That’s not how the as attribute is supposed to work. It serves as as a
"treat as" assertion, not so much as a filter that drops nodes from a
sequence.
You can filter out unwanted whitespace-only text nodes in at least 3 ways:
1. by declaring xsl:strip-space for certain contexts
2. by defining "empty" templates in ac:image mode that match
text()[not(normalize-space())] in certain contexts
3. or by doing something like this:
<xsl:variable name="prelim" as="item()*">
<xsl:apply-templates mode="ac:image"/>
</xsl:variable>
<xsl:variable name="images"as="element()*" select="$prelim/self::*"/>
Gerrit
On 31.03.2019 21:00, Martynas Jusevičius martynas(_at_)atomgraph(_dot_)com
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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