how to use variable as condition in xquery

[Michael Kay]

> the fn:data($strDim) in your code will always be casted to 
> true because $strDim is a non-empty string which is 
> implicitly converted into a boolean.

I don't think that's true. I think $strDim is a boolean.

Regards,

Michael Kay
http://www.saxonica.com/
http://twitter.com/michaelhkay