Transferring xmlns aliases to result tree.

I am having trouble transferring the xml namespace aliases from a source tree to the result tree. Specifically I would like to transfer some aliases that are used only within the value of an attribute.

<element name="someElement" type="impl:someType"/>

I have a mapping at the top of the document for impl, but it's not used anywhere else except the type attribute. Is there a way to force this mapping to appear in the result tree? It does not seem to be transferred. I assume it's because it appears as text. I've tried using <xsl:if test="@type"/> hoping that it would force the value to be evaluated as an xpath expression, but it didn't work. Is there a way to do this?

Thanks.


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