Subject: Re: [xsl] Testing if variable exists From: David Carlisle <davidc@xxxxxxxxx> Date: Wed, 22 May 2002 17:34:45 +0100 |
> How anyone know if there is a way to test to see if a variable of a > particular name exists You should never need to do this: You can tell whether or not a variable is in scope by looking at the stylesheet, it never depends on runtime behaviour. So either the variable is in scope, in which case it has a value, or it isn't in scope in which case you can't test for it. David _____________________________________________________________________ This message has been checked for all known viruses by Star Internet delivered through the MessageLabs Virus Scanning Service. For further information visit http://www.star.net.uk/stats.asp or alternatively call Star Internet for details on the Virus Scanning Service. XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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