public void
addAlias(int val, String str) {
	check(val);
	Integer value = toInteger(val);
	str = sanitize(str);
	strings.put(str, value);
}
Defines an additional text representation of a numeric value.  This will
be used by getValue(), but not getText().
@param val The numeric value
@param string The text string
src/main/java/core/org/xbill/DNS/Mnemonic.java