.\"  
.de @revision
.ds RE \\$2
..
.\"
.\" $Id: m.tmac,v 2.26 2005/05/26 06:28:38 wl Exp $
.@revision $Revision: 2.26 $
.ig

Copyright (C) 1991-2000, 2001, 2002, 2003, 2004, 2005
  Free Software Foundation, Inc.
mgm is written by Jörgen Hägg <jh@axis.com>

mgm is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.

mgm is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with groff; see the file COPYING.  If not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.

Please send bugreports with examples to jh@axis.com.

Naming convention stolen from mgs.
Local names	module*name
Extern names	module@name
Env.var		environ:name
Index		array!index
..
.if !\n(.g .ab These mm macros require groff.
.do if d PH .nx
.if \n(.C .ab The groff mm macros do not work in compatibility mode.
.if (\n[.warn] == 65543) .warn
.mso devtag.tmac
.\" ######## init #######
.\"	Contents level [0:14], contents saved if heading level <= Cl
.nr Cl 2
.\"	Eject page between LIST OF XXXX if Cp == 0
.nr Cp 0
.\"	Debugflag
.if !r D .nr D 0
.\"	Eject after floating display is output [0:1]
.nr De 0
.\"	Floating keep output [0;5]
.nr Df 5
.\"	space before and after display if == 1 [0:1]
.nr Ds 1
.\"	Eject page
.nr Ej 0
.\"	Equation label adjust 0=left, 1=right
.nr Eq 0
.\"	Em dash string
.ie n .ds EM " --
.el .ds EM \(em
.\"	Footnote spacing
.nr Fs 1
.\"	H1-H7	heading counters
.nr H1 0 1
.nr H2 0 1
.nr H3 0 1
.nr H4 0 1
.nr H5 0 1
.nr H6 0 1
.nr H7 0 1
.nr H8 0 1
.nr H9 0 1
.nr H10 0 1
.nr H11 0 1
.nr H12 0 1
.nr H13 0 1
.nr H14 0 1
.\"	Heading break level [0:14]
.nr Hb 2
.\"	heading centering level, [0:14]
.nr Hc 0
.\"	header format
.ds HF 2 2 2 2 2 2 2 2 2 2 2 2 2 2
.\"	heading temp. indent [0:2]
.\"	0 -> 0 indent, left margin
.\"	1 -> indent to right , like .P 1
.\"	2 -> indent to line up with text part of preceding heading
.nr Hi 1
.\"	header pointsize
.ds HP 0 0 0 0 0 0 0 0 0 0 0 0 0 0
.\"	heading space level [0:14]
.nr Hs 2
.\"	heading numbering type
.\"	0 -> multiple (1.1.1 ...)
.\"	1 -> single
.nr Ht 0
.\"	Unnumbered heading level
.nr Hu 2
.\"	hyphenation in body
.\"	0 -> no hyphenation
.\"	1 -> hyphenation 14 on
.nr Hy 0
.\"	text for toc, selfexplanatory. Look in the new variable section
.ds Lf LIST OF FIGURES
.nr Lf 1
.ds Lt LIST OF TABLES
.nr Lt 1
.ds Lx LIST OF EXHIBITS
.nr Lx 1
.ds Le LIST OF EQUATIONS
.nr Le 0
.\"	List indent, used by .AL
.nr Li 6
.\"	List space, if listlevel > Ls then no spacing will occur around lists.
.nr Ls 99
.\"	Numbering style [0:5]
.if !r N .nr N 0
.\"	numbered paragraphs
.\"	0 == not numbered
.\"	1 == numbered in first level headings.
.nr Np 0
.\"	Format of figure,table,exhibit,equation titles.
.\"	0= ". ", 1=" - "
.nr Of 0
.\"	Table of contents page numbering style
.nr Oc 0
.\"	Page-number, normally same as %.
.nr P 0
.\"	paragraph indent
.nr Pi 5
.\"	paragraph spacing
.nr Ps 1
.\"	paragraph type
.\"	0 == left-justified
.\"	1 == indented .P
.\"	2 == indented .P except after .H, .DE or .LE.
.nr Pt 0
.\"	Reference title
.ds Rp REFERENCES
.\"	Display indent
.nr Si 5
.\"
.\" Current state of TOC, empty outside TC, inside
.\" it will be set to co,fg,tb,ec,ex or ap.
.ds Tcst
.\"
.ds Tm \(tm
.\"
.\"---------------------------------------------
.\"	Internal global variables
.\"
.\" This is for cover macro .MT
.\" .ds @language
.\"
.nr @copy_type 0
.if r C .nr @copy_type \n[C]
.\" >0 if Subject/Date/From should be bold, roman otherwise
.ie n .ds @sdf_font R
.el .ds @sdf_font B
.if \n[@copy_type]=4 \{\
.	ls 2
.	nr Pi 10
.	nr Pt 1
.\}
.\"
.\"
.if r E \{\
.	ie \n[E] .ds @sdf_font B
.	el .ds @sdf_font R
.\}
.\"
.\"	Current pointsize and vertical space, always in points.
.if !r S .nr S 10
.ps \n[S]
.vs \n[S]+2
.\"
.nr @ps \n[.ps]
.nr @vs \n[.v]
.if \n[D]>1 .tm @ps=\n[@ps], @vs=\n[@vs]
.if \n[D]>3 .tm INIT: l:\n[.l] p:\n[.p] o:\n[.o]
.\"
.\"	Page length
.if r L \{\
.	ie n .pl \n[L]u
.	el .pl \n[L]u
.\}
.nr @pl \n[.p]
.\"
.\"	page width
.ie r W \{\
.	ie n .ll \n[W]u
.	el .ll \n[W]u
.\}
.el .ll 6i
.nr @ll \n[.l]
.nr @cur-ll \n[@ll]
.lt \n[@ll]u
.\"
.\"	page offset
.ie r O .po \n[O]u
.el \{\
.	ie n .po .75i
.	el .po .963i
.\}
.\"
.nr @po \n[.o]
.\"
.\" non-zero if escape mechanism is turned off. Used by VERBON/OFF
.nr @verbose-flag 0
.\"---------------------------------------------
.\"	New variables
.\"
.\" Appendix name
.ds App APPENDIX
.\" print appendixheader, 0 == don't
.nr Aph 1
.\"
.\" Current appendix text
.ds Apptext
.\" Controls the space before and after static displays if defined.
.\" Lsp is used otherwise
.\" .nr Dsp 1v
.\"
.\" Add a dot after level one heading number if >0
.nr H1dot 1
.\"
.\" header prespace level. If level <= Hps, then two lines will be printed
.\" before the header instead of one.
.nr Hps 1
.\"
.\" These variables controls the number of lines preceding .H.
.\" Hps1 is the number of lines when level > Hps
.nr Hps1 0.5v
.if n .nr Hps1 1v
.\"
.\" Hps2 is the number of lines when level <= Hps
.nr Hps2 1v
.if n .nr Hps2 2v
.\"
.\" Hss is the number of lines (Lsp) after the header.
.nr Hss 1
.\"
.\" H1txt will be updated by .H and .HU, containing the heading text.
.\" Will also be updated in table of contents & friends
.\"
.ds H1txt
.\"
.\" header text for the index
.ds Index INDEX
.\" command to sort the index
.ds Indcmd sort
.\"
.\" flag for mkindex
.if !r Idxf .nr Idxf 0
.\"	Change these in the national configuration file
.ds Lifg Figure
.ds Litb TABLE
.ds Liex Exhibit
.ds Liec Equation
.ds Licon CONTENTS
.\" Flag for space between mark and prefix 1==space, 0==no space
.\" Can also be controlled by using '.LI mark 2'
.nr Limsp 1
.\"
.\" Lsp controls the height of an empty line. Normally 0.5v
.\" Normally used for nroff compatibility.
.nr Lsp 0.5v
.if n .nr Lsp 1v
.ds MO1 January
.ds MO2 February
.ds MO3 March
.ds MO4 April
.ds MO5 May
.ds MO6 June
.ds MO7 July
.ds MO8 August
.ds MO9 September
.ds MO10 October
.ds MO11 November
.ds MO12 December
.\" for GETR
.ds Qrf See chapter \\*[Qrfh], page \\*[Qrfp].
.\"
.\" header- and footer-size will only change to the current
.\" if Pgps is > 0.
.nr Pgps 1
.\"
.\" section-page if Sectp > 0
.nr Sectp 0
.if (\n[N]=3):(\n[N]=5) \{\
.	nr Sectp 1
.	nr Ej 1
.\}
.\" section-figure if Sectf > 0
.nr Sectf 0
.if \n[N]=5 .nr Sectf 1
.\"
.\" argument to .nm in .VERBON.
.ds Verbnm "1
.\" indent for VERBON
.nr Verbin 5n
.\"
.\" Letter section
.\" Formal closing (.FC)
.ds Letfc Yours very truly,
.\"
.\" Approval line
.ds Letapp APPROVED:
.\" Approval date-string
.ds Letdate Date
.\"
.ds LetCN CONFIDENTIAL\"		Confidential default
.ds LetSA To Whom It May Concern:\"	Salutation default
.ds LetAT ATTENTION:\"			Attention string
.ds LetSJ SUBJECT:\"			Subject string
.ds LetRN In reference to:\"		Reference string
.\"
.\" Copy to (.NS)
.ds Letnsdef 0
.ds Letns!copy Copy \" space!
.ds Letns!to " to
.ds Letns!0 Copy to
.ds Letns!1 Copy (with att.) to
.ds Letns!2 Copy (without att.) to
.ds Letns!3 Att.
.ds Letns!4 Atts.
.ds Letns!5 Enc.
.ds Letns!6 Encs.
.ds Letns!7 Under separate cover
.ds Letns!8 Letter to
.ds Letns!9 Memorandum to
.ds Letns!10 Copy (with atts.) to
.ds Letns!11 Copy (without atts.) to
.ds Letns!12 Abstract Only to
.ds Letns!13 Complete Memorandum to
.ds Letns!14 CC:
.\"
.\" Text printed below the footer. Controlled by @copy_type (C).
.ds Pg_type!0
.ds Pg_type!1 OFFICIAL FILE COPY 
.ds Pg_type!2 DATE FILE COPY
.ds Pg_type!3 D\ R\ A\ F\ T
.ds Pg_type!4 D\ R\ A\ F\ T
.\" Max lines in return address
.nr Letwam 14
.\"--------------------------
.\"	test for mgm macro. This can be used if the text must test
.\"	what macros is used.
.nr .mgm 1
.\"
.\" Due to security problems with groff I had to rewrite
.\" the reference system. It's not as elegant as before, you
.\" have to run groff with '-z -rRef=1' and put stderr into the filename
.\" for .INITR
.\"
.\" Output references to stderr if non-zero
.ie !r Ref \{\
.	nr Ref 0
.\}
.el .warn 0
.\"
.\"---------------------------------------------
.\" set local variables.
.ie d @language .mso mm/\*[@language]_locale
.el .mso mm/locale
.\"---------------------------------------------
.if \n[D] .tm Groff mm, version \*[RE].
.\" ####### module init ######
.\"	reset all things
.de init@reset
.ie \\n[misc@adjust] 'ad
.el 'na
.ie \\n[Hy] 'hy 14
.el 'nh
'in 0
'ti 0
.ps \\n[@ps]u
.vs \\n[@vs]u
..
.de @warning
'tm WARNING:(\\n[.F]) input line \\n[.c]:\\$*
.if \\n[D] .backtrace
..
.de @error
'tm ******************
'tm ERROR:(\\n[.F]) input line \\n[.c]:\\$*
.if \\n[D] .backtrace
'tm ******************
.ab "Input aborted, syntax error"
..
.de misc@toupper
.tr aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ
.br
\\$1
.tr aabbccddeeffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz
.br
..
.\" ####### module debug #################################
.de debug
'tm \\$1:\\n[.F]:\\n[c.] ll=\\n[.l] vs=\\n[.v] ps=\\n[.s],\\n[.ps] \
in=\\n[.i] fi=\\n[.u] .d=\\n[.d] nl=\\n[nl] pg=\\n[%]
..
.de debug-all
.nr debug*n 1n
.nr debug*m 1m
'tm \\$1:\\n[.F]:\\n[c.] ll=\\n[.l] vs=\\n[.v] ps=\\n[.s] in=\\n[.i]\
 ad=\\n[.j] fi=\\n[.u] pl=\\n[.p] page=\\n[%] .o=\\n[.o]
'tm _______ .d=\\n[.d] .f=\\n[.f] .h=\\n[.h] .k=\\n[.k] .n=\\n[.n]\
 .p=\\n[.p] .t=\\n[.t] .z=\\n[.z] nl=\\n[nl] dn=\\n[dn] n=\\n[debug*n]
..
.\" ####### module par #################################
.nr par@ind-flag 1	\" indent on following P if Pt=2
.nr hd*last-pos -1
.nr hd*last-hsize -1
.nr par*number 0 1
.af par*number 01
.nr par*number2 0 1
.af par*number2 01
.nr par*num-count 0 1
.af par*num-count 01
.\"	reset numbered paragraphs, arg1 = headerlevel
.de par@reset-num
.if \\$1<3 .nr par*num-count 0
.if (\\$1=1)&(\\n[Np]=1) .nr par*number 0
..
.\"------------
.\" paragraph
.de P
.\"	skip P if previous heading
.if \\n[D]>2 \{\
.	tm Paragraph nl=\\n[nl], last=\\n[hd*last-pos]
.	tm Paragraph .k=\\n[.k], hsize=\\n[hd*last-hsize]
.\}
.if !((\\n[nl]=\\n[hd*last-pos]):(\\n[hd*last-hsize]=\\n[.k])) \{\
.	if \\n[D]>2 .tm Paragraph set ind-flag=1
.	nr par@ind-flag 1
.\}
.\" any collected unprinted text?
.par@doit \\$*
.if \\n[Np] \\n[H1].\\n+[par*number]\ \ \c
..
.\"------------
.de nP
.\"	skip P if previous heading
.if \\n[D]>2 \{\
.	tm Paragraph nl=\\n[nl], last=\\n[hd*last-pos]
.	tm Paragraph .k=\\n[.k], hsize=\\n[hd*last-hsize]
.\}
.if !((\\n[nl]=\\n[hd*last-pos]):(\\n[hd*last-hsize]=\\n[.k])) \{\
.	if \\n[D]>2 .tm Paragraph set ind-flag=1
.	nr par@ind-flag 1
.\}
.par@doit \\$*
\\n[H2].\\n+[par*number2]\ \ \c
.nr par@ind-flag 1
..
.\"------------
.de par@doit
.SP (u;\\n[Ps]*\\n[Lsp])
.ie  \\n[.$] \{\
.	if \\$1=1 .ti +\\n[Pi]n
.\}
.el \{\
.	if \\n[Pt]=1 .ti +\\n[Pi]n
.	if (\\n[Pt]=2)&\\n[par@ind-flag] .ti +\\n[Pi]n
.\}
..
.\" ####### module line #######################################
.de SP
.br
.if !r line*lp\\n[.z] .nr line*lp\\n[.z] 0
.if !r line*ac\\n[.z] .nr line*ac\\n[.z] 0
.ie \\n[.$] .nr line*temp (v;\\$1)
.el .nr line*temp 1v
.\"
.ie \\n[line*lp\\n[.z]]=\\n[.d] \{\
.	\" go here if no output since the last .SP
.	nr line*output \\n[line*temp]-\\n[line*ac\\n[.z]]
.	if \\n[line*output]<0 .nr line*output 0
.	nr line*ac\\n[.z] +\\n[line*output]
.\}
.el \{\
.	nr line*ac\\n[.z] \\n[line*temp]
.	nr line*output \\n[line*temp]
.	\" no extra space in the beginning of a page
.	if (\\n[.d]<0):(\\n[pg*head-mark]=\\n[.d]) .nr line*output 0
.\}
.if \\n[line*output] .sp \\n[line*output]u
.nr line*lp\\n[.z] \\n[.d]
..
.\" ######## module misc ###############
.nr misc@adjust 14
.de SA
.if \\n[.$] \{\
.	if \\$1-1 .@error "SA: bad arg: \\$1"
.	nr misc@adjust 0\\$1
.\}
.ie \\n[misc@adjust] 'ad
.el 'na
..
.\"-------------
.\" switch environment, keep all important settings.
.de misc@ev-keep
.nr misc*ll \\n[.l]
.ev \\$1
.ll \\n[misc*ll]u
.lt \\n[misc*ll]u
..
.\"-------------
.\" .misc@push stackname value
.de misc@push
.ie d misc*st-\\$1 .ds misc*st-\\$1 \\$2 \\*[misc*st-\\$1]
.el .ds misc*st-\\$1 \\$2
..
.\"-------------
.\" .misc@pop stackname
.\" value returned in the string misc*pop
.de misc@pop
.misc@pop-set misc*st-\\$1 \\*[misc*st-\\$1]
..
.\"-------------
.de misc@pop-set
.ds misc*st-name \\$1
.shift
.if \\n[.$]<1 .@error "stack \\*[misc*st-name] empty"
.ds misc*pop \\$1
.shift
.ds \\*[misc*st-name] \\$*
..
.\"-------------
.\" .misc@pop-nr stackname varname
.de misc@pop-nr
.misc@pop \\$1
.nr \\$2 \\*[misc*pop]
..
.\"-------------
.\" .misc@pop-ds stackname varname
.de misc@pop-ds
.misc@pop \\$1
.ds \\$2 \\*[misc*pop]
..
.\"-----------
.\" reset tabs
.de TAB
.ta T 5n
..
.\"-------------
.\" .PGFORM linelength [ pagelength [ pageoffset [1]]]
.de PGFORM
.\" Break here to avoid problems with new linesetting of the previous line.
.\" Hope this doesn't break anything else :-)
.\" Don't break if arg_4 is a '1'.
.if \\n[D]>2 .tm PGFORM: \\$*
.if ''\\$4' .br
.if \\n[D]>3 .tm PGFORM: IN l:\\n[.l] p:\\n[.p] o:\\n[.o]
.ie !''\\$1' \{\
.	ll \\$1
.	nr @ll \\n[.l]
.	nr @cur-ll \\n[@ll]
.	lt \\n[@ll]u
.\}
.el \{\
.	ll \\n[@ll]u
.	lt \\n[@ll]u
.\}
.\"
.ie !''\\$2' \{\
.	pl \\$2
.	nr @pl \\n[.p]
.\}
.el .pl \\n[@pl]u
.\"
.ie !''\\$3' \{\
.	po \\$3
.	nr @po \\n[.o]
.\}
.el .po \\n[@po]u
.if \\n[D]>3 .tm PGFORM: OUT l:\\n[.l] p:\\n[.p] o:\\n[.o]
.if \\n[D]>2 .tm PGFORM: ll=\\n[@ll], pl=\\n[@pl], po=\\n[@po]
'in 0
.pg@move-trap
.if \\n[D]>2 \{\
.	tm Traps:
.	ptr
.\}
..
.\"-------------
.\" .MOVE y [[x] linelength]
.\" move to line y, indent to x
.de MOVE
.if !\\n[.$] .@error "MOVE y [x]: no arguments"
.if \\n[nl]<0 \c
.\" move to Y-pos
.sp |(v;\\$1)
.\" calc linelength
.ie \\n[.$]>2 .nr pg*i (n;\\$3)
.el \{\
.	ie \\n[.$]>1 .nr pg*i (n;\\n[@ll]u-\\$2)
.	el .nr pg*i \\n[@ll]u
.\}
.\" move to X-pos, if any
.if !''\\$2' .po \\$2
.\" set linelength
.ll \\n[pg*i]u
..
.\"-------------
.de SM
.if !\\n[.$] .@error "SM: no arguments"
.if \\n[.$]=1 \s-1\\$1\s0
.if \\n[.$]=2 \s-1\\$1\s0\\$2
.if \\n[.$]=3 \\$1\s-1\\$2\s0\\$3
..
.\"-------------
.nr misc*S-ps \n[@ps]
.nr misc*S-vs \n[@vs]
.nr misc*S-ps1 \n[@ps]
.nr misc*S-vs1 \n[@vs]
.ds misc*a
.ds misc*b
.de S
.ie !\\n[.$] \{\
.	ds misc*a P
.	ds misc*b P
.\}
.el \{\
.	ie \\n[.$]=1 .ds misc*b D
.	el \{\
.		ie \w@\\$2@=0 .ds misc*b C
.		el .ds misc*b \\$2
.	\}
.	ie \w@\\$1@=0 .ds misc*a C
.	el .ds misc*a \\$1
.\}
.\"
.\" set point size
.if !'\\*[misc*a]'C' \{\
.	ie '\\*[misc*a]'P' .ps \\n[misc*S-ps]u
.	el \{\
.		ie '\\*[misc*a]'D' .ps \\n[S]
.		el .ps \\*[misc*a]
.		if \\n[D]>2 .tm S: .ps \\*[misc*a]
.	\}
.\}
.\"
.\" set vertical spacing
.if !'\\*[misc*b]'C' \{\
.	ie '\\*[misc*b]'P' .vs \\n[misc*S-vs]u
.	el \{\
.		ie '\\*[misc*b]'D' .vs \\n[.ps]s+2p
.		el .vs \\*[misc*b]
.		if \\n[D]>2 .tm S: .vs \\*[misc*b]
.	\}
.\}
.nr @ps \\n[.ps]
.nr @psu \\n[.ps]s
.nr @vs \\n[.v]
.nr @vsp \\n[.v]u/1p
.nr @res 1i
.\"
.if \\n[D]>1 \{\
.	tmc "S(\\$*): ma:\\*[misc*a], mb:\\*[misc*b]
.	tm1 " => ps:\\n[.s]p (\\n[@psu]u), vs:\\n[@vsp]p (\\n[@vs]u) (res:\\n[@res])
.\}
.nr misc*S-ps \\n[misc*S-ps1]
.nr misc*S-vs \\n[misc*S-vs1]
.nr misc*S-ps1 \\n[@ps]
.nr misc*S-vs1 \\n[@vs]
.pg@move-trap
..
.\"------------
.de HC
.ev 0
.hc \\$1
.ev
.ev 1
.hc \\$1
.ev
.ev 2
.hc \\$1
.ev
..
.\"------------
.de RD
.di misc*rd
'fl
.rd \\$1\t
.br
.di
.ie !''\\$3' \{\
.	di misc*rd2
.	ds \\$3 "\\*[misc*rd]
.	br
.	di
.\}
.if !''\\$2' .rn misc*rd \\$2
.rm misc*rd misc*rd2
..
.\"------------
.\" VERBON [flag [pointsize [font]]]
.\"	flag
.\"	bit	function
.\"	0	escape on
.\"	1	add an empty line before verbose text
.\"	2	add an empty line after verbose text
.\"	3	numbered lines (controlled by the string Verbnm)
.\"	4	indent text by the numbervariable Verbin.
.de VERBON
.br
.nr misc*verb 0\\$1
.if (0\\n[misc*verb]%4)/2 .SP \\n[Lsp]u
.misc@ev-keep misc*verb-ev
.nf
.if (0\\n[misc*verb]%16)/8 .nm \\*[Verbnm]
.ie !'\\$3'' .ft \\$3
.el .ft CR
.ie 0\\$2 \{\
.	ss \\$2
.	ps \\$2
.	vs \\$2
.\}
.el .ss 12
.ta T 8u*\w@n@u
.if (0\\n[misc*verb]%32)/16 .in +\\n[Verbin]u
.if 0\\n[misc*verb]%2 \{\
.	eo
.	nr @verbose-flag 1		\" tell pageheader to set ec/eo
.\}
..
.de VERBOFF
.ec
.br
.if (0\\n[misc*verb]%8)/4 .SP \\n[Lsp]u
.if (0\\n[misc*verb]%16)/8 .nm
.if (0\\n[misc*verb]%32)/16 .in
.ev
.nr @verbose-flag 0
..
.\" ######## module pict #################
.nr pict*width 0
.nr pict*height 0
.nr pict*mode 0
.nr pict*ind 0
.nr pict*id 0 1
.\" I assume that the number variable pict*id is the same
.\" between two runs.
.de PIC
.br
.nr pict*ind 0
.nr pict*box 0
.while \\n[.$]>0 \{\
.	if '-B'\\$1' \{\
.		nr pict*box 1
.		shift
.		continue
.	\}
.	if '-L'\\$1' \{\
.		nr pict*mode 0
.		shift
.		continue
.	\}
.	if '-R'\\$1' \{\
.		nr pict*mode 1
.		shift
.		continue
.	\}
.	if '-I'\\$1' \{\
.		nr pict*ind (m;\\$2)
.		nr pict*mode 2
.		shift 2
.		continue
.	\}
.	if '-C'\\$1' \{\
.		nr pict*mode 3
.		shift
.		continue
.	\}
.	ds pict*f \\$1
.	nr pict*id +1
.	shift
.	if \\n[.$]>0 \{\
.		nr pict*width (i;\\$1)
.		shift
.	\}
.	if \\n[.$]>0 \{\
.		nr pict*height (i;\\$1)
.		shift
.	\}
.\}
.\" let mmroff know the filename and id
.if \\n[Ref]>0 \{\
.	tm .\\\\" PIC id \\n[pict*id]
.	tm .\\\\" PIC file \\*[pict*f]
.\}
.\" these are defined by mmroff in the second pass
.if d pict*file!\\n[pict*id] \{\
.	ds pict*f \\*[pict*file!\\n[pict*id]]
.	nr pict*llx \\n[pict*llx!\\n[pict*id]]
.	nr pict*lly \\n[pict*lly!\\n[pict*id]]
.	nr pict*urx \\n[pict*urx!\\n[pict*id]]
.	nr pict*ury \\n[pict*ury!\\n[pict*id]]
.	\"
.	nr pict*w (p;\\n[pict*urx]-\\n[pict*llx])
.	if \\n[pict*w]<0 .nr pict*w 0-\\n[pict*w]
.	nr pict*h (p;\\n[pict*ury]-\\n[pict*lly])
.	if \\n[pict*h]<0 .nr pict*h 0-\\n[pict*h]
.	if \\n[pict*width]>0 \{\
.		nr pict*rs (u;1000*\\n[pict*width]/\\n[pict*w])
.		nr pict*w (u;\\n[pict*w]*\\n[pict*rs]/1000)
.		nr pict*h (u;\\n[pict*h]*\\n[pict*rs]/1000)
.	\}
.	if \\n[pict*height]>0 \{\
.		nr pict*rs (u;1000*\\n[pict*height]/\\n[pict*h])
.		nr pict*h (u;\\n[pict*h]*\\n[pict*rs]/1000)
.	\}
.	if '0'\\n[pict*mode]' \{\
.		nr pict*in \\n[.i]u
.	\}
.	if '1'\\n[pict*mode]' \{\
.		nr pict*in (u;\\n[.l]-\\n[.i]-\\n[pict*w])
.	\}
.	if '2'\\n[pict*mode]' \{\
.		nr pict*in \\n[pict*ind]u
.	\}
.	if '3'\\n[pict*mode]' \{\
.		nr pict*in (u;(\\n[.l]-\\n[.i]-\\n[pict*w])/2)
.	\}
.	ds pict*h "
.	if \\n[pict*h]>0 .ds pict*h \\n[pict*h]
.	\"
.	ne \\n[pict*h]u-1v
.	\"
.	\" these lines are copied and modified from tmac.pspic.
.	\" Originally written by James Clark
.	br
.	ie \\n[pict*box]>0 \{\
\v'-1v'\h'\\n[pict*in]u'\
\Z'\D'p 0 \\n[pict*h]u \\n[pict*w]u 0 0 -\\n[pict*h]u''\
\v'\\n[pict*h]u'\X'ps: import \\*[pict*f] \
\\n[pict*llx] \\n[pict*lly] \
\\n[pict*urx] \\n[pict*ury] \
\\n[pict*w] \\n[pict*h]'
.\}
.	el \{\
\v'-1v'\h'\\n[pict*in]u'\
\X'ps: invis'\
\Z'\D'p 0 \\n[pict*h]u \\n[pict*w]u 0 0 -\\n[pict*h]u''\
\X'ps: endinvis'\
\v'\\n[pict*h]u'\X'ps: import \\*[pict*f] \
\\n[pict*llx] \\n[pict*lly] \
\\n[pict*urx] \\n[pict*ury] \
\\n[pict*w] \\n[pict*h]'
.	\}
.	br
.	sp \\n[pict*h]u-1v
.\}
..
.\" external picture
.\" -L	left adjust
.de EPIC
.if \\n[.$]<2 .@error "EPIC: Not enough arguments"
.nr pict*adj 0		\" centered
.if '\\$1'-L' \{\
.	shift 1		\" left adjust
.	nr pict*adj 1
.\}
.if \\n[nl]<0 \&
.nr pict*w \\$1
.nr pict*h \\$2
.ds pict*name "External picture
.if !''$3' .ds pict*name \\$3
.ne \\n[pict*h]u
.sp \\n[pict*h]u-1v
.nr pict*ind 0
.if !\\n[pict*adj] .nr pict*ind (u;(\\n[.l]-\\n[.i]-\\n[pict*w])/2)
.mk
.in +\\n[pict*ind]u
\D'l \\n[pict*w]u 0'\
\D'l 0 -\\n[pict*h]u'\
\D'l -\\n[pict*w]u 0'\
\D'l 0 \\n[pict*h]u'\
\v'-(u;\\n[pict*h]/2)'\
\h'(u;(\\n[pict*w]-\w'\\*[pict*name]'/2))'\\*[pict*name]
.in
.rt
.sp 1v
..
.\" ######## module acc #################
.\"-----------
.\" accents. These are copied from mgs, written by James Clark.
.de acc@over-def
.ds \\$1 \Z'\v'(u;\w'x'*0+\En[rst]-\En[.cht])'\
\h'(u;-\En[skw]+(-\En[.w]-\w'\\$2'/2)+\En[.csk])'\\$2'
..
.de acc@under-def
.ds \\$1 \Z'\v'\En[.cdp]u'\h'(u;-\En[.w]-\w'\\$2'/2)'\\$2'
..
.acc@over-def ` \`
.acc@over-def ' \'
.acc@over-def ^ ^
.acc@over-def ~ ~
.acc@over-def : \(ad
.acc@over-def ; \(ad
.acc@under-def , \(ac
.\" ######## module uni #################
.\" unimplemented macros
.de OK
'tm "OK: not implemented"
..
.de PM
'tm "PM: not implemented"
..
.\" ######## module hd #################
.\" support for usermacro
.nr hd*h1-page 1	\" last page-number for level 1 header.
.nr hd*htype 0
.ds hd*sect-pg
.ds hd*mark
.ds hd*suf-space
.nr hd*need 0
.aln ;0 hd*htype
.als }0 hd*mark
.als }2 hd*suf-space
.aln ;3 hd*need
.\"-------------
.\" .hd@split varable index name val1 val2 ...
.de hd@split
.if \\$2>(\\n[.$]-3) .@error "\\$3 must have at least \\$2 values (\\*[\\$3]).
.nr hd*sp-tmp \\$2+3
.ds \\$1 \\$[\\n[hd*sp-tmp]]
..
.de HU
.H 0 "\\$1"
..
.\"-------------
.de H
.if !r hd*cur-bline .nr hd*cur-bline \\n[nl]
.br
.df@print-float 2\"	$$$ could be wrong...
.\" terminate all lists
.LC
.init@reset
.nr hd*level 0\\$1
.nr hd*arg1 0\\$1
.if !\\n[hd*level] .nr hd*level \\n[Hu]
.\"
.\"	clear lower counters
.nr hd*i 1 1
.while \\n+[hd*i]<15 .if \\n[hd*level]<\\n[hd*i] .nr H\\n[hd*i] 0 1
.\"
.\" save last text for use in TP
.if \\n[hd*level]=1 .ds H1txt \\$2\\$3
.\"
.\" This is a little fix to be able to get correct H1 heading number
.\" in page headers. Special attention was needed when other formats are used.
.ie !''\\g[H1]' \{\
.	ds hd*format \\g[H1]
.	af H1 0
.	nr H1h \\n[H1] 1
.	af H1 \\*[hd*format]
.\}
.el .nr H1h \\n[H1] 1
.if \\n[hd*level]=1 .nr H1h +1
.\"
.\"	Check if it's time for new page. Only if text has
.\"	appeared before.
.if \\n[Ej]&(\\n[Ej]>=\\n[hd*level])&(\\n[nl]>\\n[hd*cur-bline]) .pg@next-page
.\"
.\" increment current counter
.nr H\\n[hd*level] +1
.\"
.\" update pagenumber if section-page is used
.if (\\n[hd*level]=1)&(\\n[Sectp]>0) .hd@set-page 1
.\"
.\" hd*mark is the text written to the left of the header.
.ds hd*mark \\n[H1].
.\"
.if \\n[hd*level]>1 .as hd*mark \\n[H2]
.\"
.nr hd*i 2 1
.while \\n+[hd*i]<15 .if \\n[hd*level]>(\\n[hd*i]-1) .as hd*mark .\\n[H\\n[hd*i]]
.if \\n[Ht] .ds hd*mark \\n[H\\n[hd*level]].
.\"
.\" special case, no dot after level one heading if not H1dot true
.if (\\n[hd*level]=1)&(\\n[H1dot]=0) .ds hd*mark \\n[H1]
.\"
.as hd*mark \ \ \"			add spaces between mark and heading
.if !\\n[hd*arg1] .ds hd*mark\"		no mark for unnumbered
.\"
.if \\n[D]>1 .tm At header \\*[hd*mark] "\\$2"
.nr hd*htype 0				\" hd*htype = check break and space
.					\" 0 = run-in, 1 = break only, 2 = space
.if \\n[hd*level]<=\\n[Hb] .nr hd*htype 1
.if \\n[hd*level]<=\\n[Hs] .nr hd*htype 2
.					\" two spaces if hd*htype == 0
.ie (\\n[hd*htype]=0)&(\w@\\$2@) .ds hd*suf-space "  \"
.el .ds hd*suf-space
.nr hd*need 2v				\" hd*need = header need space
.\"---------- user macro HX ------------
.\" User exit macro to override numbering.
.\" May change hd*mark (}0), hd*suf-space (}2) and hd*need (;3)
.\" Can also change Hps1/2.
.if d HX .HX \\n[hd*level] \\n[hd*arg1] "\\$2\\$3"
.\"-------------------------------------- 
.\" pre-space
.ie \\n[hd*level]<=\\n[Hps] .SP (u;\\n[Hps2])
.el .SP (u;\\n[Hps1])
.\"
.par@reset-num \\n[hd*level]\"			reset numbered paragraph
.\" start diversion to measure size of header
.di hd*div
\\*[hd*mark]\\$2\\$3\\*[hd*suf-space]
.br
.di
.rm hd*div
.if \\n[hd*htype] .na \"		no adjust if run-in
.if \\n[hd*htype]<2 .nr hd*need +\\n[Lsp]u \"	add some extra space
.ne \\n[hd*need]u+\\n[dn]u+.5p-1v \"	this is the needed space for a header
.\"
.\" size and font calculations
.hd@split hd*font \\n[hd*level] HF \\*[HF]\"	get font for this level
.ft \\*[hd*font]\"			set new font
.hd@split hd*new-ps \\n[hd*level] HP \\*[HP]\"	get point size
.ie (\\*[hd*new-ps]=0):(\w@\\*[hd*new-ps]@=0) \{\
.	if \\n[hd*htype] \{\
.		if '\\*[hd*font]'3' \{\
.			ps -1
.			vs -1
.		\}
.		if '\\*[hd*font]'B' \{\
.			ps -1
.			vs -1
.		\}
.	\}
.\}
.el \{\
.	ps \\*[hd*new-ps]
.	vs \\*[hd*new-ps]+2
.\}
.\"
.\"---------- user macro HY ------------- 
.\"	user macro to reset indents
.if d HY .HY \\n[hd*level] \\n[hd*arg1] "\\$2\\$3"
.DEVTAG-NH \\n[hd*level]              \" HTML: mark beginning of heading
.\"-------------------------------------- 
.nr hd*mark-size \w@\\*[hd*mark]@
.if (\\n[hd*level]<=\\n[Hc])&\\n[hd*htype] .ce\" center if level<=Hc
.\"
.\"	finally, output the header
\\*[hd*mark]\&\c
.\"	and the rest of the header
.ie \\n[hd*htype] \{\
\\$2\\$3
.	br
.\}
.el \\$2\\$3\\*[hd*suf-space]\&\c
.ft 1
.\" restore pointsize and vertical size.
.ps \\n[@ps]u
.vs \\n[@vs]u
.\"
.\" table of contents
.if (\\n[hd*level]<=\\n[Cl])&\w@\\$2@ .toc@entry \\n[hd*level] "\\$2"
.\"	set adjust to previous value
.SA
.\"	do break or space
.if \\n[hd*htype] .br
.if \\n[hd*htype]>1 .SP (u;\\n[Lsp]*\\n[Hss])
.if \\n[hd*htype] \{\
.	\"	indent if Hi=1 and Pt=1
.	if (\\n[Hi]=1)&(\\n[Pt]=1) .ti +\\n[Pi]n
.	\"	indent size of mark if Hi=2
.	if \\n[hd*htype]&(\\n[Hi]>1) .ti +\\n[hd*mark-size]u
.\}
.nr par@ind-flag 0			\" no indent on .P if Pt=2
.\"
.\"	check if it is time to reset footnotes
.if (\\n[hd*level]=1)&\\n[ft*clear-at-header] .nr ft*nr 0 1
.\"
.\"	check if it is time to reset indexes
.if (\\n[hd*level]=1)&\\n[Sectf] \{\
.	nr lix*fg-nr 0 1
.	nr lix*tb-nr 0 1
.	nr lix*ec-nr 0 1
.	nr lix*ex-nr 0 1
.\}
.\"---------- user macro HZ ----------
.if d HZ .HZ \\n[hd*level] \\n[hd*arg1] "\\$2\\$3"
.nr hd*last-pos \\n[nl]
.nr hd*last-hsize \\n[.k]
.nr par@ind-flag 0
.DEVTAG-EO-H  \" HTML: end of heading
..
.\"--------
.de HM
.nr hd*i 0 1
.while \\n+[hd*i]<15 .af H\\n[hd*i] \\$[\\n[hd*i]] 1
..
.\"----------------------
.\" set page-nr, called from header 
.\" 
.de hd@set-page
.\"
.ie \\n[.$]>0 .nr P \\$1
.el .nr P +1
.\" Set section-page-string
.ds hd*sect-pg \\n[H1]-\\n[P]
.if \\n[Sectp]>1 .if '\\n[H1]'0' .ds hd*sect-pg "
..
.\"########### module pg ####################
.\" set end of text trap
.wh 0 pg@header
.em pg@end-of-text
.\"
.ds pg*header ''- \\nP -''
.ds pg*footer
.if \n[N]=4 .ds pg*header ''''
.if (\n[N]=3):(\n[N]=5) \{\
.	ds pg*header ''''
.	ds pg*footer ''\\*[hd*sect-pg]''
.\}
.ds pg*even-footer
.ds pg*odd-footer
.ds pg*even-header
.ds pg*odd-header
.\"
.nr pg*top-margin 0
.nr pg*foot-margin 0
.nr pg*block-size 0
.nr pg*footer-size 5v\"			 1v+footer+even/odd footer+2v
.nr pg*header-size 7v\"			 3v+header+even/odd header+2v
.nr pg*extra-footer-size 0
.nr pg*extra-header-size 0
.nr ft*note-size 0
.nr pg*cur-column 0
.nr pg*cols-per-page 1
.nr pg*cur-po \n[@po]
.nr pg*head-mark 0
.\"
.nr pg*ps \n[@ps]
.nr pg*vs \n[@vs]
.\"-------------------------
.\" footer TRAPS: set, enable and disable
.de pg@set-new-trap
.nr pg*foot-trap \\n[@pl]u-(\\n[pg*block-size]u+\\n[ft*note-size]u+\\n[pg*foot-margin]u+\\n[pg*footer-size]u+\\n[pg*extra-footer-size]u)
.\"
.if \\n[D]>2 .tm pg*foot-trap \\n[@pl]u-(\\n[pg*block-size]u+\\n[ft*note-size]u+\\n[pg*foot-margin]u+\\n[pg*footer-size]u+\\n[pg*extra-footer-size]u) = \\n[pg*foot-trap]
.\"
.\" last-pos points to the position of the footer and bottom 
.\" block below foot-notes.
.nr pg*last-pos \\n[@pl]u-(\\n[pg*block-size]u+\\n[pg*foot-margin]u+\\n[pg*footer-size]u+\\n[pg*extra-footer-size]u)
.if \\n[D]>2 .tm pg*last-pos \\n[@pl]u-(\\n[pg*block-size]u+\\n[pg*foot-margin]u+\\n[pg*footer-size]u+\\n[pg*extra-footer-size]u) = \\n[pg*last-pos]
..
.de pg@enable-trap
.\" Disable in HTML mode
.if !'\*[.T]'html' \{\
.wh \\n[pg*foot-trap]u pg@footer
.if \\n[D]>2 .tm pg@enable-trap .t=\\n[.t] nl=\\n[nl]
.if \\n[D]>2 .ptr
.\}
..
.de pg@disable-trap
.ch pg@footer
..
.\" move to new trap (if changed).
.de pg@move-trap
.pg@disable-trap
.pg@set-new-trap
.pg@enable-trap
..
.de pg@enable-top-trap
.\" set trap for pageheader.
.nr pg*top-enabled 1
..
.de pg@disable-top-trap
.\" remove trap for pageheader.
.nr pg*top-enabled 0
..
.\" no header on the next page
.de PGNH
.nr pg*top-enabled (-1)
..
.\" set first trap for pagefooter
.pg@enable-top-trap
.pg@set-new-trap
.pg@enable-trap
.\"-------------------------
.\" stop output and begin on next page. Fix footnotes and all that.
.de pg@next-page
.\".debug next-page
.ne 999i		\" activate trap
.\" .pg@footer
..
.\"-------------------------
.\" support for PX, TP and EOP.
.als }t pg*header
.als }e pg*even-header
.als }o pg*odd-header
.als TPh pg*header
.als TPeh pg*even-header
.als TPoh pg*odd-header
.\"
.als EOPf pg*footer
.als EOPef pg*even-footer
.als EOPof pg*odd-footer
.\"------------------------------------------------------------
.\" HEADER
.de pg@header
.\" Disable in HTML mode
.if !'\*[.T]'html' \{\
.if \\n[D]>1 .tm Page# \\n[%] (\\n[.F]:\\n[c.])
.\" check if Hy has been changed
.ie \\n[Hy] 'hy 14
.el 'nh
.if \\n[Idxf] \{\
.tl '<pagenr\ \\n[%]>'''
.\}
.\" assign current page-number to P
.hd@set-page
.\" reset spacing
.nr line*lp\\n[.z] 0
.nr line*ac\\n[.z] 0
.\"
.\" suppress pageheader if pagenumber == 1 and N == [124]
.if \\n[pg*top-enabled] \{\
.\"	must be fixed!!
.\".	pg@disable-top-trap
.	if \\n[pg*extra-header-size] 'sp \\n[pg*extra-header-size]u
.	if \\n[pg*top-margin] 'sp \\n[pg*top-margin]u
.	ev pg*tl-ev
.	pg@set-env
.	ie d let@header .let@header
.	el \{\
.		ie d TP .TP
.		el \{\
'			sp 3
.			ie ((\\n[%]=1)&((\\n[N]=1):(\\n[N]=2))) .sp
.			el .tl \\*[pg*header]
.			ie o .tl \\*[pg*odd-header]
.			el .tl \\*[pg*even-header]
'			sp 2
.		\}
.	\}
.	ev
.	\" why no-space??
.	if d PX \{\
.		ns
.		PX
.		rs
.	\}
.	\" check for pending footnotes 
.	ft@check-old
.	\"
.	\" back to normal text processing
.	pg@enable-trap
.	\" mark for multicolumn
.	nr pg*head-mark \\n[nl]u
.	\" reset NCOL pointer at each new page.
.	nr pg*last-ncol 0
.	\" set multicolumn
.	\" 
.	pg@set-po
.	\" print floating displays
.	df@print-float 4
.	tbl@top-hook
.	ns
.\}
.if \\n[pg*top-enabled]<0 .nr pg*top-enabled 1
.nr hd*cur-bline \\n[nl]	\" .H needs to know if output has occured
.\}
..
.\"---------------------------------------------------------
.\" FOOTER
.de pg@footer
.ec
.if \\n[D]>2 .tm Footer# \\n[%] (\\n[.F]:\\n[c.]) nl=\\n[nl]
.pg@disable-trap
.\".debug footer
.tbl@bottom-hook
.\" increment pageoffset for MC
.\" move to the exact start of footer.
'sp |\\n[pg*foot-trap]u+1v
.\"
.if \\n[D]>3 .tm FOOTER after .sp, nl=\\n[nl]
.\" print footnotes
.if d ft*div .ft@print
.\"
.pg@inc-po
.if !\\n[pg*cur-column] .pg@print-footer
.\" next column
.pg@set-po
.pg@enable-trap
.if \\n[@verbose-flag] .eo		\" to help VERBON/VERBOFF
..
.\"-------------------------
.de pg@print-footer
.\" jump to the position just below the foot-notes.
'sp |\\n[pg*last-pos]u+1v
.if \\n[D]>3 .tm print-footer nl=\\n[nl]
.\" check if there are any bottom block
.if d pg*block-div .pg@block
.\"
.\" print the footer and eject new page
.ev pg*tl-ev
.pg@set-env
.\" user defined end-of-page macro
.ie d EOP .EOP
.el \{\
.	ie o .tl \\*[pg*odd-footer]
.	el .tl \\*[pg*even-footer]
.	ie (\\n[%]=1)&(\\n[N]=1) .tl \\*[pg*header]
.	el .tl \\*[pg*footer]
.	tl ''\\*[Pg_type!\\n[@copy_type]]''
.\}
.ev
.\" be sure that floating displays and footnotes will be
.\" printed at the end of the document.
.ie (\\n[df*fnr]>=\\n[df*o-fnr]):\\n[ft*exist] \{\
.	ev ne
'	bp
.	ev
.\}
.el 'bp
..
.\"-------------------------
.\"
.\" Initialize the title environment
.de pg@set-env
'na
'nh
'in 0
'ti 0
.ie \\n[Pgps] \{\
.	ps \\n[@ps]u
.	vs \\n[@vs]u
.\}
.el \{\
.	ps \\n[pg*ps]u
.	vs \\n[pg*vs]u
.\}
.lt \\n[@ll]u
.ll \\n[@ll]u
..
.\"-------------------------
.de PH
.ds pg*header "\\$1
.pg@set-new-size
..
.de PF
.ds pg*footer "\\$1
.pg@set-new-size
..
.de OH
.ds pg*odd-header "\\$1
.pg@set-new-size
..
.de EH
.ds pg*even-header "\\$1
.pg@set-new-size
..
.de OF
.ds pg*odd-footer "\\$1
.pg@set-new-size
..
.de EF
.ds pg*even-footer "\\$1
.pg@set-new-size
..
.de pg@clear-hd
.ds pg*even-header
.ds pg*odd-header
.ds pg*header
..
.de pg@clear-ft
.ds pg*even-footer
.ds pg*odd-footer
.ds pg*footer
..
.de pg@set-new-size
.nr pg*ps \\n[@ps]
.nr pg*vs \\n[@vs]
.pg@move-trap
..
.\"-------------------------
.\" end of page processing
.de pg@footnotes
.\".debug footnotes
.\" output footnotes. set trap for block
.\"
..
.\"-------------------------
.\" print bottom block
.de pg@block
.ev pg*block-ev
'nf
'in 0
.ll 100i
.pg*block-div
.br
.ev
..
.\"-------------------------
.\" define bottom block
.de BS
.misc@ev-keep pg*block-ev
.init@reset
.br
.di pg*block-div
..
.\"-------------------------
.de BE
.br
.di
.nr pg*block-size \\n[dn]u
.ev
.pg@move-trap
..
.\"-------------------------
.\" print out all pending text
.de pg@end-of-text
.if \\n[D]>2 .tm ---------- End of text processing ----------------
.df@eot-print
.ref@eot-print
..
.\"-------------------------
.\" set top and bottom margins 
.\" -T	sets pg*footer-size and pg*header-size instead
.de VM
.ie '\\$1'-T' \{\
.	shift
.	if \\n[.$]=0 \{\
.		nr pg*footer-size 5v
.		nr pg*header-size 7v
.	\}
.	if \\n[.$]>0 .nr pg*header-size (v;\\$1)
.	if \\n[.$]>1 .nr pg*footer-size (v;\\$2)
.\}
.el \{\
.	if \\n[.$]=0 \{\
.		nr pg*extra-footer-size 0
.		nr pg*extra-header-size 0
.	\}
.	if \\n[.$]>0 .nr pg*extra-header-size (v;\\$1)
.	if \\n[.$]>1 .nr pg*extra-footer-size (v;\\$2)
.	if \\n[D]>2 \{\
.		tm extra top \\n[pg*extra-footer-size]
.		tm extra bottom \\n[pg*extra-header-size]
.	\}
.\}
.pg@move-trap
..
.\"---------------------
.\" multicolumn output. 
.de pg@set-po
.if \\n[pg*cols-per-page]>1 \{\
.	ll \\n[pg*column-size]u
.\}
..
.de pg@inc-po
.if \\n[pg*cols-per-page]>1 \{\
.	ie \\n+[pg*cur-column]>=\\n[pg*cols-per-page] \{\
.		nr pg*cur-column 0 1
.		nr pg*cur-po \\n[@po]u
.		po \\n[@po]u
.		ll \\n[@ll]u
.	\}
.	el \{\
.		nr pg*cur-po +(\\n[pg*column-size]u+\\n[pg*column-sep]u)
.		po \\n[pg*cur-po]u
'		sp |\\n[pg*head-mark]u
.		tbl@top-hook
.	\}
.\}
..
.\" An argument disables the page-break.
.de 1C
.br
.if \\n[pg*cols-per-page]<=1 .@error "1C: multicolumn mode not active"
.nr pg*cols-per-page 1
.nr pg*column-sep 0
.nr pg*column-size \\n[@ll]
.nr pg*ncol-i \\n[pg*cur-column]\"	temp variable
.nr pg*cur-column 0 1
.nr pg*cur-po \\n[@po]u
.PGFORM
.ie !'\\$1'1' .SK
.el \{\
.	if d ft*div \{\
.		if \\n[pg*ncol-i]>0 \{\
.			@warning 1C: footnotes will be messy
.		\}
.	\}
.	if \\n[pg*last-ncol]>0 \{\
.		sp |\\n[pg*last-ncol]u
.		nr pg*last-ncol 0
.	\}
.\}
..
.de 2C
.br
.nr pg*head-mark \\n[nl]u
.if \\n[pg*cols-per-page]>1 .@error "2C: multicolumn mode already active"
.nr pg*cols-per-page 2
.nr pg*column-sep \\n[@ll]/15
.nr pg*column-size (\\n[@ll]u*7)/15
.nr pg*cur-column 0 1
.nr pg*cur-po \\n[@po]u
.ll \\n[pg*column-size]u
.\" .lt \\n[pg*column-size]u
..
.\" MC column-size [ column-separation ]
.de MC
.br
.nr pg*head-mark \\n[nl]u
.if \\n[pg*cols-per-page]>1 .@error "MC: multicolumn mode already active"
.ie ''\\$1' .nr pg*column-size \\n[.l]
.el .nr pg*column-size (n;\\$1)
.ie ''\\$2' .nr pg*column-sep \\n[pg*column-size]/15
.el .nr pg*column-sep (n;\\$2)
.\"
.\" calculate the number of columns/page
.nr pg*cols-per-page 0
.nr pg*i \\n[pg*column-size]
.while \\n[pg*i]<=\\n[.l] \{\
.	nr pg*cols-per-page \\n[pg*cols-per-page]+1
.	nr pg*i \\n[pg*i]+\\n[pg*column-sep]+\\n[pg*column-size]
.\}
.nr pg*cur-column 0 1
.nr pg*cur-po \\n[@po]u
.ll \\n[pg*column-size]u
.\" .lt \\n[pg*column-size]u
..
.\" begin a new column
.de NCOL
.br
.if \\n[nl]>\\n[pg*last-ncol] .nr pg*last-ncol \\n[nl]
.pg@footer
..
.\" skip pages
.de SK
.br
.bp
.nr pg*i 0 1
.\" force new page by writing something invisible.
.while \\n+[pg*i]<=(0\\$1) \{\
\&
.	bp
.\}
..
.\"-------------------------------
.\" MULB width1 space1 width2 space2 width3 space3 ...
.de MULB
.br
.nr pg*i 0 1
.nr pg*mul-x 0 1
.nr pg*mul-ind 0
.nr pg*mul-last 0
.while \\n[.$] \{\
.	nr pg*mul!\\n+[pg*i] (n;0\\$1)
.	nr pg*muls!\\n[pg*i] (n;0\\$2)
.	shift 2
.\}
.nr pg*mul-max-col \\n[pg*i]
.ds pg*mul-fam \\n[.fam]
.nr pg*mul-font \\n[.f]
.ev pg*mul-ev
.ps \\n[@ps]u
.vs \\n[@vs]u
.fam \\*[pg*mul-fam]
.ft \\n[pg*mul-font]
.fi
.hy 14
.di pg*mul-div
.MULN
..
.\"-----------
.de MULN
.if \\n[pg*mul-x]>=\\n[pg*mul-max-col] .@error "MULN: Undefined columnwidth"
.br
.if \\n[.d]>\\n[pg*mul-last] .nr pg*mul-last \\n[.d]
.rt +0
.in \\n[pg*mul-ind]u
.ll (u;\\n[.i]+\\n[pg*mul!\\n+[pg*mul-x]])u
.nr pg*mul-ind +(u;\\n[pg*mul!\\n[pg*mul-x]]+\\n[pg*muls!\\n[pg*mul-x]])
..
.\"-----------
.\" MULE
.de MULE
.br
.if \\n[.d]>\\n[pg*mul-last] .nr pg*mul-last \\n[.d]
.di
.ev
.ne \\n[pg*mul-last]u
.nf
.mk
.pg*mul-div
.rt
.sp \\n[pg*mul-last]u
.fi
..
.\"-----------
.de OP
.br
.ie o .if !\\n[pg*head-mark]=\\n[nl] \{\
.	bp +1
.	bp +1
.\}
.el .bp
..
.\"########### module footnotes ###################
.nr ft*note-size 0
.nr ft*busy 0
.nr ft*nr 0 1
.nr ft*wide 0
.nr ft*hyphen 0\"	hyphenation value
.nr ft*adjust 1\"	>0 if adjust true
.nr ft*indent 1\"	>0 if text indent true (not imp. $$$)
.nr ft*just 0\"	0=left justification, 1=right (not imp. $$$)
.nr ft*exist 0\"	not zero if there are any footnotes to be printed
.nr ft*clear-at-header 0\" >0 if footnotes should be reset at first level head.
.\"
.ds F \v'-.4m'\s-3\\n+[ft*nr]\s0\v'.4m'
.\"
.\"-----------------
.\" init footnote environment
.de ft@init
.\" indentcontrol not implemented $$$
.\" label justification not implemented $$$
'in 0
'fi
.ie \\n[ft*adjust] 'ad
.el 'na
.ie \\n[ft*hyphen] 'hy 14
.el 'hy 0
.ll \\n[@cur-ll]u
.lt \\n[@cur-ll]u
.ps (p;\\n[@ps]u-2)
.vs (p;\\n[@vs]u-1)
..
.\"-----------------
.\" set footnote format
.\" no support for two column processing (yet). $$$
.de FD
.if \\n[.$]=0 .@error "FD: bad arg \\$1"
.ie \\n[.$]=2 .nr ft*clear-at-header 1
.el .nr ft*clear-at-header 0
.\"
.if !'\\$1'' \{\
.	ie \\$1>11 .nr ft*format 0
.	el .nr ft*format \\$1
.	\"
.	nr ft*hyphen (\\n[ft*format]%2)*14
.	nr ft*format \\n[ft*format]/2
.	\"
.	nr ft*adjust 1-(\\n[ft*format]%2)
.	nr ft*format \\n[ft*format]/2
.	\"
.	nr ft*indent 1-(\\n[ft*format]%2)
.	nr ft*format \\n[ft*format]/2
.	\"
.	nr ft*just \\n[ft*format]%2
.\}
..
.\"---------------
.\" Footnote and display width control $$$
.de WC
.nr ft*i 0 1
.while \\n+[ft*i]<=\\n[.$] \{\
.	ds ft*x \\$[\\n[ft*i]]
.	if '\\*[ft*x]'N' \{\
.		nr ft*wide 0
.		nr ft*first-fn 0
.		nr ds*wide 0
.		nr ds*float-break 1
.	\}
.	if '\\*[ft*x]'-WF' .nr ft*wide 0
.	if '\\*[ft*x]'WF' .nr ft*wide 1
.	if '\\*[ft*x]'-FF' .nr ft*first-fn 0
.	if '\\*[ft*x]'FF' .nr ft*first-fn 1
.	if '\\*[ft*x]'-WD' \{\
.		nr ds*wide 0
.		if r ft*df-save \{\
.			nr Df \\n[ft*df-save]
.			rm ft*df-save 
.		\}
.	\}
.	if '\\*[ft*x]'WD' \{\
.		nr ds*wide 1
.		nr ft*df-save \\n[Df]
.		nr Df 4
.	\}
.	if '\\*[ft*x]'-FB' .nr ds*float-break 0
.	if '\\*[ft*x]'FB' .nr ds*float-break 1
.	if \\n[D]>1 .tm WC WF=\\n[ft*wide] WD=\\n[ds*wide]
.\}
..
.\"-----------------
.\" begin footnote
.\" Change environment, switch to diversion and print the foot-note mark.
.de FS
.if \\n[ft*busy] .@error "FS: missing FE"
.nr ft*busy 1
.ev ft*ev
.ft@init
.if !\\n[ft*wide] .pg@set-po
.di ft*tmp-div
.nr ft*space (u;\\n[Fs]*\\n[Lsp])
.sp \\n[ft*space]u
.\" print mark
.ie \\n[.$] .ds ft*mark \\$1
.el .ds ft*mark \\n[ft*nr].
\\*[ft*mark]
.in +.75c
.sp -1
.nr ft*exist 1
..
.\"-----------------
.\" init footnote diversion
.de ft@init-footnote
.di ft*div
\l'20n'
.br
.di
.nr ft*note-size \\n[dn]
..
.\"-----------------
.\" end footnote
.\" End the diversion, back to previous environment, and adjust
.\" the trap to the new foot-note size.
.de FE
.nr ft*busy 0
.br
.di
'in 0
'nf
.if \\n[@pl]u<\\n[dn]u .@error "FE: too big footnote"
.if !d ft*div .nr dn +1v
.if \\n[D]>3 .tm FE: foot-trap=\\n[pg*foot-trap] .d=\\n[.d] dn=\\n[dn]
.ie (\\n[pg*foot-trap]u-\\n[.d]u)<\\n[dn]u \{\
.	da ft*next-div
.	ft*tmp-div
.	br
.	di
.\}
.el \{\
.	if !d ft*div .ft@init-footnote
.	da ft*div
.	ft*tmp-div
.	di
.	nr ft*note-size +\\n[dn]
.\}
.rm ft*tmp-div
.ev
.pg@move-trap
..
.\"-----------------
.\" print footnotes, see pg@footer
.de ft@print
.ev ft*print-ev
'nf
'in 0
.ll 100i
.ft*div
.br
.ev
.rm ft*div
.nr ft*note-size 0
.pg@move-trap
..
.\"-----------------
.\" check if any pending footnotes, see pg@header
.de ft@check-old
.if d ft*next-div \{\
.	ev ft*ev
.	ft@init
.	ft@init-footnote
.	nf
.	in 0
.	da ft*div
.	ft*next-div
.	di
.	nr ft*note-size +\\n[dn]
.	rm ft*next-div
.	ev
.	nr ft*exist 0
.	pg@move-trap
.\}
..
.\"########### module display ###################
.nr ds*wide 0\"		>0 if wide displays wanted
.nr df*fnr 0 1\"	floating display counter
.nr df*o-fnr 1\"	floating display counter, already printed
.nr ds*snr 0 1\"	static display counter
.nr ds*lvl 0 1\"	display level
.nr ds*float-busy 0\"	>0 if printing float
.nr df*float 0		>0 if previous display was floating
.\"--------------------------------------------
.de DE
.ie \\n[df*float] .df@end \\$@
.el .ds@end \\$@
..
.\"--------------------------------------------
.\" floating display start
.\" nested DF/DE is not allowed.
.de DF
.if \\n[df*float] .@error "DF:nested floating is not allowed. Use DS."
.ds@set-format \\$@
.\"
.nr df*old-ll \\n[.l]
.nr ds*ftmp \\n[.f]
.misc@ev-keep df*ev
.ft \\n[ds*ftmp]
.\"
.init@reset
.di df*div
'in 0
.\"
.ds@set-new-ev \\n[df*old-ll]
.SP \\n[Lsp]u
.nr df*float 1
..
.\"--------------------------------------------
.de df@end
.br
.SP \\n[Lsp]u
.di
.nr df*width!\\n+[df*fnr] \\n[dl]
.nr df*height!\\n[df*fnr] \\n[dn]
.nr df*wide!\\n[df*fnr] \\n[ds*wide]
.nr df*format!\\n[df*fnr] \\n[ds*format]
.ev
.if \\n[D]>2 .tm DF:fnr=\\n[df*fnr] w=\\n[dl] h=\\n[dn] wide=\\n[ds*wide] \
 form=\\n[ds*format]
.\"	move div to the floating display list
.rn df*div df*fdiv!\\n[df*fnr]
.\"
.nr par@ind-flag 0
.\" print float if queue is empty and the display fits into
.\" the current page
.if ((\\n[df*fnr]>=\\n[df*o-fnr])&(\\n[dn]<\\n[.t])) .df@print-float 1
.nr df*float 0
..
.\"-------------
.\" called by end-of-text
.de df@eot-print
.br
.if \\n[df*o-fnr]<=\\n[df*fnr] \{\
.	if \\n[D]>2 .tm Print remaining displays.
.\" still some floats left, make non-empty environment
.	misc@ev-keep ne
.	init@reset
\c
.	df@print-float 3
.	ev
.\}
..
.\"---------------
.\" print according to Df and De.
.\" .df@print-float type
.\"	type	called from
.\"	1	.DE
.\"	2	end of section
.\"	3	end of document
.\"	4	beginning of new page
.\"
.de df@print-float
.if \\n[Df]>5 .@error "Df=\\n[Df], max value is 5"
.if !\\n[ds*float-busy] \{\
.	nr ds*float-busy 1
.\" at .DE
.	if \\n[D]>3 .tm print-float: .t=\\n[.t], h=\\n[df*height!\\n[df*o-fnr]]
.	\" Df = 1 or 5
.	if (\\$1=1)&((\\n[Df]=1):(\\n[Df]=5)) \{\
.		if \\n[.t]>\\n[df*height!\\n[df*o-fnr]] \{\
.			\" Print only new displays.
.			if \\n[df*o-fnr]=\\n[df*fnr] \{\
.				br
.				ds@print-one-float
.			\}
.		\}
.	\}
.	\" Df = 3
.	if (\\$1=1)&(\\n[Df]=3) \{\
.		if \\n[.t]>\\n[df*height!\\n[df*o-fnr]] \{\
.			br
.			ds@print-one-float
.		\}
.	\}
.\" print all if Df<2 and end of section
.	if (\\$1=2)&(\\n[Sectp]>0)&(\\n[Df]<2) \{\
.		br
.		ds@print-all-floats
.	\}
.\" print all if end of document. Where should they go instead?
.	if \\$1=3 \{\
.		br
.		ds@print-all-floats
.\}
.\" new page
.	if (\\$1=4)&(\\n[Df]>1) \{\
.		if \\n[Df]=2 .ds@print-one-float
.		if \\n[Df]=3 .ds@print-one-float
.		if \\n[Df]>3 \{\
.			ie \\n[De] .ds@print-all-floats
.			el .ds@print-this-page
.		\}
.	\}
.	nr ds*float-busy 0
.\}
..
.\"---------------
.\" DF out
.\" print a floating diversion
.de ds@output-float
.nr df*old-ll \\n[.l]
.nr df*old-in \\n[.i]
.ev ds*fev
.nf
.nr df*i \\n[df*o-fnr]
.nr df*f \\n[df*format!\\n[df*i]]
.\"
.in \\n[df*old-in]u
.if \\n[df*f]=1 'in +\\n[Si]n
.if \\n[df*f]>=2 'in 0
.if \\n[df*f]=2 'ce 9999
.if \\n[df*f]=3 'in (u;(\\n[.l]-\\n[df*width!\\n[df*i]])/2)
.if \\n[df*f]=4 'rj 9999
.if \\n[df*f]=5 'in (u;\\n[.l]-\\n[df*width!\\n[df*i]])
.\"
.\"
.df*fdiv!\\n[df*o-fnr]
.\"
.if \\n[df*f]=2 'ce 0
.if \\n[df*f]=4 'rj 0
.ev
.rm df*fdiv!\\n[df*i]
.rm df*height!\\n[df*i]
.rm df*format!\\n[df*i]
.if \\n[df*wide!\\n[df*i]] .nr pg*head-mark \\n[nl]u
.nr df*o-fnr +1
..
.\"---------------
.\" print one floating display if there is one.
.de ds@print-one-float
.if \\n[df*o-fnr]<=\\n[df*fnr] \{\
.	if \\n[D]>3 .tm print-one-float: .t=\\n[.t], h=\\n[df*height!\\n[df*o-fnr]]
.	if \\n[.t]<\\n[df*height!\\n[df*o-fnr]] .pg@next-page
.	ds@output-float
.	if \\n[De] .pg@next-page
.\}
..
.\"---------------
.\" print all queued floats.
.\" if De>0 do a page eject between the floats.
.de ds@print-all-floats
.while \\n[df*o-fnr]<=\\n[df*fnr] \{\
.	if \\n[D]>3 .tm print-all-floats: .t=\\n[.t], h=\\n[df*height!\\n[df*o-fnr]]
.	if \\n[.t]<\\n[df*height!\\n[df*o-fnr]] .pg@next-page
.	br
\c
.	ds@output-float
.	if \\n[De] .pg@next-page
.\}
..
.\"---------------
.\" print as many floats as will fit on the current page
.de ds@print-this-page
.while \\n[df*o-fnr]<=\\n[df*fnr] \{\
.	if \\n[D]>3 .tm print-this-page: .t=\\n[.t], h=\\n[df*height!\\n[df*o-fnr]]
.	if \\n[.t]<\\n[df*height!\\n[df*o-fnr]] .break
.	ds@output-float
.\}
..
.\"---------------------------------------------------
.\" get format of the display
.de ds@set-format
.ie \\n[.$] \{\
.	ie r ds*format!\\$1 .nr ds*format \\n[ds*format!\\$1]
.	el .@error "DS/DF:wrong format:\\$1"
.\}
.el .nr ds*format 0
.if \\n[D]>2 .tm set format=\\n[ds*format]
.\" fill or not to fill, that is the...
.nr ds*fill 0
.ie \\n[.$]>1 \{\
.	ie r ds*fill!\\$2 .nr ds*fill \\n[ds*fill!\\$2]
.	el .@error "\\*[ds*type]:wrong fill:\\$2"
.\}
.if \\n[D]>2 .tm set fill=\\n[ds*fill]
.nr ds*rindent 0
.if \\n[.$]>2 .nr ds*rindent \\$3
.if \\n[D]>2 .tm set indent=\\n[ds*rindent]
..
.\"-----------------------------
.\" .ds@set-new-ev previous-line-length
.de ds@set-new-ev
.ll \\$1u
.lt \\$1u
.if \\n[ds*rindent] \{\
.	ll -\\n[ds*rindent]n
.	lt -\\n[ds*rindent]n
.\}
.if \\n[ds*wide] \{\
.	ll \\n[@ll]u
.	lt \\n[@ll]u
.\}
.\"
.ie \\n[ds*fill] 'fi
.el 'nf
..
.\"--------------------------------------------------------
.nr ds*format 0\"	dummy value for .En/.EQ
.nr ds*format! 0\"	no indent
.nr ds*format!0 0\"	no indent
.nr ds*format!L 0\"	no indent
.nr ds*format!I 1\"	indent
.nr ds*format!1 1\"	indent
.nr ds*format!C 2\"	center each line
.nr ds*format!2 2\"	center each line
.nr ds*format!CB 3\"	center as block
.nr ds*format!3 3\"	center as block
.nr ds*format!R 4\"	right justify each line
.nr ds*format!4 4\"	right justify each line
.nr ds*format!RB 5\"	right justify as block
.nr ds*format!5 5\"	right justify as block
.\"---------------
.nr ds*fill! 0\"	no fill
.nr ds*fill!N 0\"	no fill
.nr ds*fill!0 0\"	no fill
.nr ds*fill!F 1\"	fill on
.nr ds*fill!1 1\"	fill on
.\"--------------------------------------------
.\" static display start
.\" nested DS/DE is allowed. No limit on depth.
.de DS
.br
.nr XXX \\n[nl]
.nr ds*lvl +1
.ds@set-format \\$@
.\"
.nr ds*old-ll \\n[.l]
.nr ds*old-in \\n[.i]
.misc@push ds-ll \\n[.l]
.misc@push ds-form \\n[ds*format]
.nr ds*i \\n[.i]
.nr ds*ftmp \\n[.f]
.misc@ev-keep ds*ev!\\n+[ds*snr]
.ft \\n[ds*ftmp]
.\"
.init@reset
.\" indent in a diversion doesn't seem like a good idea.
'in 0
.di ds*div!\\n[ds*snr]
.\"
.ds@set-new-ev \\n[ds*old-ll]
.nr df*float 0
..
.\"--------------------------------------------
.de ds@end
.if \\n-[ds*lvl]<0 .@error "DE: no corresponding DS"
.br
.di
.\" **********
.nr ds*width \\n[dl]
.nr ds*height \\n[dn]
.misc@pop-nr ds-ll ds*old-ll
.misc@pop-nr ds-form ds*format
.\"
.\" **********
'nf
.\" calculate needed space
.nr ds*need \\n[ds*height]
.nr ds*i \\n[pg*foot-trap]-\\n[pg*header-size]u-\\n[pg*extra-header-size]u
.if (\\n[ds*height]>\\n[ds*i])&(\\n[.t]<(\\n[ds*i]/2)) .nr ds*need \\n[.t]u+1v
.if (\\n[ds*height]<\\n[ds*i])&(\\n[.t]<(\\n[ds*height])) .nr ds*need \\n[.t]u+1v
.\"	Eject page if display will fit one page and
.\"	there are less than half of the page left.
.if \\n[ds*need] .ne \\n[ds*need]u
.\"
.\" check if pending equation label
.eq@check \\n[ds*need]
'in \\n[ds*old-in]u
.if \\n[ds*format]=1 'in \\n[ds*old-in]u+\\n[Si]n
.if \\n[ds*format]>=2 'in 0
.if \\n[ds*format]=2 'ce 9999
.if \\n[ds*format]=3 'in (u;(\\n[.l]-\\n[ds*width])/2)
.if \\n[ds*format]=4 'rj 9999
.if \\n[ds*format]=5 'in (u;\\n[.l]-\\n[ds*width])
.\" **********
.\"
.\"	Print static display
.nr ds*i \\n[Lsp]
.if r Dsp .nr ds*i \\n[Dsp]
.\"
.if \\n[Ds] .sp \\n[ds*i]u
.ds*div!\\n[ds*snr]
.if \\n[Ds] .sp \\n[ds*i]u
.\"
.if \\n[ds*format]=2 'ce 0
.if \\n[ds*format]=4 'rj 0
.rm ds*div!\\n[ds*snr]
.nr ds*snr -1
.nr par@ind-flag 0
.ev
..
.\"########### module list ###################
.\" .LI text-indent mark-indent pad type [mark [LI-space [LB-space] ] ]
.\"
.nr li*tind 0
.nr li*mind 0
.nr li*pad 0
.nr li*type 0
.ds li*mark 0
.nr li*li-spc 0
.nr li*lvl 0 1
.aln :g li*lvl
.nr li*cur-vpos 0
.\"--------------------------
.\"	the major list-begin macro.
.\"	If type == -1 a 'break' will occur.
.de LB
.if \\n[.$]<4 .@error "LB: not enough arguments, min 4"
.misc@push cind \\n[.i]
.misc@push tind \\n[li*tind]
.misc@push mind \\n[li*mind]
.misc@push pad \\n[li*pad]
.misc@push type \\n[li*type]
.misc@push li-spc \\n[li*li-spc]
.ds li*mark-list!\\n[li*lvl] \\*[li*mark]
.nr li*lvl +1
.\"
.nr li*tind (n;0\\$1)\"			text-indent
.nr li*mind (n;0\\$2)\"			mark-indent
.nr li*pad (n;0\\$3)\"			pad
.nr li*type 0\\$4\"			type
.ds li*mark \\$5\"			mark
.ie !'\\$6'' .nr li*li-spc \\$6\"	LI-space
.el .nr li*li-spc 1
.ie !'\\$7'' .nr li*lb-spc \\$7\"	LB-space
.el .nr li*lb-spc 0
.\" init listcounter
.nr li*cnt!\\n[li*lvl] 0 1
.\" assign format
.af li*cnt!\\n[li*lvl] 1
.if \\n[li*type] .if !'\\*[li*mark]'' .af li*cnt!\\n[li*lvl] \\*[li*mark]
.\"
.if \\n[li*lb-spc] .SP (u;\\n[li*lb-spc]*\\n[Lsp])
.in +\\n[li*tind]u
..
.\"---------------
.de LI
.if \\n[li*lvl]<1 .@error "LI:no lists active"
.if \\n[li*li-spc]&(\\n[Ls]>=\\n[li*lvl]) .SP (u;\\n[li*li-spc]*\\n[Lsp])
.ne 2v
.\"
.ds li*c-mark \\*[li*mark]
.nr li*cnt!\\n[li*lvl] +1
.if \\n[li*type]=1 .ds li*c-mark \\n[li*cnt!\\n[li*lvl]].
.if \\n[li*type]=2 .ds li*c-mark \\n[li*cnt!\\n[li*lvl]])
.if \\n[li*type]=3 .ds li*c-mark (\\n[li*cnt!\\n[li*lvl]])
.if \\n[li*type]=4 .ds li*c-mark [\\n[li*cnt!\\n[li*lvl]]]
.if \\n[li*type]=5 .ds li*c-mark <\\n[li*cnt!\\n[li*lvl]]>
.if \\n[li*type]=6 .ds li*c-mark {\\n[li*cnt!\\n[li*lvl]]}
.if \\n[.$]=1 .ds li*c-mark \\$1
.ie \\n[.$]=2 \{\
.	ie (\\$2=2):(\\n[Limsp]=0) .ds li*c-mark \\$1\\*[li*c-mark]
.	el .ds li*c-mark \\$1\ \\*[li*c-mark]
.\}
.\"
.\" determine where the text begins
.nr li*text-begin \\n[li*tind]>?\w@\\*[li*c-mark]\ @
.nr x \w@\\*[li*c-mark]\ @
.\"
.\" determine where the mark begin
.ie !\\n[li*pad] .nr li*in \\n[li*mind]
.el .nr li*in \\n[li*text-begin]-\\n[li*pad]-\w@\\*[li*c-mark]@
.if !\\n[li*in] .nr li*in 0
.\"
.ti -\\n[li*tind]u
.\" no indentation if hanging indent
.if (\w@\\*[li*c…