'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
    'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
    'w', 'x', 'y', 'z', '0', '1', '2', '3',
    '4', '5', '6', '7', '8', '9', '+', '/',
    '='
};

/*
 * How to construct the ensembles.
 */

static const EnsembleImplMap binaryMap[] = {
    { "format", BinaryFormatCmd, TclCompileBasicMin1ArgCmd, NULL, NULL, 0 },
    { "scan",   BinaryScanCmd, TclCompileBasicMin2ArgCmd, NULL, NULL, 0 },
    { "encode", NULL, NULL, NULL, NULL, 0 },
    { "decode", NULL, NULL, NULL, NULL, 0 },
    { NULL, NULL, NULL, NULL, NULL, 0 }
};
static const EnsembleImplMap encodeMap[] = {
    { "hex",      BinaryEncodeHex, TclCompileBasic1ArgCmd, NULL, (ClientData)HexDigits, 0 },
    { "uuencode", BinaryEncode64,  NULL, NULL, (ClientData)UueDigits, 0 },
    { "base64",   BinaryEncode64,  NULL, NULL, (ClientData)B64Digits, 0 },
    { NULL, NULL, NULL, NULL, NULL, 0 }
};
static const EnsembleImplMap decodeMap[] = {
    { "hex",      BinaryDecodeHex, TclCompileBasic1Or2ArgCmd, NULL, NULL, 0 },
    { "uuencode", BinaryDecodeUu,  TclCompileBasic1Or2ArgCmd, NULL, NULL, 0 },
    { "base64",   BinaryDecode64,  TclCompileBasic1Or2ArgCmd, NULL, NULL, 0 },
    { NULL, NULL, NULL, NULL, NULL, 0 }
};

/*
 * The following object type represents an array of bytes. An array of bytes
 * is not equivalent to an internationalized string. Conceptually, a string is
 * an array of 16-bit quantities organized as a sequence of properly formed
 * UTF-8 characters, while a ByteArray is an array of 8-bit quantities.
 * Accessor functions are provided to convert a ByteArray to a String or a
 * String to a ByteArray. Two or more consecutive bytes in an array of bytes

 *
 * Side effects:
 *	Creates a new binary command as a mapped ensemble.
 *
 *----------------------------------------------------------------------
 */





















Tcl_Command
TclInitBinaryCmd(
    Tcl_Interp *interp)
{
    Tcl_Command binaryEnsemble;

    binaryEnsemble = TclMakeEnsemble(interp, "binary", binaryMap);

    unsigned char *data, *datastart, *dataend;
    unsigned char *begin, *cursor, c;
    int i, index, value, size, count = 0, cut = 0, strict = 0;
    enum {OPT_STRICT };
    static const char *const optStrings[] = { "-strict", NULL };

    if (objc < 2 || objc > 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "?options? data");
	return TCL_ERROR;
    }
    for (i = 1; i < objc-1; ++i) {
	if (Tcl_GetIndexFromObj(interp, objv[i], optStrings, "option",
		TCL_EXACT, &index) != TCL_OK) {
	    return TCL_ERROR;
	}

    unsigned char *begin, *cursor;
    int i, index, size, count = 0, cut = 0, strict = 0;
    char c;
    enum {OPT_STRICT };
    static const char *const optStrings[] = { "-strict", NULL };

    if (objc < 2 || objc > 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "?options? data");
	return TCL_ERROR;
    }
    for (i = 1; i < objc-1; ++i) {
	if (Tcl_GetIndexFromObj(interp, objv[i], optStrings, "option",
		TCL_EXACT, &index) != TCL_OK) {
	    return TCL_ERROR;
	}

    unsigned char *cursor = NULL;
    int strict = 0;
    int i, index, size, cut = 0, count = 0;
    enum { OPT_STRICT };
    static const char *const optStrings[] = { "-strict", NULL };

    if (objc < 2 || objc > 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "?options? data");
	return TCL_ERROR;
    }
    for (i = 1; i < objc-1; ++i) {
	if (Tcl_GetIndexFromObj(interp, objv[i], optStrings, "option",
		TCL_EXACT, &index) != TCL_OK) {
	    return TCL_ERROR;
	}