[wtbob]

I do wish you'd put the XML example next to Lisp, just for laughs:

    <plus>1<times>2 3</times><plus>

Great article, though!

[friendzis]

<expression> <type>PLUS</type> <operands> <expression> <type>TIMES</type> <operands> <operand> <value>1</value> <type>integral</type> </operand> <operand> <value>2</value> <type>integral</type> </operand> <operand> <value>3</value> <type>integral</type> </operand> </operands> </expression> </operands> </expression>

[JoeAltmaier]

   </plus>

[wtbob]

sigh It was morning, and I hadn't yet had my coffee:-)