- From: Alex Milowski <alex@milowski.org>
- Date: Thu, 09 Nov 2006 07:37:02 -0800
- To: public-xml-processing-model-wg@w3.org
Norman Walsh wrote: > / Alex Milowski <alex@milowski.org> was heard to say: > | I'm not certain we have a good way to do this because a viewport > | always requires an output for the replacement. > | > | Any ideas how we might solve this? > > With an p:empty component that takes no inputs and returns an empty > document sequence? I thought about that... but we don't say how empty sequences are handled. I suppose we could say that a viewport's replacement must either be a singleton sequence or an empty sequence. An empty sequence has the effect of deleting the matching subtree. --Alex Milowski
Received on Thursday, 9 November 2006 15:54:38 UTC