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✏️ Editing: an-old.tmac

.\" -*- nroff -*-
.\"
.\" an-old.tmac
.\"
.\" Copyright (C) 1989-2014  Free Software Foundation, Inc.
.\"      Written by James Clark (jjc@jclark.com)
.\"
.\" This file is part of groff.
.\"
.\" groff 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 3 of the License, or
.\" (at your option) any later version.
.\"
.\" groff 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 this program. If not, see <http://www.gnu.org/licenses/>.
.\"
.\"  -rcR=1 => Create a single, very long page instead of multiple pages.
.\"            Useful for online display.  Default in nroff mode.
.\"            Desactivate with -rcR=0.
.\"  -rC1 => Number pages continuously, rather than start each at 1.
.\"  -rD1 => Double-sided printing, ie different odd and even page footers.
.\"  -rPnnn => Number first page nnn.
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.\" We must select an integer indentation value for nroff;
.\" see comment in an-do-tag.
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.    ie t .nr IN 7.2n
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.  PD
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.    nr SN 3n \" the indentation of sub-sub-headings relative to sub-headings
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.
.  nr an-no-space-flag 0
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.
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..
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.\" BSD compatibility macros: .AT and .UC
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.  ds an-extra2 "7th Edition\"
.  if "\\$1"3" .ds an-extra2 "7th Edition\"
.  if "\\$1"4" .ds an-extra2 "System III\"
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..
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.  if "\\$1"3" .ds an-extra2 "3rd Berkeley Distribution\"
.  if "\\$1"4" .ds an-extra2 "4th Berkeley Distribution\"
.  if "\\$1"5" .ds an-extra2 "4.2 Berkeley Distribution\"
.  if "\\$1"6" .ds an-extra2 "4.3 Berkeley Distribution\"
.  if "\\$1"7" .ds an-extra2 "4.4 Berkeley Distribution\"
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.  ta T .5i \" This sets tabs every .5 inches
..
.
.de1 PD
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..
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..
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.de1 an-footer
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..
.
.af an-page-letter a
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..
.
.de1 an-end
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..
.
.if \n[cR] .em an-end
.
.de1 SH
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.  DEVTAG-NH \\n[an-level]
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.  if \\n[.$] \&\\$*
..
.
.de1 SS
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.  ti \\n[SN]u
.  it 1 an-trap
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.  ft \\*[HF]
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.  if \\n[.$] \&\\$*
..
.
.de1 B
.  it 1 an-trap
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.  if \\n[.$] \&\\$*
..
.
.de1 I
.  it 1 an-trap
.  ft I
.  if \\n[.$] \,\\$*\/
..
.
.de1 SM
.  it 1 an-trap
.  ps -1
.  if \\n[.$] \&\\$*
..
.
.de1 SB
.  it 1 an-trap
.  ps -1
.  ft B
.  if \\n[.$] \&\\$*
..
.
.de1 TP
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.  it 1 an-trap
.  in 0
.  if !\\n[an-div?] \{\
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.    di an-div
.  \}
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..
.
.de1 an-trap
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.  if \\n[need_col2]>0 .DEVTAG-COL 2
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.  ft R
.  ps \\n[PS]u
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.  if \\n[an-break-flag] \{\
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.  if \\n[an-no-space-flag] \{\
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..
.
.de an-do-tag
.  br
.  di
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.  ll
.  \" We must emit the diversion in a separate environment to
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.  ev an-2
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.  mc
.  nf
.  in \\n[an-margin]u
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..
.
.de1 LP
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.  vs \\n[VS]u
.  ft R
.  in \\n[an-margin]u
.  nr an-prevailing-indent \\n[IN]
.  ns
..
.
.als PP LP
.als P LP
.
.de1 IP
.  ie !\\n[.$] \{\
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.    vs \\n[VS]u
.    ft R
.    sp \\n[PD]u
.    ne (1v + 1u)
.    in (\\n[an-margin]u + \\n[an-prevailing-indent]u)
.    ns
.  \}
.  el \{\
.    ie (\\n[.$] - 1) .TP "\\$2"
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\&\\$1
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..
.
.de1 HP
.  ps \\n[PS]u
.  vs \\n[VS]u
.  ft R
.  sp \\n[PD]u
.  ne (1v + 1u)
.  if \\n[.$] .nr an-prevailing-indent (n;\\$1)
.  in (\\n[an-margin]u + \\n[an-prevailing-indent]u)
.  ti \\n[an-margin]u
.  DEVTAG-COL 1
.  nr need_col2 1
.  ns
..
.
.ds an-empty \" this is referenced to avoid looping on eg .RB ( \\ )
.
.de1 RI
.  if \\n[.$] \{\
.    ds an-result \&\f[R]\\$1\"
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.      shift 2
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.    if \\n[.$] .as an-result \,\f[I]\\$1\"
\\*[an-result]
.    ft R
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..
.
.de1 IR
.  if \\n[.$] \{\
.    ds an-result \&\f[I]\\$1\f[R]\"
.    shift
.    while (\\n[.$] >= 2) \{\
.      as an-result \/\\$1\f[I]\,\\$2\f[R]\"
.      shift 2
.    \}
.    if \\n[.$] .as an-result \/\\$1\"
\\*[an-result]
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..
.
.de1 IB
.  if \\n[.$] \{\
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.      shift 2
.    \}
.    if \\n[.$] .as an-result \/\f[B]\\$1\"
\\*[an-result]
.    ft R
.  \}
..
.
.de1 BI
.  if \\n[.$] \{\
.    ds an-result \&\f[B]\\$1\"
.    shift
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.      as an-result \,\f[I]\\$1\f[B]\/\\$2\\*[an-empty]\"
.      shift 2
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.    if \\n[.$] .as an-result \,\f[I]\\$1\"
\\*[an-result]
.    ft R
.  \}
..
.
.de1 RB
.  ds an-result \&\"
.  while (\\n[.$] >= 2) \{\
.    as an-result \f[R]\\$1\f[B]\\$2\\*[an-empty]\"
.    shift 2
.  \}
.  if \\n[.$] .as an-result \f[R]\\$1\"
\\*[an-result]
.  ft R
..
.
.de1 BR
.  ds an-result \&\"
.  while (\\n[.$] >= 2) \{\
.    as an-result \f[B]\\$1\f[R]\\$2\\*[an-empty]\"
.    shift 2
.  \}
.  if \\n[.$] .as an-result \f[B]\\$1\"
\\*[an-result]
.  ft R
..
.
.de1 RS
.  nr an-saved-margin\\n[an-level] \\n[an-margin]
.  nr an-saved-prevailing-indent\\n[an-level] \\n[an-prevailing-indent]
.  ie \\n[.$] .nr an-margin +(n;\\$1)
.  el         .nr an-margin +\\n[an-prevailing-indent]
.  in \\n[an-margin]u
.  nr an-prevailing-indent \\n[IN]
.  nr an-level +1
..
.
.de1 RE
.  ie \\n[.$] .nr an-level ((;\\$1) <? \\n[an-level])
.  el         .nr an-level -1
.  nr an-level (1 >? \\n[an-level])
.  nr an-margin \\n[an-saved-margin\\n[an-level]]
.  nr an-prevailing-indent \\n[an-saved-prevailing-indent\\n[an-level]]
.  in \\n[an-margin]u
..
.
.\" table support
.
.de1 TS
.  sp \\n[PD]u
.  if \\n[an-html] \{\
.    nr an-TS-ll \\n[.l]
.    ll 1000n
.  \}
.  HTML-IMAGE
..
.
.de1 T&
..
.
.de1 TE
.  HTML-IMAGE-END
.  if \\n[an-html] \
.    ll \\n[an-TS-ll]u
..
.
.\" dummy equation delimiters
.de1 EQ
.  if \\n[an-html] \{\
.    nr an-EQ-ll \\n[.l]
.    ll 1000n
.  \}
.  HTML-IMAGE
..
.de1 EN
.  HTML-IMAGE-END
.  if \\n[an-html] \
.    ll \\n[an-EQ-ll]u
..
.
.de1 R
\c
.  ie \\n[.$] \{\
.    tm `R' is a string (producing the registered sign), not a macro.
.    nop \\$*
.  \}
.  el \{\
.    ie c\[rg] \
.      nop \[rg]\c
.    el \
.      nop (Reg.)\c
.  \}
..
.
.\" these strings must work in compatibility mode also
.
.ds S \s'\\n(PSu'\"
.ie c\[tm] .ds Tm \(tm\"
.el        .ds Tm (TM)\"
.ds lq \(lq\"
.ds rq \(rq\"
.
.if !\n[an-html] \{\
.  if !rHY \{\
.    ie \n[cR] \
.      nr HY 12
.    el \
.      nr HY 14
.  \}
.  hy \n[HY]
.\}
.
.\" For UTF-8, map some characters conservatively for the sake
.\" of easy cut and paste.
.
.if '\*[.T]'utf8' \{\
.  rchar \- - ' `
.
.  char \- \N'45'
.  char  - \N'45'
.  char  ' \N'39'
.  char  ` \N'96'
.\}
.
.\" Load man macro extensions.
.mso an-ext.tmac
.
.\" Load local modifications.
.mso man.local
.
.cp \n[_C]
.
.\" end of an-old.tmac

MR SKB