• Possibly inappropriate use of a Formula structure element
• Possibly inappropriate use of a Note structure element
• Sect structure element used as root element
• Standard structure type '(0)' is remapped to '(1)'
• Structure type 0 is mapped in a circular fashion
• Tab order entry in page with annotations not set to S
• Table header cell has no associated subcells
• Tagged content present inside an Artifact
• Text object not tagged
• XMP metadata stream missing in document