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Subject: Re: Messaging Service spec v0-2 - charsets


Just remember that by definition an XML document consists of
Unicode characters.  The XML spec does indeed allow the use of
encodings that don't know about Unicode, but it sure doesn't
encourage them.

Jon

   From: "Brunner, Eric" <EBrunner@Engage.com>
   Cc: tmcgrath@tedis.com.au, duane <duane@xmlglobal.com>,
      ebXML-Transport@lists.ebxml.org, Jon Bosak <bosak@boethius.eng.sun.com>,
      joebaran@extol.com, ebxml-coord@lists.ebxml.org
   Date: Tue, 19 Sep 2000 11:02:08 -0400
   MIME-Version: 1.0
   X-Mailer: Internet Mail Service (5.5.2650.21)
   Content-Type: text/plain;
	   charset="iso-8859-1"
   Content-Length: 4080

   Chris,

   Thanks for pointing out what I missed. The charset reference in the MS Spec
   does not require utf8, and does not preclude sjis or any other (relatively)
   compact and de facto (if not de jure) local encodings. I'll look at the TPA
   as you recommended, and I hope to find a mechanism for encoding negociation.

   ebcdic and sjis work for me, just as much as ascii and utf8.

   Eric

   -----Original Message-----
   From: Christopher Ferris [mailto:chris.ferris@east.sun.com]
   Sent: Tuesday, September 19, 2000 10:53 AM
   To: Brunner, Eric
   Cc: tmcgrath@tedis.com.au; duane; ebXML-Transport@lists.ebxml.org; Jon
   Bosak; joebaran@extol.com; ebxml-coord@lists.ebxml.org
   Subject: Re: Messaging Service spec v0-2 - charsets


   Eric,

   I don't understand what you mean by "declining to label the encoding".
   If you mean declining to explicitly REQUIRE use of a specific
   character encoding and merely RECOMMENDING that UTF-8 be used,
   the rationale is that two parties MAY agree to some alternate
   encoding and that ebXML should not preclude such practices.

   They do this through the TPA. Please refer to the
   Trading partner team's work for specifics. 

   Cheers,

   Chris

   "Brunner, Eric" wrote:
   > 
   > I must have missed something. I'd like to see the rational for declining
   to
   > label the encoding.
   > 
   > Two parties using SJIS (or Big5 or GB or ...) MAY convay this encoding to
   > each other how?
   > 
   > Two parties using SJIS (or ...) MUST convert their data to utf8 (or
   > iso8859-*) because why?
   > 
   > Cheers,
   > Eric
   > 
   > -----Original Message-----
   > From: Christopher Ferris [mailto:chris.ferris@east.sun.com]
   > Sent: Tuesday, September 19, 2000 10:06 AM
   > To: tmcgrath@tedis.com.au
   > Cc: duane; ebXML-Transport@lists.ebxml.org; Jon Bosak;
   > joebaran@extol.com; ebxml-coord@lists.ebxml.org
   > Subject: Re: Messaging Service spec v0-2 - charsets
   > 
   > The spec wording of the charset has been revised in version
   > 0.21 which is what we plan to publish. That version contains
   > some edits which were omitted (due to time and other constraints)
   > from version 0.2 which you reviewed.
   > 
   > UTF-8 is RECOMMENDED, but not mandated. I don't believe that
   > we can mandate its use. Fujitsu might have some comment on
   > this based upon their experience. Bottom line, the charset
   > used should be pre-agreed (and hence, in the TPA or equivalent)
   > by both parties.
   > 
   > Cheers,
   > 
   > Chris
   > 
   > Tim McGrath wrote:
   > >
   > > as we have concluded our report and suggested the spec now go to public
   > > review, this thread should now be addressed directly to the TRP team.
   > >
   > > i shall forward it to their list.
   > >
   > > duane wrote:
   > >
   > > > Jon:
   > > >
   > > > Yes - you are right.  UTF-8 has been mandated by the Technical
   > > > Architecture group as minimal.
   > > >
   > > > ISO 8859-1 does not represent Kanji characters correctly as far as I
   > > > know.
   > > >
   > > > Duane Nickull
   > > >
   > > > Jon Bosak wrote:
   > > > >
   > > > > [tmcgrath@tedis.com.au:]
   > > > >
   > > > > | * lines 211-215 and then 261-268  (charsets)
   > > > > |
   > > > > | Both claim to be "The charset attribute is used to identify the
   > > > > | character set used to create the message" and yet propose
   > > > > | different values.  i think it means the outer and inner encoding
   > > > > | methods but if so it should not use the same first sentence.
   > > > >
   > > > > The encoding method could use the iso-8859-1 default value of lines
   > > > > 213-215 or UTF-8 as recommended in 264-266.  It seems to me that
   > > > > we should mandate the latter.  Surely UTF-8 is the minimum level
   > > > > of internationalization for anything calling itself an XML tool.
   > > > >
   > > > > Jon
   > >
   > > --
   > > regards
   > > tim mcgrath
   > > TEDIS   fremantle  western australia 6160
   > > phone: +618 93352228  fax: +618 93352142
   > 
   > --
   >     _/_/_/_/ _/    _/ _/    _/ Christopher Ferris - Enterprise Architect
   >    _/       _/    _/ _/_/  _/  Phone: 781-442-3063 or x23063
   >   _/_/_/_/ _/    _/ _/ _/ _/   Email: chris.ferris@East.Sun.COM
   >        _/ _/    _/ _/  _/_/    Sun Microsystems,  Mailstop: UBUR03-313
   > _/_/_/_/  _/_/_/  _/    _/     1 Network Drive Burlington, MA 01803-0903



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