9. The method according to claim 1 , wherein the data describing the document structure model describe at least one group of items within which at least one other group of items is nested, a group of items describing a structure of the items constituting an element, and at least one of the recordings is associated with each group of items and gives information on the minimum and maximum numbers of occurrences of the group as defined by the document structure model.
9. The method according to claim 1 , wherein the data describing the document structure model describe at least one group of items within which at least one other group of items is nested, a group of items describing a structure of the items constituting an element, and at least one of the recordings is associated with each group of items and gives information on the minimum and maximum numbers of occurrences of the group as defined by the document structure model. 10. The method according to claim 9 , wherein at least one recording associated with a group gives information on the number of possible types of item able to succeed in the group and, according to the document structure model, an item preceding the group or an item in the group, the group being iterated.