Re: XSLT 2.0 processor signalling error, for type erro

> Does XSLT 2.0 spec define compilation and runtime phases for XSLT?

essentially yes, although as Michael commented the distinction in
XSLT/XQuery/Xpath is often static/dynamic rather than compile/run
but it comes to the same thing, more or less.

the use-when feature is an explictly static (compile time) feature.

the other main thing (as in this thread) is error reporting where you see

http://www.w3.org/TR/xslt20/#dt-static-error
[Definition: An error that is detected by examining a stylesheet  before
execution starts 

http://www.w3.org/TR/xslt20/#dt-dynamic-error
[Definition: An error that is not detected until a source document is
being transformed 


David

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