2 is our "official" name, and 3 is alias). If there's no objection, I
will change them.

ASCII		SQL_ASCII
UTF-8		UNICODE		UTF_8
MULE-INTERNAL	MULE_INTERNAL
ISO-8859-1	LATIN1		ISO_8859_1
ISO-8859-2	LATIN2		ISO_8859_2
ISO-8859-3	LATIN3		ISO_8859_3
ISO-8859-4	LATIN4		ISO_8859_4
ISO-8859-5	ISO_8859_5
ISO-8859-6	ISO_8859_6
ISO-8859-7	ISO_8859_7
ISO-8859-8	ISO_8859_8
ISO-8859-9	LATIN5		ISO_8859_9
ISO-8859-10	LATIN6		ISO_8859_10
ISO-8859-13	LATIN7		ISO_8859_13
ISO-8859-14	LATIN8		ISO_8859_14
ISO-8859-15	LATIN9		ISO_8859_15
ISO-8859-16	LATIN10		ISO_8859_16