- Fix empty value for attributte name on 'a' tags and add an id to the nearest div container.
- Remove 'type' attribute from 'style' element.
- Correction to the error 'table column x established by element 'col' has no cells beginning in it'. The first row after the header in a table can't use the 'colspan' attribute.
- Fix warning 'Text run is not in Unicode Normalization Form C'.