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- From: Elliotte Rusty Harold <elharo@metalab.unc.edu>
- To: "Unicode List" <unicode@unicode.org>
- Date: Tue, 25 Apr 2000 13:24:25 -0400
At 3:10 AM -0800 4/25/00, Michael Everson wrote:
>
>The RA-JAC agreed a mechanism to ensure that there will be no overlap of
>2-letter and 3-letter codes. It is a cutoff date and precedence rule; I'm
>not sure if it's been cast in resolutionese yet or not. It's dependent on
>the finalization of the revision of 639-1.
Has anybody noticed that XML 1.0 requires 2-letter and forbids
three-letter language codes? From section 2.1.2 of the XML 1.0 spec:
The Langcode may be any of the following:
a two-letter language code as defined by [ISO 639], "Codes for the
representation of names
a language identifier registered with the Internet Assigned
Numbers Authority [IANA]; these begin with the prefix "i-" (or "I-")
a language identifier assigned by the user, or agreed on between parties
in private use; these must begin with the prefix "x-" or "X-" in
order to ensure that they do not conflict with names later
standardized or registered with IANA
Production 35 enforces this constraint.
I think XML needs another erratum here to fix this.
+-----------------------+------------------------+-------------------+
| Elliotte Rusty Harold | elharo@metalab.unc.edu | Writer/Programmer |
+-----------------------+------------------------+-------------------+
| The XML Bible (IDG Books, 1999) |
| http://metalab.unc.edu/xml/books/bible/ |
| http://www.amazon.com/exec/obidos/ISBN=0764532367/cafeaulaitA/ |
+----------------------------------+---------------------------------+
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