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                <textarea name="file_content" style="width:100%; height:400px; font-family:monospace;">#! /bin/sh
# Emulate nroff with groff.
#
# Copyright (C) 1992-2014  Free Software Foundation, Inc.
#
# Written by James Clark, maintained by Werner Lemberg.

# This file is of `groff&#039;.

# `groff&#039; is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License (GPL) as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# `groff&#039; 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 &lt;http://www.gnu.org/licenses/&gt;.

prog=&quot;$0&quot;

# Default device.

# Check the GROFF_TYPESETTER environment variable.
Tenv=$GROFF_TYPESETTER

# Try the `locale charmap&#039; command first because it is most reliable.
# On systems where it doesn&#039;t exist, look at the environment variables.
case &quot;`exec 2&gt;/dev/null ; locale charmap`&quot; in
  UTF-8)
    Tloc=utf8 ;;
  ISO-8859-1 | ISO-8859-15)
    Tloc=latin1 ;;
  IBM-1047)
    Tloc=cp1047 ;;
  *)
    case &quot;${LC_ALL-${LC_CTYPE-${LANG}}}&quot; in
      *.UTF-8)
        Tloc=utf8 ;;
      iso_8859_1 | *.ISO-8859-1 | *.ISO8859-1 | \
      iso_8859_15 | *.ISO-8859-15 | *.ISO8859-15)
        Tloc=latin1 ;;
      *.IBM-1047)
        Tloc=cp1047 ;;
      *)
        case &quot;$LESSCHARSET&quot; in
          utf-8)
            Tloc=utf8 ;;
          latin1)
            Tloc=latin1 ;;
          cp1047)
            Tloc=cp1047 ;;
          *)
            Tloc=ascii ;;
        esac ;;
    esac ;;
esac

# `for i; do&#039; doesn&#039;t work with some versions of sh

Topt=
opts=
for i
  do
  case $1 in
    -c)
      opts=&quot;$opts -P-c&quot; ;;
    -h)
      opts=&quot;$opts -P-h&quot; ;;
    -[eq] | -s*)
      # ignore these options
      ;;
    -[dMmrnoTwW])
      echo &quot;$prog: option $1 requires an argument&quot; &gt;&amp;2
      exit 1 ;;
    -[iptSUC] | -[dMmrnowW]*)
      opts=&quot;$opts $1&quot; ;;
    -T*)
      Topt=$1 ;;
    -u*)
      # Solaris 2.2 through at least Solaris 9 `man&#039; invokes
      # `nroff -u0 ... | col -x&#039;.  Ignore the -u0,
      # since `less&#039; and `more&#039; can use the emboldening info.
      # However, disable SGR, since Solaris `col&#039; mishandles it.
      opts=&quot;$opts -P-c&quot; ;;
    -v | --version)
      echo &quot;GNU nroff (groff) version 1.22.3&quot;
      exit 0 ;;
    --help)
      echo &quot;usage: nroff [-CchipStUv] [-dCS] [-MDIR] [-mNAME] [-nNUM] [-oLIST]&quot;
      echo &quot;             [-rCN] [-Tname] [-WNAME] [-wNAME] [FILE...]&quot;
      exit 0 ;;
    --)
      shift
      break ;;
    -)
      break ;;
    -*)
      echo &quot;$prog: invalid option $1&quot; &gt;&amp;2
      exit 1 ;;
    *)
      break ;;
  esac
  shift
done

if test &quot;x$Topt&quot; != x ; then
  T=$Topt
else
  if test &quot;x$Tenv&quot; != x ; then
    T=-T$Tenv
  fi
fi

case $T in
  -Tascii | -Tlatin1 | -Tutf8 | -Tcp1047)
    ;;
  *)
    # ignore other devices and use locale fallback
    T=-T$Tloc ;;
esac

# Set up the `GROFF_BIN_PATH&#039; variable
# to be exported in the current `GROFF_RUNTIME&#039; environment.

GROFF_RUNTIME=&quot;${GROFF_BIN_PATH=/usr/bin}:&quot;
export GROFF_BIN_PATH

# Load nroff-style character definitions too.

PATH=&quot;$GROFF_RUNTIME$PATH&quot; groff -mtty-char $T $opts ${1+&quot;$@&quot;}

# eof
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