Subject: [xsl] Comparing possibly empty string sequences From: Martynas Jusevicius <martynas.jusevicius@xxxxxxxxx> Date: Tue, 23 Mar 2010 15:47:59 +0100 |
Hey list, 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" Any way to handle empty sequences in this situation as well? Could intersect() be a better option here? Thanks, Martynas odt2epub.com
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