The tag used to indicate the end of the book.
How it works
Add $END at the very end of the book.
As Prince Dashing lowered the axe the people saw the slayed beast lying dead. He turned to the pauper girl and kissed her heartily. They were married the next day and lived happily ever after.
$END
This text is ignored.
$END
This text is ignored.
Note: Everything beyond $END is ignored.