4. When poetry is quoted in a prose composition, it should begin on a new line. If the continuation of the prose writing does not call for a new paragraph, the next line of prose text begins without indention.
5. When a prose quotation is introduced, it should be treated as in Rule 4 if it contains more than a single sentence; otherwise it is “run in,” with the proper quotation-marks and punctuation.
6. There are different forms of indention in typography which are used for different purposes, viz.:
Irregular indention.— For this form of indention there are no specified rules, and it is used principally in certain styles of poetry and in display work. {56}
En échelon indention is largely used for display in posters and advertisements. It consists in the diagonal arrangement of words, thus:
CARPETS
CHAIRS
TABLES
STOVES
Hanging indention, which makes the first line of full width and indents all the following lines one or more ems on the left, as shown in these four lines.