Subject: RE: Efficient Stylesheets for reordering From: Kay Michael <Michael.Kay@xxxxxxx> Date: Fri, 10 Nov 2000 13:24:26 -0000 |
Jose Alberto Fernandez wrote: > > I would like to have some discussion, at the semantic > level, on identifying > a subset of the XSLT language that can be process using a DFS approach. > Can a useful subset of the language be identified. > Early version of Saxon attempted to do this, but I eventually came to the conclusion that it wasn't feasible within the XSLT processing model, and needed effectively to be a different language. The reason is that if you only get the chance to see each node of the input once, you need to be able to remember what you've seen, so you need a capability for updatable working storage. This isn't needed in XSLT's processing model, where the output is described as a function of the input. Mike Kay XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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