You got me.. I just took a gander at some of the documentation, and I see nothing mentioning this feature (I guess cursor position works?).
Here is an exerpt from the man page:
The editor has five basic features:
paragraph justification, searching, block cut/paste, a
spelling checker, and a file browser.
I think that it is saying it works great for simple text editing, however it's not nearly as powerful as the almighty vi or vim