[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Required item type of value of variable $images is
If the template that's invoked returns text nodes, then the type check as="element()*" is going to fail. (The function conversion rules are invoked, but removal of whitespace text nodes isn't a conversion that ever happens). If you want to filter out whitespace text nodes, you'll have to do it explicitly. Michael Kay Saxonica > On 31 Mar 2019, at 20:00, Martynas JuseviD ius martynas@xxxxxxxxxxxxx <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hi, > > I have a simple snippet like this > > <xsl:variable name="images" as="element()*"> > <xsl:apply-templates mode="ac:image"/> > </xsl:variable> > > Sometimes the ac:image templates will return an <img> element, > sometimes nothing. > > In the case where there are no elements in the variable, I get an error > > Required item type of value of variable $images is element(); > supplied value has item type text() > > When I output the text, it's just whitespace. > > The element() cardinality is *, so why can't the processor just > suppress the whitespace and treat the variable content as zero > elements? > > The processor is Saxon-CE BTW. > > Martynas > atomgraph.com
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