.\"                                          "/.
.\"            extra stuff for mk            "/.
.\"                                          "/.
.\" Permission to use, copy, modify and/or   "/.
.\" distribute this software for any purpose "/.
.\" with or without fee is hereby granted.   "/.
.\"                                          "/.
.
.eo
.
.\" he -- toc-enabled heading
.de he
. h
\$*
. te .the \$*\t\n%
..
.
.\" se -- toc-enabled subheading
.de se
. s
\$*
. te .the \\h'2n'\$*\t\n%
..
.
.\" the -- toc entry
.de the
. ta \n(.luR
. tc .
\$*
. tc
. br
..
.
.\" n -- numbered list item
.de n
. if !'\$1'' \{\
.  nr ni \$1-1
.  af ni 0
.  if !'\$2'' .af ni \$2
.  ds n. .
.  if !'\$3'' .ds n. \$3
. \}
. nr ni +1
. br
. @e n
. ti \n(tiu
\n(ni\*(n.	\c
..
.
.am @a
. @e n
.  @c p
.  nr sq \n(sp
.  nr sp 0
.  ta 3n +3n +3n +3n
. @e
..
.
.ec