Can you please suggest a suitable 1.0 solution ? I'll
  be obliged ..

Just do the natural template, that looks like a fragment of your
requested result. No need to do anything complicated.


<xsl:template match="h">
  <h xmlns:temp="http://whatever" >
    <xsl:apply-templates select="node() | @*" />
  </h>
</xsl:template>

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