Martynas Jusevicius wrote:
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:*[(_at_)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"
I think zou get that error message when you use
<xsl:variable name="classes" as="xsd:string+" select="..."/>
and the select expression evaluates to an empty sequence.
You could use
as="xsd:string*"
instead to allow for an empty sequence.
--
Martin Honnen
http://msmvps.com/blogs/martin_honnen/
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