Registration of new charset CP50220

Hello,

This is Registration of new charset CP50220.

Following proposal should get a consensus in ietf-charsets,
so I submit this to IANA.

Regards,

---
Charset name: CP50220

Charset aliases: csCP50220

Suitability for use in MIME text:

   Yes, CP50220 is suitable for use with subtypes of the "text" Content-Type.

   Since the "CP50220" is 7bit encoding, Content-Transfer-Encoding is not needed.
   Based64 or Quoted-Printable encoding MAY break this encoding.

Published specification(s):

   CP50220 is consisted by following character sets:

     reg#  character set       ESC sequence  designated to
     ------------------------------------------------------
     6     US-ASCII            ESC ( B       G0
     13    JIS X 0201-Katakana ESC ( I       G0
     14    JIS X 0201-Roman    ESC ( J       G0