<?xml version="1.0" encoding="UTF-8"?>
<model xmlns="http://www.cellml.org/cellml/2.0#"
  xmlns:cellml="http://www.cellml.org/cellml/2.0#" name="tutorial_2_model" id="tutorial 2 id has spaces">
  <units name="i_am_a_units_item"/>
  <component name="i_am_a_component" id="my_component_id">
    <variable units="dimensionless" name="1st" interface="public_and_private"/>
    <variable name="b" interface="public_and_private" />
    <variable units="dimensionless" name="c" initial_value="this_variable_doesnt_exist" interface="public_and_private" />
    <variable units="i_dont_exist" name="d" interface="public_and_private"/>
    <math xmlns="http://www.w3.org/1998/Math/MathML">
      <apply>
        <eq/>
        <ci>a</ci>
        <apply>
          <plus/>
          <ci>b</ci>
          <ci>c</ci>
        </apply>
      </apply>
    </math>
  </component>
</model>
