RE: news

> From:	David Carlisle [SMTP:davidc@xxxxxxxxx]
> Sent:	Monday, February 19, 2001 9:52 AM
> To:	xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:	Re:  news
>> Can anyone please tell me how to test whether a variable has been
defined?
>
>There is no such test. Variables in XSLT have scope based on their
>appearance in the stylesheet not on runtime behaviour, so there would
>be no point to such a test, you always know whetehr the variable is
>defined or not.

What if the variable may, or may not, be defined as a global variable in a
stylesheet which imports or includes the stylesheet you are writing?

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