<A>bort and not save
<C>ontinue writing text
<D>elete lines of text
<E>dit a line
<F>ree space left
<H>elp (fully explained)
<L>ist the text by line numbers
<R>etype the last line
<S>tore current text
<?> - Help (this display)

While entering text:
^X (Control x) - Erase entire line
^W (Control w) - Erase last word