Instead of stuffing an unordered, or ordered, list inside li
element of the parent ol
list, the start
attribute is used to resume the list item counter from the, uhm, just see the example: <ol><li>This is the first ordered list item.</li></ol><ul><li>This is an unordered list item.</li></ul><ol start="2"><li>This is the second ordered list item.</li></ol>