Notes

Subject: answered in your duplicate question below <>