> 
>  In creating an XSL, I have this problem: I have an
>  XML file that may or may not contain a certain
>  element. If it exists then a child element will
>  reference it, otherwise the child must refernce
>  another element. I'm not sure how to specify
>  
>  If optional element exists then Child element
>  references optional element  Else child element
>  references other required element
>  

Are you describing the input to your transformation, or the output, or
both?

An example would help - for example, are these elements siblings of one
another?

Michael Kay
Software AG
home: Michael.H.Kay@xxxxxxxxxxxx
work: Michael.Kay@xxxxxxxxxxxxxx 


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