# special hack to display Japanese and Czech man pages correctly in UTF-8 locale:

ICONV="cat"

case "`locale charmap 2>/dev/null`" in

    UTF-8)

    case "${LANGUAGE-${LC_ALL-${LC_MESSAGES-${LANG}}}}" in

        ja*)

        # Japanese man page in UTF-8 locale, special case!

        # force the device 'nippon' to run groff in ja_JP.eucJP locale

        # and convert the result to UTF-8 using iconv:

        T=-Tnippon

        export LC_ALL=ja_JP.eucJP

        ICONV="iconv -f EUC-JP -t UTF-8"

        ;;

        cs*|hu*|hr*|pl*)

        # Czech, Hungarian, ... in UTF-8 seem to need special treatment as well:

        T=-Tascii8

        export LC_ALL=cs_CZ.ISO-8859-2

        ICONV="iconv -f ISO-8859-2 -t UTF-8"

        ;;

        ru_RU*)

        # Russian man page sources are in KOI8-R

        T=-Tascii8

        export LC_ALL=ru_RU.KOI8-R

        ICONV="iconv -f KOI8-R -t UTF-8"

        ;;

        # make 'man iso-8859-15' display correctly in UTF-8 locales using Euro

        ca_ES*|de_AT*|de_BE*|de_DE*|de_LU*|en_BE*|en_IE*|es_ES*|eu_ES*|fi_FI*|fr_BE*|fr_FR*|fr_LU*|ga_IE*|gl_ES*|it_IT*|nl_BE*|nl_NL*|pt_PT*|sv_FI*|wa_BE*)

        T=-Tascii8

        export LC_ALL=de_DE@euro

        ICONV="iconv -f ISO-8859-15 -t UTF-8"

        ;;

    esac

    ;;

esac

guess_legacy_encoding () {

    # Guess the legacy encoding used by the language/country

    # found in the current LC_CTYPE value.

    # First determine the LC_CTYPE locale category setting

    ctype=${LC_ALL-${LC_CTYPE-${LANG-en_US}}}

    case $ctype in

	  zh_TW*)

             LEGACY_ENCODING=Big5

	     ;;

  	  zh_HK*)

             LEGACY_ENCODING=Big5HKSCS

	     ;;

	  zh*)

             LEGACY_ENCODING=GB2312

	     ;;

	  ja*)

             LEGACY_ENCODING=EUC-JP

	     ;;

	  ko*)

             LEGACY_ENCODING=EUC-KR

	     ;;

	  ru*)

             LEGACY_ENCODING=KOI8-R

	     ;;

	  uk*)

             LEGACY_ENCODING=KOI8-U

	     ;;

	  pl*|hr*|hu*|cs*|sk*|sl*)

             LEGACY_ENCODING=ISO-8859-2

	     ;;

	  eo*|mt*)

             LEGACY_ENCODING=ISO-8859-3

	     ;;

	  el*)

             LEGACY_ENCODING=ISO-8859-7

	     ;;

	  he*)

             LEGACY_ENCODING=ISO-8859-8

	     ;;

	  tr*)

             LEGACY_ENCODING=ISO-8859-9

	     ;;

	  th*)

             LEGACY_ENCODING=TIS-620      # or ISO-8859-11

	     ;;

	  lt*)

             LEGACY_ENCODING=ISO-8859-13

	     ;;

	  cy*)

             LEGACY_ENCODING=ISO-8859-14

	     ;;

	  ro*)

             LEGACY_ENCODING=ISO-8859-14  # or ISO-8859-16

	     ;;

	  am*|vi*)

             LEGACY_ENCODING=UTF-8

	     ;;

          *)

             LEGACY_ENCODING=ISO-8859-1

             ;;

    esac

}

guess_legacy_encoding;

TMPDIR=`mktemp -d /tmp/nroff.XXXXXX`

if [ $? -ne 0 ]; then

        echo "$0: Can't create temp directory, exiting..."

        exit 1

fi

trap "exec rm -rf $TMPDIR" EXIT SIGHUP SIGINT SIGPIPE SIGTERM SIGIO

cat > $TMPDIR/standard_input

iconv -s -c -f utf-8 -t utf-8 < $TMPDIR/standard_input > /dev/null

if [ $? -eq 0 ]; then

    iconv -s -c -f utf8 -t $LEGACY_ENCODING < $TMPDIR/standard_input > $TMPDIR/standard_input.new

    mv $TMPDIR/standard_input.new $TMPDIR/standard_input

fi