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RE: [xsl] Scope of uniqueness of generate-id()
Subject: RE: [xsl] Scope of uniqueness of generate-id() From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Thu, 20 Nov 2008 17:05:41 -0000 |
> Until today I was thinking that xslt functions have no side > effects (provided extensions are not considered). > It has turned out that this is not correct. > That changes the picture (at least for me). > Many possible optimizations are not safe. Yes, you will find this discussed in the XQuery formal semantics, I believe. It's a very limited kind of side-effect - but it does have to be taken into account by an optimizer. Michael Kay http://www.saxonica.com/
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