<stx:transform version="1.0" 
  xmlns:stx="http://stx.sourceforge.net/2002/ns"
  strip-space="yes">

  <stx:template match="/root">
    <node>
      <stx:variable name="seq1" select="('a', 'b', 'cde')"/>
      <stx:value-of select="empty($seq1)"/>
      <stx:text>:</stx:text>
      <stx:value-of select="empty(('a', 'b', 'cde'))"/>
      <stx:text>-</stx:text>
      <stx:variable name="seq4" select="()"/>
      <stx:value-of select="empty($seq4)"/>
      <stx:text>:</stx:text>
      <stx:value-of select="empty(())"/>
    </node>
  </stx:template>

</stx:transform>