Status of XQuery Update Specification
(Records changes since Last Call Working Draft of 8/28/07)

Updated 2010-05-10


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The following item is pending on 2010-05-10
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* Replace use of keyword "updating" in function declaration
with "updating" | Annotation


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The following post-CR changes have been checked in:
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(1) Update Bug 5699:
Agreed to suggested changes. Variable initializing expressions must
be simple expressions. Decided at telcon 369, 6/3/08.

(2) Update Bug 5629:
Involves changes to semantics of "rename" when the new name has no prefix.
Working group agreed to modify the rule in Section 2.4.4 clause 2b as 
suggested by M.Kay, and also to add the following new rule to Section 3.1.11 
(upd:rename) following rule 1b: "If $newname has no prefix and no namespace URI, 
the namespaces property of $target is modified by removing the binding (if any) 
for the empty prefix."  Decided at telcon 367, 5/20/08.

(3) Update Bug 5632:
Working group agreed to make the changes proposed by M.Kay. Changes errors
XUDY0020 and XUDY0024 to be more closely associated with a specific
expression (may benefit try/catch). Decided at telcon 367, 5/20/08.

(4) Update Bug 5701:
Agreed to suggested changes. Move the subsection on function declarations
from its current location to "Extensions to Prolog". Decided at 
telcon 369, 6/3/08.

(5) Update Bug 5700:
Agreed to suggested changes. Update spec (static typing section)
should add all updating expressions to the list of expressions that
can return nothing without raising a static error. 
Decided at telcon 369, 6/3/08.

(6) Update Bug 5646 (decisions made in telcon 368 and 369, 5/27/08 and 6/3/08):
(a) Is fn:put() an updating expression? Agreed: YES
(b) Does fn:put() operate on its operand node before updates have been
applied, or after? Agreed: After. If somebody wants to invoke put() on a 
pre-updated node, he should make a copy of it.
(c) Should the semantics of fn:put() be to add a primitive to the PUL?
The new primitive operates on a nodeid with implementation-defined
semantics. This will be helpful to try/catch and scripting. Agreed: YES.
Also agreed: It is an error (caught by upd:mergeUpdates) if two 
invocations of fn:put() in the same snapshot operate on the same URI.
(d) Should fn:put() always be a static error because it returns nothing?
Agreed: NO (see also Bug 5700).

(7) Updated the Revision Log.


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The following changes were committed April 27th
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* [UPD] Parent property in transform copy modify
  http://www.w3.org/Bugs/Public/show_bug.cgi?id=6383 

* [UPD] rename and namespace inheritance
  http://lists.w3.org/Archives/Member/w3c-xml-query-wg/2008Jul/0014.html

* [UPD] transform modify clause
  http://www.w3.org/Bugs/Public/show_bug.cgi?id=6221

* [UPD] Deleting a parentless node should be well-defined
  http://www.w3.org/Bugs/Public/show_bug.cgi?id=5702
  Deleting a parentless node is a no-op, and never raises
  an error. Decided 16 Sept 08. 

* [UPD] 2.4.5 Transform: syntax error in example
  http://www.w3.org/Bugs/Public/show_bug.cgi?id=6801

* Conformance now requires support for all functions defined in [XQuery 1.0 and XPath 2.0 	 
  Functions and Operators] except fn:element-with-id()

  Because the version of F&O we refer to does not include this, I added the "except" part
  in a NOTE.

* [UPD] Clarification of upd:insertAttributes
  http://www.w3.org/Bugs/Public/show_bug.cgi?id=5874

* [UPD] setToUntyped() and xml:id
  http://www.w3.org/Bugs/Public/show_bug.cgi?id=6482

* [UPD] upd:replaceNode() and upd:setToUntyped()
  http://www.w3.org/Bugs/Public/show_bug.cgi?id=6483

* Definition of Vacuous Expression
  http://www.w3.org/Bugs/Public/show_bug.cgi?id=5332

* Errors in deleted subtrees
  http://www.w3.org/Bugs/Public/show_bug.cgi?id=6495

* Duplication statement of restriction on variable declaration:
  http://www.w3.org/Bugs/Public/show_bug.cgi?id=6222

* [UPD] rename and namespace inheritance
  http://www.w3.org/Bugs/Public/show_bug.cgi?id=5631

* Hyperlinking to referenced functions:
  http://www.w3.org/Bugs/Public/show_bug.cgi?id=5873



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The following changes are on my work list:
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EDITORIAL:

####### Change log

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The following changes are waiting for something to happen:
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REMEMBER
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REMEMBER: Root file is now xquery-update.xml.
Old file xquery-update-facility.xml is now obsolete (done by Jim).