Subject: RE: [xsl] xsl:sequence From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Mon, 7 Aug 2006 17:43:19 +0100 |
> on the other hand $a is a document structurally identical to > the current document but it is a copy, so it takes time and > memory proportional to the size of the document to build, That would be true in a naive implementation... Saxon builds a virtual copy in cases where a copy of a document or element node is not immediately attached to a new parent or written to a final result tree. The virtual copy is initially cheap to build in time and memory, but takes a little longer than the original to navigate. Michael Kay http://www.saxonica.com/
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