Enumerated lists

1. This is an enumerated list.

2. Enumerators may be arabic numbers, letters, or roman numerals.

And a deeper list:

1. Item 1 initial text.

   1. Item 1a.

   2. Item 1b.

   1. 1. Item 2a.

      2. Item 2b.

      Paragraph in list...

And not in list anymore.