Automatically fold uninteresting elements - Eclipse

Question

There is an option is eclipse for Automatically fold uninteresting elements. Can anyone explain what does this actually does? Tried googling, but didn't get any valid explanation or answers.

Found below answer:

Should fold comments other than javadoc comments.

But nothing is happening.

Answer 1

If I remember correctly, this is part of Mylin (http://www.eclipse.org/mylyn/), a task-focused interface.