On 11/01/2011 20:22, David Lee wrote:
> When is a document node created implicitly ?
>
> If I run the xquery
> 1,"hi",<foo/>
>
> I do NOT get a document node.
>
>
step 7 of
http://www.w3.org/TR/xslt-xquery-serialization/#serdm
so if you use some API that gives direct access to the XD< sequences
there is no implicit parent, but if (as is the specified default for
xslt and not uncommon for xquery) the result is returned using the xml
serialisation then an implict document node is produced.
there is an xsl:document in xslt to generate a document node explicitly
but it is almost never used (and xslt 1 didn't have such a construct at all)
node copying in both xquery and xslt is designed to silently throw away
these document node containers, if you copy a document node into another
document element, it isn't an error you simply get the document nodes
children.
David
