<?xml version="1.0"?>
<form>
    <label name="expression_column"/>
    <field name="expression_column"/>
    <newline/>
    <group id="expression" colspan="4" col="3">
        <label name="expression"/>
        <field name="expression" xexpand="1"/>
        <image name="expression_icon" xexpand="0" size="30"/>
    </group>
    <field name="variables" colspan="4"/>
    <label name="result"/>
    <field name="result"/>
</form>
