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  I want to enter sub-items, but I can't see where to add them!

To add sub-items to the list of significant elements, click on the button  to the left of the concerned item, then enter the sub-item in the field that appears.

 

If you do not see a button  in front of the concerned item, you have not activated the sub-items: to do so, click on the button  in the top right-hand corner of the grid, then tick the option Manage the sub-items. Caution, if you change your mind after entering sub-items and un-tick this box, previously added sub-items will be deleted.