I did these things:
* bullet1
* bullet2
* bullet3

I did these too:
* bullet1
* bullet2
* bullet3 this is
a longer one.

And these in order:
1. bullet1
2. bullet2
3. bullet3

Here is an asterisk,
    * What do you think
about it?

I suggest using version
    8. Oops, now this line is treated
as a sub-list.

List with single item:
* bullet1

Another list with single item:
  * bullet1

Yet, another list with single item:
   * bullet1