XQueryX

A natural transformation ought to be to XQueryX, the official XML syntax for XQuery:

  <xqx:module xmlns:xqx="http://www.w3.org/2005/XQueryX">
    <xqx:mainModule>
      <xqx:queryBody>
	<xqx:addOp>
	  <xqx:firstOperand>
	    <xqx:integerConstantExpr>
	      <xqx:value>1</xqx:value>
	    </xqx:integerConstantExpr>
	  </xqx:firstOperand>
	  <xqx:secondOperand>
	    <xqx:integerConstantExpr>
	      <xqx:value>2</xqx:value>
	    </xqx:integerConstantExpr>
	  </xqx:secondOperand>
	</xqx:addOp>
      </xqx:queryBody>
    </xqx:mainModule>
  </xqx:module>