.\" an-old.tmac
.\"
.\" Copyright (C) 1989-2018 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.  Deactivate 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.
.\"  -rSxx => Use size 'xx'pt (either 10, 11, or 12) for document rather
.\"           than the default size of 10pt.
.\"  -rXnnn => Number pages after nnn as nnna, nnnb, nnnc, ...
.\"
.\" The file man.local is loaded at the end.  Put local additions there.
.\" If you need to add things to TH, use '.am1 TH'.
.\"
.
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.
.do if d RI .nx
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.do mso devtag.tmac
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.nr _C \n(.C
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.\" Define a string for use in diagnostic messages.
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.\" We must use consecutive page numbers when using PostScript to
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.
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.
.\" We redefine .ne to avoid page breaks if cR is set; instead, the page
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.\"
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..
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.
.\" .TH title section extra1 extra2 extra3
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.  ps \\n[PS]u
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.
.\" We must select an integer indentation value for nroff;
.\" see comment in an-do-tag.
.  if !r IN \{\
.    ie t .nr IN 7.2n
.    el   .nr IN 7n
.  \}
.  PD
.  if !r SN \
.    nr SN 3n \" indentation of sub-sub-headings relative to sub-heads
.  set-an-margin
.  nr an-tag-sep 1n
.
.  nr an-no-space-flag 0
.  nr an-break-flag 0
.  nr an-div? 0
.
.  ie \\n[cR] \
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.
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..
.
.\" BSD compatibility macros: .AT and .UC
.
.de1 AT
.  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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.  ds an-extra2 "3rd Berkeley Distribution\"
.  if "\\$1"3" .ds an-extra2 "3rd Berkeley Distribution\"
.  if "\\$1"4" .ds an-extra2 "4th Berkeley Distribution\"
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.  if "\\$1"7" .ds an-extra2 "4.4 Berkeley Distribution\"
..
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..
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.de1 PD
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.\" Redefine these to customize the header & footer
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..
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.de1 BT
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.  ns
..
.
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'  bp
..
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..
.
.de1 an-end
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..
.
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.de1 SH
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..
.
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.  if \\n[.$] \&\\$*
..
.
.de1 B
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.  if \\n[.$] \&\\$*
..
.
.de1 I
.  itc 1 an-trap
.  ft I
.  if \\n[.$] \,\\$*\/
..
.
.de1 SM
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.  ps -1
.  if \\n[.$] \&\\$*
..
.
.de1 SB
.  itc 1 an-trap
.  ps -1
.  ft B
.  if \\n[.$] \&\\$*
..
.
.de1 TP
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..
.
.de1 an-trap
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.  ft R
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.  if \\n[an-no-space-flag] \{\
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.  if \\n[an-div?] .an-do-tag
..
.
.de an-do-tag
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.  ll
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.  nf
.  in \\n[an-margin]u
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..
.
.de1 LP
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.  ps \\n[PS]u
.  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[.$] \{\
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.    vs \\n[VS]u
.    ft R
.    sp \\n[PD]u
.    ne (1v + 1u)
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.  \}
.  el \{\
.    ie (\\n[.$] - 1) .TP "\\$2"
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\&\\$1
.  \}
..
.
.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, e.g., .RB ( \\ )
.
.de1 RI
.  if \\n[.$] \{\
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.    if \\n[.$] .as an-result \,\f[I]\\$1\"
\\*[an-result]
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..
.
.de1 IR
.  if \\n[.$] \{\
.    ds an-result \&\f[I]\,\\$1\f[R]\"
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.      shift 2
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.    if \\n[.$] .as an-result \/\\$1\"
\\*[an-result]
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..
.
.de1 IB
.  if \\n[.$] \{\
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.    if \\n[.$] .as an-result \/\f[B]\\$1\"
\\*[an-result]
.    ft R
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..
.
.de1 BI
.  if \\n[.$] \{\
.    ds an-result \&\f[B]\\$1\"
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.      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[.$] >= 2) \{\
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.  if \\n[.$] .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[.$] \{\
.    tmc \\*[an-old]: \\n[.F]: line \\n[.c]: 'R' is a string
.    tm1 " (producing the registered sign), not a macro.
.    nop \\$*
.  \}
.  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 4
.    el \
.      nr HY 6
.  \}
.  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]
.
.\" ====================================================================
.\" Editor settings
.\" ====================================================================
.
.\" Local Variables:
.\" mode: nroff
.\" fill-column: 72
.\" End:
.\" vim: set filetype=groff textwidth=72: