17. The computer program product of claim 16 further comprising computer readable program code configured to classify a structural element of the structured document according to a presentation attribute.
17. The computer program product of claim 16 further comprising computer readable program code configured to classify a structural element of the structured document according to a presentation attribute. 18. The computer program product of claim 17 wherein the computer readable program code configured to classify a structural element comprises: computer readable program code configured to identify a presentation attribute for the structural element; computer readable program code configured to identify a classification identifier in dependence upon the presentation attribute; and computer readable program code configured to insert the classification identifier in association with the structural element in the structured document.