The other items to confirm:
1. When a page is shared with a group and a comment is inserted on the page, the event log has recorded this fact: event = sharedcommenttogroup.
2. When entering a comment on a standard page, an event is generated in the event log.
3. When entering a comment on a group page (not shared), an event is generated in the event log.
4. And of course, the warning message no longer appears when importing a page with a comment.
The other items to confirm:
1. When a page is shared with a group and a comment is inserted on the page, the event log has recorded this fact: event = sharedcommentto group.
2. When entering a comment on a standard page, an event is generated in the event log.
3. When entering a comment on a group page (not shared), an event is generated in the event log.
4. And of course, the warning message no longer appears when importing a page with a comment.