Should be including this in backup & restore?
- 1 dir per user, each dir with its own comments.xml, blocks subdir... (i.e. handling them like any other context)
- add that information to the users.xml file, so each user will have his comments, blocks... there
To consider, but keeping it lower priority.
Note: user files (icon/profile/private) are already being saved by backup_annotate_all_user_files()