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<bugzilla version="5.0.4"
          urlbase="https://www.w3.org/Bugs/Public/"
          
          maintainer="sysbot+bugzilla@w3.org"
>

    <bug>
          <bug_id>1836</bug_id>
          
          <creation_ts>2005-08-09 14:04:21 +0000</creation_ts>
          <short_desc>RQ-100 define canonical form for language type, update RFC reference</short_desc>
          <delta_ts>2008-03-05 13:43:24 +0000</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>XML Schema</product>
          <component>Datatypes: XSD Part 2</component>
          <version>1.1 only</version>
          <rep_platform>PC</rep_platform>
          <op_sys>Linux</op_sys>
          <bug_status>CLOSED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc>http://www.w3.org/XML/Group/2002/07/xmlschema-1.1-current-reqs-list.html#canon-language</bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="C. M. Sperberg-McQueen">cmsmcq</reporter>
          <assigned_to name="C. M. Sperberg-McQueen">cmsmcq</assigned_to>
          
          
          <qa_contact name="XML Schema comments list">www-xml-schema-comments</qa_contact>

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>5382</commentid>
    <comment_count>0</comment_count>
    <who name="C. M. Sperberg-McQueen">cmsmcq</who>
    <bug_when>2005-08-09 14:04:21 +0000</bug_when>
    <thetext>(Opportunistic desideratum)

(1) We need a canonical form for the language datatype. Both upper and 
lower case variants are permitted by our type, but the relevant
RFC says they should be treated the same.  If we don&apos;t provide for
case mapping, we should at least have a health warning.

Further consideration shows other problems that need solution:

(2) Which RFC should be referred to?

(3) Should all the provisions of the RFC be enforced?  None? Some?

(4) What should happen when the RFC is replaced by a newer 
one on the same topic?  Should XML Schema processors be
automatically rendered non-conforming if they don&apos;t support it?
Should they be automatically non-conforming if they do
support the new RFC? Should implementors have a choice?
Users?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>5391</commentid>
    <comment_count>1</comment_count>
    <who name="C. M. Sperberg-McQueen">cmsmcq</who>
    <bug_when>2005-08-10 18:22:15 +0000</bug_when>
    <thetext>The WG discussed this topic in our face to face meeting yesterday afternoon
and this morning, with the following results:  we agreed

- to make a regex equivalent to that in RFC 3066 the normative
definition of the lexical space (and thus of the value space,
since they are 1:1) for language

- NOT to include RFC 3066&apos;s rules about ISO / IANA registration
as part of schema validity for this type

- to make our reference to 3066 informative, not normative

- to make our reference to 3066 and its successors (not a
rigid reference to 3066 alone)

- to note explicitly that the other rules of 3066 (other than the
regex) do not constrain schema-validity, but NOT actively to
encourage schema processors to check them

The editors will revise the proposal and get it back to the WG.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>5865</commentid>
    <comment_count>2</comment_count>
    <who name="C. M. Sperberg-McQueen">cmsmcq</who>
    <bug_when>2005-09-07 21:48:16 +0000</bug_when>
    <thetext>A proposal revising the presentation of language in XML Schema 1.1
was adopted by the Working Group at its meeting of 26 August.

A note warning that no case folding occurs (so the canonical
form is the same as the input lexical form) was added, as
well as a note warning that only some of the constraints
imposed by RFC 3066 are enforced as part of datatype
validity.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>19291</commentid>
    <comment_count>3</comment_count>
    <who name="Dave Peterson">davep</who>
    <bug_when>2008-03-05 13:43:24 +0000</bug_when>
    <thetext>Although no formal request for closure was made, since the reporter also noted the resolution of this bug over two years ago, I&apos;m marking it closed.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>