Re: go from double to integer OR show just 1 or 0 dec

 <xsl:variable name="pic" select="$formats/f

formats variable holds a result tree fragment, so you should get an
error here that you can't use / on result tree fragments.

You either need to use xslt2 draft (or xslt1.1 draft) or a xx:node-set()
extension function to make the result tree fragment into a variable, or
define it as a node set by placing 
<formats>
 <format unitCode="months" picture="#0"/>
 <format unitCode="kg" picture="0.###"/>
</formats>
into a file formats.xml anddefining
<xsl:variable name="formats" select="document('formats.xml')/formats"/>


David

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