I do this with:
<xsl:variable name="gearMid">
<xsl:value-of select="round(count(//rec_gear_sec/*) div 2)"/>
</xsl:variable>
Don't do that! Instead, write
<xsl:variable name="gearMid" select="round(count(//rec_gear_sec/*) div 2)"/>
You want a number, not a result tree fragment containing a text node whose
string value is the decimal representation of a number. You also want to
avoid writing three lines of code that give you roughly what you want when
you could write one line that gives you exactly what you want.
Michael Kay
http://www.saxonica.com/
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