Listtostring
<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE Rule PUBLIC 'waveset.dtd' 'waveset.dtd'>
<Rule name='listToString' lastMod='405'>
  <RuleArgument name='separator'/>
  <RuleArgument name='input_list'/>
  <block>
    <defvar name='output_string'/>
    <dolist name='list_item'>
      <ref>input_list</ref>
      <set name='output_string'>
        <concat>
          <ref>output_string</ref>
          <ref>list_item</ref>
          <ref>separator</ref>
        </concat>
      </set>
    </dolist>
    <ref>output_string</ref>
  </block>
  <MemberObjectGroups>
    <ObjectRef type='ObjectGroup' id='#ID#Top' name='Top'/>
  </MemberObjectGroups>
</Rule>
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