Subject: Re: [xsl] Comparing possibly empty string sequences From: "G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx> Date: Tue, 23 Mar 2010 15:51:44 +0100 |
a question somewhat related to my previous one. Say I have $classes, a sequence of classnames (strings), possibly empty.
Now I want to select elements which @class attribute contains any of the classnames from $class: h:*[@class/tokenize(., '\s+') = $break-classes)]
In other words, select elements where tokenized @class intersects with $class.
It works fine unless $classes is an empty sequence, in which case I get an error: "XTTE0570: An empty sequence is not allowed as the value of variable $classes"
-- XSLT/XQuery training: San Carlos, California 2010-04-26/30 Principles of XSLT for XQuery Writers: San Francisco,CA 2010-05-03 XSLT/XQuery training: Ottawa, Canada 2010-05-10/14 XSLT/XQuery/UBL/Code List training: Trondheim,Norway 2010-06-02/11 Vote for your XML training: http://www.CraneSoftwrights.com/s/i/ Crane Softwrights Ltd. http://www.CraneSoftwrights.com/s/ G. Ken Holman mailto:gkholman@xxxxxxxxxxxxxxxxxxxx Male Cancer Awareness Nov'07 http://www.CraneSoftwrights.com/s/bc Legal business disclaimers: http://www.CraneSoftwrights.com/legal
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