Let's make sure that "eval" (or similar) is included in the
next XSLT
revision.
This would be useful indeed. Maybe a good way to improve
our chances to see it in a further revision is to write a
formal specification and implement it in several processors.
You are more than welcome to join EXPath
<http://www.expath.org/> and propose something.
The key point, I think, is to define it precisely regarding
the static and dynamic contexts.
We're working on a specification for XSLT 2.1. The key insight was that you
can give much more control over the static and dynamic context if you make
it an instruction rather than a function; for example you can use child
<with-param> elements to bind variables referenced in the dynamic
expression.
Regards,
Michael Kay
http://www.saxonica.com/
http://twitter.com/michaelhkay
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