[Mono-bugs] [Bug 560946] Moving an XmlAttribute from one XmlElement to another throws System.ArgumentException: This attribute is already set to another element.

[bugzilla_noreply at novell.com]

http://bugzilla.novell.com/show_bug.cgi?id=560946

http://bugzilla.novell.com/show_bug.cgi?id=560946#c5


Atsushi Enomoto <aenomoto at novell.com> changed:

           What    |Removed                     |Added
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             Status|REOPENED                    |RESOLVED
         Resolution|                            |INVALID

--- Comment #5 from Atsushi Enomoto <aenomoto at novell.com> 2009-12-11 08:05:39 UTC ---
This is *the* correct, standard conformant behavior as explicitly documented at
"setNamedItem" section in
http://www.w3.org/TR/DOM-Level-2-Core/core.html#ID-1780488922

<quote>INUSE_ATTRIBUTE_ERR: Raised if arg is an Attr that is already an
attribute of another Element object. The DOM user must explicitly clone Attr
nodes to re-use them in other elements.</quote>

XmlAttributeCollection.Add(), mentioned here, is just a wrapper for
XmlNamedNodeMap.SetNamedItem().

You should report Microsoft to fix their bug instead.

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