  For
example, you can switch between draft-style and final-copy output.
If you regularly make submissions to publishers and editors who
insist on "typewritten, double-spaced," there&#8217;s a special
macro&mdash;
<a href="docprocessing.html#printstyle">PRINTSTYLE <kbd>TYPEWRITE</kbd></a>&mdash;
that changes typeset documents into ones that would make an
old-school typing teacher proud.  Footnotes, endnotes, tables of
contents, multiple columns, nested lists, recto/verso printing and
user designable headers