Control what HTML tag is generated when the user presses Enter. Options are p (paragraph), div, or br (line break).
<richtextbox name="enterKeyP"
toolbar="basic" enter-key-tag="p" height="150px" />
<richtextbox name="enterKeyDiv"
toolbar="basic" enter-key-tag="div" height="150px" />
<richtextbox name="enterKeyBr"
toolbar="basic" enter-key-tag="br" height="150px" />