Subject: Re: [xsl] An issue with XPath 2.0 sequences (Was Re: RE: Muenchian method, and keys 'n stuff) From: David Carlisle <davidc@xxxxxxxxx> Date: Fri, 1 Feb 2002 11:51:29 GMT |
> But I think any set of rules for "null" values leads to > anomalies, yes but if (as in SQL, or a three valued logic system) you have a null value, then you are at least free, when defining the system to specify soome set of rules for null that make sense. But Xpath tries to model null by (). Since almost all occurrences of () don't come from any nul markup in the source (eg xsi:nil) but rather just being the empty result of some query, this is bound to lead to problems. David _____________________________________________________________________ This message has been checked for all known viruses by Star Internet delivered through the MessageLabs Virus Scanning Service. For further information visit http://www.star.net.uk/stats.asp or alternatively call Star Internet for details on the Virus Scanning Service. XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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