int
Tcl_UniCharIsControl(
    int ch)			/* Unicode character to test. */
{
    if (UNICODE_OUT_OF_RANGE(ch)) {
	/* Clear away extension bits, if any */
	ch &= 0x1FFFFF;
	if ((ch == 0xE0001) || ((ch >= 0xE0020) && (ch <= 0xE007F))) {
	return ((ch == 0xE0001) || ((unsigned)(ch - 0xE0020) <= 0x5F));
	    return 1;
	}
	if ((ch >= 0xF0000) && ((ch & 0xFFFF) <= 0xFFFD)) {
	    return 1;
	}
	return 0;
    }
    return ((CONTROL_BITS >> GetCategory(ch)) & 1);
}

/*
 *----------------------------------------------------------------------
 *