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

  <stx:template match="node[1]">
    <n>
      <stx:value-of select="string-join(('a', 'b', 'c'), '-')"/>
      <stx:text>:</stx:text>
      <stx:value-of select="string-join((), '-')"/>
      <stx:text>:</stx:text>
      <stx:value-of select="string-join((.,5), '-sep-')"/>
      <stx:text>:</stx:text>
      <stx:value-of select="string-join(('Now', 'is', 'the', 'time'), ' ')"/>
      <stx:text>:</stx:text>
      <stx:value-of select="string-join(('abra', 'cadabra'), '')"/>
    </n>
  </stx:template>

</stx:transform>