Happens it is useful to create the text with double distance between lines. On empty lines conveniently by hand to bring a new variant of the text and editorial badges of corrections.
The text with double distance between lines happens is useful to underlining of special importance of text. In special cases it is reception it is combined about text reduction to the top register.
To return to the text a former apearence it is possible by means of action "Join paragraphs" .