An Example Document

This document contains material on all level combinations:

Here is some text, a  link to the end of the document , and a picture

that will  appear in the lecturer's own version only.

Here is some text, a  link to the end of the document , and a picture

that will  appear in the presentation but not in the lecture notes.

Here is some text, a  link to the end of the document , and a picture

that will  appear in all versions.
 

Here is some text, a  link to the end of the document , and a picture

that will  appear in the lecture notes but not in the presentation.

The document ends here.