EDIT

ref #6932 Refactor merge and delete handler

clean up

ref #6932 Refactor merge annotating

ref #6932 Ask before permanent delete

ref #6932 further migration of handlers

ref #6932 Fix new element handler and save

ref #6932 Add non-restore tag to bulk editor

ref #6932 Fix intitial layouting of bulk editor

ref #6932 Migrate bulk editor handlers and add annotation merge support

ref #6932 Migrate bulk editor handlers (part I)