Also see section Common options . Do not join short lines to form longer ones. Reduce spacing between words to one space, and spacing between sentences to two spaces. The prefix and any preceding whitespace are stripped for the formatting and then re-attached to each formatted output line. One use is to format certain kinds of program comments, while leaving the code unchanged.
Form feeds in the input cause page breaks in the output.
The program accepts the following options. Also see section Common options . Print columns across rather than down. Balance columns on the last page. By default, unprintable characters are not changed.