[Xsltforms-support] control of namespaces in submissions

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Hello xsltforms-support

Question: how to control namespace exposure when submitting an
instance, so that the instance arriving at the sumbission endpoint
reflects exactly the original instance as in the xform ?

Considering this snippet from a xform:

<html xmlns="http://www.w3.org/1999/xhtml" 
	xmlns:my="http://thisdefaultnamespace" 
	xmlns:another="http://anothernamespace" 
	xmlns:xf="http://www.w3.org/2002/xforms" 
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
	xmlns:ev="http://www.w3.org/2001/xml-events" 
	xmlns:xs="http://www.w3.org/2001/XMLSchema" 
	my:dummy="whyisthisneeded">
.
.
.
<xf:instance id="thisinstance">
	<root xmlns="http://thisdefaultnamespace" 
			xmlns:another="http://anothernamespace"
			xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
			xsi:type="aRootType">
		<child1/>
		<child2/>
		<section xsi:type="aSectionType">
			<another:child1 />
			<another:child2 />
		</section>
	</root>
</xf:instance>
<xf:submission id="submitinstance" method="post" replace="all"
	resource="echoitback.script"/>
.
.
.
</html>

It would seem that the instance above is a well-formed and valid
document (correct in its namespaces and their exposure etc) when
checked in an accurate xml editor program (xmlspy & editix).

It seems that the instance document arriving at the specified
destination [submission] resource, has 'xmlns' attributes included
throughout the document in relation to xmlns:another and xmlns:xsi
namespace - e.g. :

	<root xmlns="http://thisdefaultnamespace" 
			xmlns:another="http://anothernamespace"
			xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
			xsi:type="aRootType">
		<child1/>
		<child2/>
		<section xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="aSectionType">
			<another:child1 xmlns:another="http://anothernamespace" />
			<another:child2 xmlns:another="http://anothernamespace"/>
		</section>
	</root>

These added namespace attributes are not required, therefore how is
namespace exposure controlled to prevent this and indeed, is this
too complicated for current xforms I wonder.

Thank you for any comments, observations, corrections and so forth ?

Regards
Habs