If the lines are long and the type small the indention may be two ems.
The indention of paragraphs should be uniform throughout any single book or job.
There are several styles of indention employed in type composition.
Indention of poetry is made with even em quads of the type used.
One of them had an indention in the primer that appeared to be caused by the hammer.
Quotation marks, indention, smaller type, or any of the marks which distinguish quoted matter are sufficient.
The indention at the beginning, and usually the incomplete line at the end, mark its visible limits.
This indention of the margin and the incomplete line at the end mark the visible limits of the paragraph.
If the lines are more than average length the indention may be increased to one and a half ems, two ems, or more.
In many cases, however, rhymes like those above are set without varying the indention.