sub char_decode {

    # converts ISO 5426 coded string to ISO 8859-1
    # sloppy code : should be improved in next issue
    my ( $string, $encoding ) = @_;
    $_ = $string;

    # 	$encoding = C4::Context->preference("marcflavour") unless $encoding;
    if ( $encoding eq "UNIMARC" ) {
#         s/\xe1/Æ/gm;
        s/\xe2/Ð/gm;
        s/\xe9/Ø/gm;
        s/\xec/þ/gm;
        s/\xf1/æ/gm;
        s/\xf3/ð/gm;
        s/\xf9/ø/gm;
        s/\xfb/ß/gm;
        s/\xc1\x61/à/gm;
        s/\xc1\x65/è/gm;
        s/\xc1\x69/ì/gm;
        s/\xc1\x6f/ò/gm;
        s/\xc1\x75/ù/gm;
        s/\xc1\x41/À/gm;
        s/\xc1\x45/È/gm;
        s/\xc1\x49/Ì/gm;
        s/\xc1\x4f/Ò/gm;
        s/\xc1\x55/Ù/gm;
        s/\xc2\x41/Á/gm;
        s/\xc2\x45/É/gm;
        s/\xc2\x49/Í/gm;
        s/\xc2\x4f/Ó/gm;
        s/\xc2\x55/Ú/gm;
        s/\xc2\x59/Ý/gm;
        s/\xc2\x61/á/gm;
        s/\xc2\x65/é/gm;
        s/\xc2\x69/í/gm;
        s/\xc2\x6f/ó/gm;
        s/\xc2\x75/ú/gm;
        s/\xc2\x79/ý/gm;
        s/\xc3\x41/Â/gm;
        s/\xc3\x45/Ê/gm;
        s/\xc3\x49/Î/gm;
        s/\xc3\x4f/Ô/gm;
        s/\xc3\x55/Û/gm;
        s/\xc3\x61/â/gm;
        s/\xc3\x65/ê/gm;
        s/\xc3\x69/î/gm;
        s/\xc3\x6f/ô/gm;
        s/\xc3\x75/û/gm;
        s/\xc4\x41/Ã/gm;
        s/\xc4\x4e/Ñ/gm;
        s/\xc4\x4f/Õ/gm;
        s/\xc4\x61/ã/gm;
        s/\xc4\x6e/ñ/gm;
        s/\xc4\x6f/õ/gm;
        s/\xc8\x41/Ä/gm;
        s/\xc8\x45/Ë/gm;
        s/\xc8\x49/Ï/gm;
        s/\xc8\x61/ä/gm;
        s/\xc8\x65/ë/gm;
        s/\xc8\x69/ï/gm;
        s/\xc8\x6F/ö/gm;
        s/\xc8\x75/ü/gm;
        s/\xc8\x76/ÿ/gm;
        s/\xc9\x41/Ä/gm;
        s/\xc9\x45/Ë/gm;
        s/\xc9\x49/Ï/gm;
        s/\xc9\x4f/Ö/gm;
        s/\xc9\x55/Ü/gm;
        s/\xc9\x61/ä/gm;
        s/\xc9\x6f/ö/gm;
        s/\xc9\x75/ü/gm;
        s/\xca\x41/Å/gm;
        s/\xca\x61/å/gm;
        s/\xd0\x43/Ç/gm;
        s/\xd0\x63/ç/gm;

        # this handles non-sorting blocks (if implementation requires this)
        $string = nsb_clean($_);
    }
    elsif ( $encoding eq "USMARC" || $encoding eq "MARC21" ) {
        if (/[\xc1-\xff]/) {
            s/\xe1\x61/à/gm;
            s/\xe1\x65/è/gm;
            s/\xe1\x69/ì/gm;
            s/\xe1\x6f/ò/gm;
            s/\xe1\x75/ù/gm;
            s/\xe1\x41/À/gm;
            s/\xe1\x45/È/gm;
            s/\xe1\x49/Ì/gm;
            s/\xe1\x4f/Ò/gm;
            s/\xe1\x55/Ù/gm;
            s/\xe2\x41/Á/gm;
            s/\xe2\x45/É/gm;
            s/\xe2\x49/Í/gm;
            s/\xe2\x4f/Ó/gm;
            s/\xe2\x55/Ú/gm;
            s/\xe2\x59/Ý/gm;
            s/\xe2\x61/á/gm;
            s/\xe2\x65/é/gm;
            s/\xe2\x69/í/gm;
            s/\xe2\x6f/ó/gm;
            s/\xe2\x75/ú/gm;
            s/\xe2\x79/ý/gm;
            s/\xe3\x41/Â/gm;
            s/\xe3\x45/Ê/gm;
            s/\xe3\x49/Î/gm;
            s/\xe3\x4f/Ô/gm;
            s/\xe3\x55/Û/gm;
            s/\xe3\x61/â/gm;
            s/\xe3\x65/ê/gm;
            s/\xe3\x69/î/gm;
            s/\xe3\x6f/ô/gm;
            s/\xe3\x75/û/gm;
            s/\xe4\x41/Ã/gm;
            s/\xe4\x4e/Ñ/gm;
            s/\xe4\x4f/Õ/gm;
            s/\xe4\x61/ã/gm;
            s/\xe4\x6e/ñ/gm;
            s/\xe4\x6f/õ/gm;
            s/\xe8\x45/Ë/gm;
            s/\xe8\x49/Ï/gm;
            s/\xe8\x65/ë/gm;
            s/\xe8\x69/ï/gm;
            s/\xe8\x76/ÿ/gm;
            s/\xe9\x41/Ä/gm;
            s/\xe9\x4f/Ö/gm;
            s/\xe9\x55/Ü/gm;
            s/\xe9\x61/ä/gm;
            s/\xe9\x6f/ö/gm;
            s/\xe9\x75/ü/gm;
            s/\xea\x41/Å/gm;
            s/\xea\x61/å/gm;

            # this handles non-sorting blocks (if implementation requires this)
            $string = nsb_clean($_);
        }
    }
    return ($string);
}