If a user has tabs set at a value other than 8, the output of the usage may not be consistently aligned.
% tabs -2
Before:
% ping usage: ping [-4AaDdfHnoQqRrv] [-C pcp] [-c count] [-G sweepmaxsize] [-g sweepminsize] [-h sweepincrsize] [-i wait] [-l preload] [-M mask | time] [-m ttl] [-P policy] [-p pattern] [-S src_addr] [-s packetsize] [-t timeout] [-W waittime] [-z tos] IPv4-host ping [-4AaDdfHLnoQqRrv] [-C pcp] [-c count] [-I iface] [-i wait] [-l preload] [-M mask | time] [-m ttl] [-P policy] [-p pattern] [-S src_addr] [-s packetsize] [-T ttl] [-t timeout] [-W waittime] [-z tos] IPv4-mcast-group ping [-6AaDdfHnNoOquvyY] [-b bufsiz] [-c count] [-e gateway] [-I interface] [-i wait] [-k addrtype] [-l preload] [-m hoplimit] [-p pattern] [-P policy] [-S sourceaddr] [-s packetsize] [-t timeout] [-W waittime] [-z tclass] [IPv6-hops ...] IPv6-host
After:
% ping usage: ping [-4AaDdfHnoQqRrv] [-C pcp] [-c count] [-G sweepmaxsize] [-g sweepminsize] [-h sweepincrsize] [-i wait] [-l preload] [-M mask | time] [-m ttl] [-P policy] [-p pattern] [-S src_addr] [-s packetsize] [-t timeout] [-W waittime] [-z tos] IPv4-host ping [-4AaDdfHLnoQqRrv] [-C pcp] [-c count] [-I iface] [-i wait] [-l preload] [-M mask | time] [-m ttl] [-P policy] [-p pattern] [-S src_addr] [-s packetsize] [-T ttl] [-t timeout] [-W waittime] [-z tos] IPv4-mcast-group ping [-6AaDdfHnNoOquvyY] [-b bufsiz] [-c count] [-e gateway] [-I interface] [-i wait] [-k addrtype] [-l preload] [-m hoplimit] [-p pattern] [-P policy] [-S sourceaddr] [-s packetsize] [-t timeout] [-W waittime] [-z tclass] [IPv6-hops ...] IPv6-host