windows-1258 - I have more code page updates to ask for review:

[Shawn Steele <Shawn.Steele@microsoft.com>]

I have more code pages to ask for review, here's windows-1258

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Charset name: windows-1258

Charset aliases: (None)

Suitability for use in MIME text:

  Yes, windows-1258 is suitable for use with subtypes of the "text"
  Content-Type. Note that windows-1258 is an 8-bit charset. Care should
  be taken to choose an appropriate Content-Transfer-Encoding.

Published specification(s):

  1) http://www.microsoft.com/globaldev/reference/sbcs/1258.htm

ISO 10646 equivalency table:

  http://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1258.TXT

Additional information:

  UTF-8 is preferred to windows-1258 when permissible.  Unicode data
  in Vietnamese will NOT always round trip through windows 1258.

  Although not authoritative, the following references may also be of
  interest:

  Printed mapping table:
  Dr. International "Developing International Software, Second Edition",
  Microsoft Press, ISBN 0-7356-1583-7, 2003, p. 783-787

  Microsoft windows extended "best fit" behavior:
  This is an update of an existing registration of this charset. This
  charset name is in use.

  This charset is also known as Windows Code Page 1258 or cp1258 for
  short; these are NOT aliases.

Person & email address to contact for further information:

  Shawn Steele
  Email: Shawn.Steele@microsoft.com

  Microsoft Corporation
  One Microsoft Way,
  Redmond, WA 98052
  U.S.A.

Intended usage: COMMON